diff --git a/.DS_Store b/.DS_Store deleted file mode 100644 index 70c11f580..000000000 Binary files a/.DS_Store and /dev/null differ diff --git a/404.html b/404.html index 6cf1f8b76..f798ebd77 100644 --- a/404.html +++ b/404.html @@ -1 +1 @@ - ColorAide Documentation

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Acknowledgments

All projects gain help and inspiration from somewhere, and we wanted to document the places in which we we gathered knowledge, ideas, and help.

Projects

Color.js

When we began writing ColorAide, we wanted a simple interface to deal with different colors. We also wanted to support CSS colors which a lot of people are familiar with. We had a number of questions about the CSS spec and stumbled on Color.js, a JavaScript library developed and maintained by the co-authors of the CSS spec. We found Color.js and its authors helped clarify a number of confusing points. Additionally, their library did end up heavily inspiring many aspects of our own API as its approach very much aligned with the direction we had already started down.

Culori

The Culori library helped inspire the use of cubic splines as interpolation methods.

References

When researching color vision deficiencies, aside from the usual scientific papers, a couple of sites were found to be quite helpful.

  • daltonlens.org was particularly helpful. As it comes from the perspective of an actual Protan, it provided reviews on various algorithm's and explained in great depth some approaches and why they were preferred over others.
  • ixora.io was another useful site that went into great details specifically about the Viénot approach.

Acknowledgments

All projects gain help and inspiration from somewhere, and we wanted to document the places in which we we gathered knowledge, ideas, and help.

Projects

Color.js

When we began writing ColorAide, we wanted a simple interface to deal with different colors. We also wanted to support CSS colors which a lot of people are familiar with. We had a number of questions about the CSS spec and stumbled on Color.js, a JavaScript library developed and maintained by the co-authors of the CSS spec. We found Color.js and its authors helped clarify a number of confusing points. Additionally, their library did end up heavily inspiring many aspects of our own API as its approach very much aligned with the direction we had already started down.

Culori

The Culori library helped inspire the use of cubic splines as interpolation methods.

References

When researching color vision deficiencies, aside from the usual scientific papers, a couple of sites were found to be quite helpful.

  • daltonlens.org was particularly helpful. As it comes from the perspective of an actual Protan, it provided reviews on various algorithm's and explained in great depth some approaches and why they were preferred over others.
  • ixora.io was another useful site that went into great details specifically about the Viénot approach.
Last update: June 13, 2023
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Last update: June 13, 2023
\ No newline at end of file diff --git a/about/changelog/index.html b/about/changelog/index.html index 737da9470..620c8b497 100644 --- a/about/changelog/index.html +++ b/about/changelog/index.html @@ -1,4 +1,4 @@ - Changelog - ColorAide Documentation
Skip to content

Changelog

2.10

  • NEW: Declare official support for Python 3.12.
  • NEW: Color.steps and Color.discrete now accept delta_e_args to allow configuring the underlying distance algorithm when using the delta_e option.
  • NEW: CIE Lab, both D50 and D65, are now derived from a CIELab class. CIE LCh, both D50 and D65, are also now derived from a CIELCh class. This makes it easy to determine a CIE Lab or CIE LCh space from other Lab-like spaces.
  • NEW: ∆E*76, ∆E*94, ∆E*00, and ∆E*cmc all accept a new parameter called space which allows the user to specify a registered Lab color space name (one that is derived from the CIELab class) to use as the distancing color space. This allows a user to use D50 Lab (or any other variant) for distancing if required.
  • FIX: For consistency, ∆E*94 and ∆E*cmc now use Lab D65 by default just like ∆E*76 and ∆E*00. This fixes an issue where the docs indicated that they use D65, but in actuality they were using D50.

2.9.1.post1

  • FIX: Fix incorrect changelog mention of recent fix being for HSL instead of HWB.

2.9.1

  • FIX: Average should allow controlling powerless be disabled by default for backwards compatibility.
  • FIX: HWB should use the algorithm defined in CSS that allows for round tripping even in the negative lightness direction. Previously we were converting directly from HSV.

2.9

  • NEW: Add HWBish mixin class.
  • NEW: Deprecate algebra.no_nan(), algebra.no_nans(), and algebra.is_nan().
  • NEW: When averaging in a cylindrical space, always treat achromatic hues as powerless for better results.
  • NEW: Add experimental support for CSS "powerless" hue handling and carrying-forward in interpolation, both disabled by default.
  • FIX: Fix RLAB conversion.
  • FIX: Fix clipping of hues.
  • ENHANCE: Tweaks to some matrix calculations.
  • ENHANCE: Various performance related tweaks.

2.8

  • NEW: Add Cubehelix color space.
  • NEW: When precision is set to -1 for string output, double precision (17) will be assumed.
  • ENHANCE: More robust and generally better matrix inverse. Related inverse matrices have been regenerated for consistency.

2.7.2

  • FIX: More accurate easing logic.

2.7.1

  • FIX: Fix issue where harmony would convert some colors to cylindrical spaces and not properly consider order of channels.
  • FIX: XYB, while Lab like in its default configuration, has such a large disparity in the non-lightness components that the ranges for them should not be the same when using percentages.
  • FIX: Lab like space mixins should not try and order a and b like coordinates when calling indexes(), but should return them in there current order with lightness first. The meaning of these components can be different enough for a given color space to make normalizing their ordered configuration meaningless and alter inherit hue direction when processing for harmony.

2.7

  • NEW: Add new RYB color space.
  • NEW: Add Regular mixin class for normal, 3 channel color spaces (sRGB, CMY, RYB, etc.).
  • NEW: harmony() can now accept and transform Labish and Regular color spaces to cylindrical spaces.

2.6

  • NEW: Add padding parameter to limit color scales when interpolating.

2.5

  • NEW: Add new discrete() function that creates a discrete interpolation object.
  • NEW: Deprecate coloraide.algebra.apply function in favor of new vectorize functions.
  • FIX: Fix small typing issue.
  • FIX: Tweaks to Oklab 64 bit matrix precision.
  • FIX: Fix prismatic and cmyk achromatic check logic.
  • FIX: Ensure IPT uses the exact white point as documented in the paper.
  • FIX: Fix various corner cases of algebraic functions and implement some performance improvements.

2.4

  • NEW: Add Rec. 709 RGB color space.
  • NEW: Add the 1960 UCS color space.
  • NEW: Add correlated color temperature support with new cct() and blackbody() API.
  • NEW: Add support for Robertson 1968 and Ohno 2013 CCT plugins.
  • NEW: Add support for determining if a color is in the Pointer Gamut and provide a way to clamp a color to the gamut.
  • NEW: Include CMFS: CIE 1931 2 Degree Standard Observer, CIE 1964 10 Degree Standard Observer, CIE 2015 2 Degree Standard Observer, and CIE 2015 10 Degree Standard Observer.
  • NEW: Add split_chromaticity() method which will split a color into its chromaticity and luminance parts.
  • NEW: Add chromaticity() which will create a new color from a given set of chromaticity coordinates.
  • NEW: Relax chromatic_adaptation() type requirement of white point chromaticity inputs.
  • NEW: luminance(), xy(), and uv() all now accept an optional white point via the white parameter to control the white point in which the returned values are relative to. luminance() still defaults to D65 but will use the current color's white point, like xy() and uv() if white is set to None.
  • NEW: white() now accepts a positional parameter allowing it to output the white point of the current color as various chromaticity coordinates in addition to the default XYZ coordinates.
  • FIX: Fix case where deregistering all plugins with * was not deregistering Filter plugins.

2.3

  • NEW ACEScc will now resolve undefined color channels (non-alpha) with a non-zero default that represents black for consistency with other ACES color spaces.
  • ENHANCE: Streamline averaging algorithm to increase performance.
  • FIX: Ensure that HCT consistently clamps negative lightness and chroma to zero.

2.2.2

  • FIX: Improve HCT round trip conversion speed and improve conversion in some weak areas.

2.2.1

  • FIX: Averaging of a channel set with only undefined values should return an undefined value.
  • FIX: Averaging should be done in linear light by default for a sane default. Default is now srgb-linear.

2.2

  • NEW: Add XYB color space.
  • ENHANCE: More efficient averaging.
  • FIX: Fix issue where if all colors have the same channel undefined that a divide by zero can occur.

2.1

  • NEW: Add new color averaging method.
  • FIX: Interpolation should not modify any input colors.

2.0.2

  • FIX: Consistent normalization of HWB hue.
  • FIX: Consistent normalization of color in harmony monochromatic.

2.0.1

  • FIX: Incorrect result when interpolating from a cylindrical space to a rectangular space and using out_space.

2.0

  • BREAK: interpolate, steps, mix, filter, compose, and harmony will no longer base the output color on the first input color. Colors will be evaluated in the specified color space and be output in that space unless out_space is used to specify a specific output color space. For migration, specify the desired out_space if the working space does not match the desired output.

  • BREAK: Achromatic and undefined color channel handling has been rewritten. Color space objects no longer utilize the normalize() or achromatic_hue() method and instead now use a new is_achromatic() and resolve_channel() methods.

  • NEW: Expose the new Color.is_achromatic() method to tell if colors, even non-cylindrical colors, are achromatic or reasonably close to achromatic.

  • NEW: Color channel definitions can specify a non-zero default for an undefined channel. Use resolve_channel() for more advanced handling.

  • NEW: CAM16, CAM16 UCS, CAM16 SCD, CAM15 LCD, CAM16 JMh, HCT, Jzazbz, JzCzhz, and IPT all currently require a dynamic approach to detect achromatic colors. Undefined LCh chroma and hue channels and Lab a and b channels can now resolve to non-zero values when undefined for better achromatic interpolation.

  • NEW: ACEScct will now resolve undefined color channels (non-alpha) with a non-zero default that represents black as zero is actually out of gamut for that space.

  • NEW: filter, compose, and harmony all now support the out_space parameter.

  • NEW: All <space>ish mixin classes now give access to normalized names and indexes as names() and indexes() opposed to <space>ish_names() etc. Old methods are still available but are deprecated.

  • NEW: All RGB, HSL, and HSV color spaces are now created with a respective RGBish, HSLish, and HSVish mixin class.

  • NEW: Separable blend modes will now be evaluated in whatever RGB-ish color space is provided.

  • NEW: compose will throw an error if a non-RGB-ish color space is provided.

  • NEW: Color.normalize() added a new nans parameter that when set to False will prevent achromatic hue normalization and will just force all channels to be defined.

  • NEW: Color.coords() and Color.alpha(), which used to be available during the alpha/beta period have been re-added. coords() accesses just the color channels (no alpha channel) while alpha() gets the alpha channel.

  • NEW: Coordinate access functions: get(), set(), coords(), and alpha() functions now have a nans parameter that when set to False will ensure the component(s) is returned as a real number instead of NaN. Set operations only apply this when passing the current value to a callback for relative modification.

  • NEW: A norm parameter is now added to convert and update. When set to False, it will prevent achromatic normalization of hues during conversion. If no conversion is needed, the color is returned as is.

  • NEW: ColorAide used to gamut map colors such as HSL, HSV, and HWB when interpolating into those spaces. This is no longer done. It is possible to gamut map wider gamuts with these color spaces, so it will be up to the user to apply gamut mapping when it is determined they need it.

  • NEW: EXTENDED_RANGE is no longer needed and is removed from current color space classes.

  • NEW: Improved accuracy for Oklab, OkLCh, Okhsl, and Okhsv.

  • NEW: New "continuous" interpolation method.

  • FIX: Fix aliases in IPT and IgPgTg.

  • FIX: Fix some conversion issues with CAM16 based color spaces that was caused due to bad achromatic handling.

1.8.2

  • FIX: Fix some exception messages.

1.8.1

  • FIX: Ensure Judd-Vos correction is applied to linear RGB to LMS conversion for CVD.
  • FIX: Fix outdated API information in docs.

1.8.0

  • NEW: Modern sRGB, HSL, and HWB should allow mixed percentage and numbers. HSL and HWB percentages in the hsl() and hwb() formats respectively will resolve to numbers in the range [0, 100]. These changes reflect the latest changes in the CSS Level 4 Color spec.
  • NEW: HSL and HWB can serialize to a modern syntax that does not use percentages, but the default still uses percentages.
  • NEW: Rework CSS parsing for better performance.
  • FIX: Handle some parsing corner cases that are handled by browsers, but not by ColorAide. For example, color(srgb 1-0.5.4) should parse as color(srgb 1 -0.5 0.4).
  • FIX: Ensure that COLOR_FORMAT is respected.

1.7.1

  • FIX: Ensure CAM16 spaces mirrors positive and negative percentages for a and b components.
  • FIX: Since the CAM16 JMh model can not predict achromatic colors with negative lightness and, more importantly, negative lightness is not useful, limit the lower end of lightness in CAM16 spaces to zero.
  • FIX: When a CAM16 JMh (or HCT) color's chroma, when not discounting illuminance, has chroma drop below the actual ideal achromatic chroma threshold, just use the ideal chroma to ensure better conversion back to XYZ.
  • FIX: Jzazbz and JzCzhz model can never translate a color with a negative lightness, so just clamp negative lightness while in Jzazbz and JzCzhz.
  • FIX: Fix a math error in CAM16.
  • FIX: Fix CAM16 JMh M limit which was too low.
  • FIX: IPT was set to "bound" when it should have an unbounded gamut.
  • FIX: When both comma and none are enabled it could make undefined alpha values show up as none in legacy CSS format.
  • FIX: Sane handling of inverse lightness in DIN99o.

1.7

  • NEW: Add support for CAM16 Jab and JMh: cam16 and cam16-jmh respectively.
  • NEW: Add support for CAM16 UCS (Jab forms): cam16-ucs, cam16-scd, and cam16-lcd.
  • NEW: Add support for the HCT color space (hct) which combines the colorfulness and hue from CAM16 JMh and the lightness from CIELab.
  • NEW: Gamut mapping classes derived from fit_lch_chroma can set DE_OPTIONS to pass ∆E parameters.
  • NEW: While rare, some cylindrical color spaces have an algorithm such that achromatic colors convert best with a very specific hue. Internally, this is now handled during conversions, but there can be reasons where knowing the hue can be useful such as plotting. Cylindrical spaces now expose a method called achromatic_hue() which will return this specific hue if needed.
  • FIX: Fix rec2100-hlg transform.
  • FIX: Some color transformation improvements.
  • FIX: Relax some achromatic detection logic for sRGB cylindrical models. Improves achromatic hue detection results when converting to and from various non-sRGB color spaces.

1.6

  • NEW: Add rec2100-hlg color space.
  • BREAKING: rec2100pq should have been named rec2100-pq for consistency. It has been renamed to rec2100-pq and serializes with the CSS ID of --rec2100-pq. This is likely to have little impact on most users.

1.5

  • NEW: Formally add support for Python 3.11.
  • NEW: Add support for custom domains when interpolating.
  • NEW: set() can now take a dictionary of channels and values and set multiple channels at once.
  • NEW: get() can now take a list of channels and will return a list of those channel values.
  • ENHANCE: Simplify some type annotation syntax.
  • ENHANCE: Some minor performance enhancements.
  • FIX: Fix OkLCh CSS parsing.

1.4

  • NEW: A color space can now declare its dynamic range. By default, spaces are assumed to be SDR, but can declare themselves as HDR, or something else. This allows ColorAide to make decisions based on a color's dynamic range.
  • NEW: Add channel aliases for IPT and IPT-like color spaces (IgPgTg and ICtCp): intensity, protan, and tritan.
  • FIX: The ICtCp and oRGB space would return the Lab-ish equivalents for a and b in reverse order if calling Labish.labish_names. This was not actually called anywhere in the code, but is now fixed for any future cases that may require calling it.
  • FIX: Undefined channels should be ignored when clipping a color.
  • FIX: Do not apply SDR shortcuts in gamut mapping when fitting in a non-SDR color gamut, such as HDR.

1.3

  • ENHANCE: Color vision deficiency filters can now be instantiated with different default methods for severe and anomalous cases.
  • FIX: Fix premultiplication handling when using compose.

1.2

  • NEW: Add new monotone interpolation method.
  • ENHANCE: Better extrapolation past end of spline.
  • FIX: Small speed up in natural spline calculation.
  • FIX: Fix import that should have been relative, not absolute.

1.1

  • NEW: Slight refactor of interpolation plugin so that common code does not need to be duplicated, and the interpolate method no longer needs to accept an easing parameter as the plugin class exposes a new ease method to automatically acquire the proper, specified easing function and apply it.
  • NEW: Functions built upon interpolation can now use a new extrapolate parameter to enable extrapolation if interpolation inputs exceed 0 - 1. point will be passed to Interpolator.interpolate un-clamped if extrapolate is enabled. If a particular interpolation plugin needs to do additional work to handle extrapolation, they can check self.extrapolate to know whether extrapolation is enabled.
  • NEW: Implement and provide the following easing functions as described in the CSS Easing Level 1 spec: cubic_bezier, ease, ease_in, ease_out, and ease_in_out. Also provide a simple linear easing function.
  • New: Add natural and catrom cubic spline options for interpolation. The catrom (Catmull-Rom) spline requires the plugin to be registered in order to use it.
  • FIX: Due to floating point math, B-spline could sometimes return an interpolation of fully opaque colors with an imperceptible amount of transparency. If alpha is very close (1e-6) to being opaque, just round it to opaque.
  • FIX: An easing function's output should not be clamped, only the input, and that only needs to occur on the the outer range of an entire interpolation.

1.0

Stable Release!

Checkout migration guide if you were an early adopter.

  • NEW: Bezier interpolation dropped for B-spline which provides much better interpolation.
  • NEW: All new interpolation methods now supports hue fix-ups: shorter, longer, increasing, decreasing, and specified.
  • NEW: Interpolation is now exposed as a plugin to allow for expansion.
  • FIX: Fixed an issue related to premultiplication and undefined alpha channels.

1.0rc1

Plugin Refactor

For more flexibility there was one final rework of plugins. Registering requires all plugins to be instantiated before being passed into Color.register, but this allows a user redefine some defaults of certain plugins.

coloraide.ColorAll was moved to coloraide.everythng.ColorAll to avoid allocating plugins when they are not desired.

In the process, we also renamed a number of plugin classes for consistency and predictability, details found below.

  • NEW: Updated some class names for consistency and predictability. XyY → xyY, Din99o → DIN99o, SRGB → sRGB, and ORGB → oRGB.

    Lastly, LCh should be the default casing convention. This convention will be followed unless a spec mentions otherwise. Changes: Lch → LCh, LchD65 → LChD65, Oklch → OkLCh, Lchuv → LChuv, Lch99o → LCh99o, LchChroma → LChChroma, OklchChroma → OkLChChroma, and Lchish → LChish.

  • NEW: Updated migration guide with recent plugin changes.

  • NEW: coloraide.ColorAll renamed and moved to coloraide.everything.ColorAll. This prevents unnecessary inclusion and allocation of objects that are not desired.
  • NEW: Default Color object now only registers bradford CAT by default, all others must be registered separately, or coloraide.everything.Color could be used.

  • NEW: All plugin classes must be instantiated when being registered. This allows some plugins to be instantiated with different defaults. This allows some plugins to be configured with different defaults.

    # Before change:
+ Changelog - ColorAide Documentation      
      
     
      
     
      
     
     
     
     
      
     
     
     
     
     
      
     
     
     
     
     
    Changelog
     
    2.11
     
       
    • NEW: Add new css-linear interpolator that provides compatibility with the CSS specification. This deviates from the default linear interpolator in how undefined hues are resolved for interpolation, particularly noticeable with longer hue resolution.
      •  
    • NEW: Add new INTERPOLATOR class option to change the default interpolator that is used.
      •  
     
    2.10
     
       
    • NEW: Declare official support for Python 3.12.
      •  
    • NEW: Color.steps and Color.discrete now accept delta_e_args to allow configuring the underlying distance algorithm when using the delta_e option.
      •  
    • NEW: CIE Lab, both D50 and D65, are now derived from a CIELab class. CIE LCh, both D50 and D65, are also now derived from a CIELCh class. This makes it easy to determine a CIE Lab or CIE LCh space from other Lab-like spaces.
      •  
    • NEW: ∆E*76, ∆E*94, ∆E*00, and ∆E*cmc all accept a new parameter called space which allows the user to specify a registered Lab color space name (one that is derived from the CIELab class) to use as the distancing color space. This allows a user to use D50 Lab (or any other variant) for distancing if required.
      •  
    • FIX: For consistency, ∆E*94 and ∆E*cmc now use Lab D65 by default just like ∆E*76 and ∆E*00. This fixes an issue where the docs indicated that they use D65, but in actuality they were using D50.
      •  
     
    2.9.1.post1
     
       
    • FIX: Fix incorrect changelog mention of recent fix being for HSL instead of HWB.
      •  
     
    2.9.1
     
       
    • FIX: Average should allow controlling powerless be disabled by default for backwards compatibility.
      •  
    • FIX: HWB should use the algorithm defined in CSS that allows for round tripping even in the negative lightness direction. Previously we were converting directly from HSV.
      •  
     
    2.9
     
       
    • NEW: Add HWBish mixin class.
      •  
    • NEW: Deprecate algebra.no_nan(), algebra.no_nans(), and algebra.is_nan().
      •  
    • NEW: When averaging in a cylindrical space, always treat achromatic hues as powerless for better results.
      •  
    • NEW: Add experimental support for CSS "powerless" hue handling and carrying-forward in interpolation, both disabled by default.
      •  
    • FIX: Fix RLAB conversion.
      •  
    • FIX: Fix clipping of hues.
      •  
    • ENHANCE: Tweaks to some matrix calculations.
      •  
    • ENHANCE: Various performance related tweaks.
      •  
     
    2.8
     
       
    • NEW: Add Cubehelix color space.
      •  
    • NEW: When precision is set to -1 for string output, double precision (17) will be assumed.
      •  
    • ENHANCE: More robust and generally better matrix inverse. Related inverse matrices have been regenerated for consistency.
      •  
     
    2.7.2
     
       
    • FIX: More accurate easing logic.
      •  
     
    2.7.1
     
       
    • FIX: Fix issue where harmony would convert some colors to cylindrical spaces and not properly consider order of channels.
      •  
    • FIX: XYB, while Lab like in its default configuration, has such a large disparity in the non-lightness components that the ranges for them should not be the same when using percentages.
      •  
    • FIX: Lab like space mixins should not try and order a and b like coordinates when calling indexes(), but should return them in there current order with lightness first. The meaning of these components can be different enough for a given color space to make normalizing their ordered configuration meaningless and alter inherit hue direction when processing for harmony.
      •  
     
    2.7
     
       
    • NEW: Add new RYB color space.
      •  
    • NEW: Add Regular mixin class for normal, 3 channel color spaces (sRGB, CMY, RYB, etc.).
      •  
    • NEW: harmony() can now accept and transform Labish and Regular color spaces to cylindrical spaces.
      •  
     
    2.6
     
       
    • NEW: Add padding parameter to limit color scales when interpolating.
      •  
     
    2.5
     
       
    • NEW: Add new discrete() function that creates a discrete interpolation object.
      •  
    • NEW: Deprecate coloraide.algebra.apply function in favor of new vectorize functions.
      •  
    • FIX: Fix small typing issue.
      •  
    • FIX: Tweaks to Oklab 64 bit matrix precision.
      •  
    • FIX: Fix prismatic and cmyk achromatic check logic.
      •  
    • FIX: Ensure IPT uses the exact white point as documented in the paper.
      •  
    • FIX: Fix various corner cases of algebraic functions and implement some performance improvements.
      •  
     
    2.4
     
       
    • NEW: Add Rec. 709 RGB color space.
      •  
    • NEW: Add the 1960 UCS color space.
      •  
    • NEW: Add correlated color temperature support with new cct() and blackbody() API.
      •  
    • NEW: Add support for Robertson 1968 and Ohno 2013 CCT plugins.
      •  
    • NEW: Add support for determining if a color is in the Pointer Gamut and provide a way to clamp a color to the gamut.
      •  
    • NEW: Include CMFS: CIE 1931 2 Degree Standard Observer, CIE 1964 10 Degree Standard Observer, CIE 2015 2 Degree Standard Observer, and CIE 2015 10 Degree Standard Observer.
      •  
    • NEW: Add split_chromaticity() method which will split a color into its chromaticity and luminance parts.
      •  
    • NEW: Add chromaticity() which will create a new color from a given set of chromaticity coordinates.
      •  
    • NEW: Relax chromatic_adaptation() type requirement of white point chromaticity inputs.
      •  
    • NEW: luminance(), xy(), and uv() all now accept an optional white point via the white parameter to control the white point in which the returned values are relative to. luminance() still defaults to D65 but will use the current color's white point, like xy() and uv() if white is set to None.
      •  
    • NEW: white() now accepts a positional parameter allowing it to output the white point of the current color as various chromaticity coordinates in addition to the default XYZ coordinates.
      •  
    • FIX: Fix case where deregistering all plugins with * was not deregistering Filter plugins.
      •  
     
    2.3
     
       
    • NEW ACEScc will now resolve undefined color channels (non-alpha) with a non-zero default that represents black for consistency with other ACES color spaces.
      •  
    • ENHANCE: Streamline averaging algorithm to increase performance.
      •  
    • FIX: Ensure that HCT consistently clamps negative lightness and chroma to zero.
      •  
     
    2.2.2
     
       
    • FIX: Improve HCT round trip conversion speed and improve conversion in some weak areas.
      •  
     
    2.2.1
     
       
    • FIX: Averaging of a channel set with only undefined values should return an undefined value.
      •  
    • FIX: Averaging should be done in linear light by default for a sane default. Default is now srgb-linear.
      •  
     
    2.2
     
       
    • NEW: Add XYB color space.
      •  
    • ENHANCE: More efficient averaging.
      •  
    • FIX: Fix issue where if all colors have the same channel undefined that a divide by zero can occur.
      •  
     
    2.1
     
       
    • NEW: Add new color averaging method.
      •  
    • FIX: Interpolation should not modify any input colors.
      •  
     
    2.0.2
     
       
    • FIX: Consistent normalization of HWB hue.
      •  
    • FIX: Consistent normalization of color in harmony monochromatic.
      •  
     
    2.0.1
     
       
    • FIX: Incorrect result when interpolating from a cylindrical space to a rectangular space and using out_space.
      •  
     
    2.0
     
       
    •  
      BREAK: interpolate, steps, mix, filter, compose, and harmony will no longer base the output color on the first input color. Colors will be evaluated in the specified color space and be output in that space unless out_space is used to specify a specific output color space. For migration, specify the desired out_space if the working space does not match the desired output.
       
      •  
    •  
      BREAK: Achromatic and undefined color channel handling has been rewritten. Color space objects no longer utilize the normalize() or achromatic_hue() method and instead now use a new is_achromatic() and resolve_channel() methods.
       
      •  
    •  
      NEW: Expose the new Color.is_achromatic() method to tell if colors, even non-cylindrical colors, are achromatic or reasonably close to achromatic.
       
      •  
    •  
      NEW: Color channel definitions can specify a non-zero default for an undefined channel. Use resolve_channel() for more advanced handling.
       
      •  
    •  
      NEW: CAM16, CAM16 UCS, CAM16 SCD, CAM15 LCD, CAM16 JMh, HCT, Jzazbz, JzCzhz, and IPT all currently require a dynamic approach to detect achromatic colors. Undefined LCh chroma and hue channels and Lab a and b channels can now resolve to non-zero values when undefined for better achromatic interpolation.
       
      •  
    •  
      NEW: ACEScct will now resolve undefined color channels (non-alpha) with a non-zero default that represents black as zero is actually out of gamut for that space.
       
      •  
    •  
      NEW: filter, compose, and harmony all now support the out_space parameter.
       
      •  
    •  
      NEW: All <space>ish mixin classes now give access to normalized names and indexes as names() and indexes() opposed to <space>ish_names() etc. Old methods are still available but are deprecated.
       
      •  
    •  
      NEW: All RGB, HSL, and HSV color spaces are now created with a respective RGBish, HSLish, and HSVish mixin class.
       
      •  
    •  
      NEW: Separable blend modes will now be evaluated in whatever RGB-ish color space is provided.
       
      •  
    •  
      NEW: compose will throw an error if a non-RGB-ish color space is provided.
       
      •  
    •  
      NEW: Color.normalize() added a new nans parameter that when set to False will prevent achromatic hue normalization and will just force all channels to be defined.
       
      •  
    •  
      NEW: Color.coords() and Color.alpha(), which used to be available during the alpha/beta period have been re-added. coords() accesses just the color channels (no alpha channel) while alpha() gets the alpha channel.
       
      •  
    •  
      NEW: Coordinate access functions: get(), set(), coords(), and alpha() functions now have a nans parameter that when set to False will ensure the component(s) is returned as a real number instead of NaN. Set operations only apply this when passing the current value to a callback for relative modification.
       
      •  
    •  
      NEW: A norm parameter is now added to convert and update. When set to False, it will prevent achromatic normalization of hues during conversion. If no conversion is needed, the color is returned as is.
       
      •  
    •  
      NEW: ColorAide used to gamut map colors such as HSL, HSV, and HWB when interpolating into those spaces. This is no longer done. It is possible to gamut map wider gamuts with these color spaces, so it will be up to the user to apply gamut mapping when it is determined they need it.
       
      •  
    •  
      NEW: EXTENDED_RANGE is no longer needed and is removed from current color space classes.
       
      •  
    •  
      NEW: Improved accuracy for Oklab, OkLCh, Okhsl, and Okhsv.
       
      •  
    •  
      NEW: New "continuous" interpolation method.
       
      •  
    •  
      FIX: Fix aliases in IPT and IgPgTg.
       
      •  
    •  
      FIX: Fix some conversion issues with CAM16 based color spaces that was caused due to bad achromatic handling.
       
      •  
     
    1.8.2
     
       
    • FIX: Fix some exception messages.
      •  
     
    1.8.1
     
       
    • FIX: Ensure Judd-Vos correction is applied to linear RGB to LMS conversion for CVD.
      •  
    • FIX: Fix outdated API information in docs.
      •  
     
    1.8.0
     
       
    • NEW: Modern sRGB, HSL, and HWB should allow mixed percentage and numbers. HSL and HWB percentages in the hsl() and hwb() formats respectively will resolve to numbers in the range [0, 100]. These changes reflect the latest changes in the CSS Level 4 Color spec.
      •  
    • NEW: HSL and HWB can serialize to a modern syntax that does not use percentages, but the default still uses percentages.
      •  
    • NEW: Rework CSS parsing for better performance.
      •  
    • FIX: Handle some parsing corner cases that are handled by browsers, but not by ColorAide. For example, color(srgb 1-0.5.4) should parse as color(srgb 1 -0.5 0.4).
      •  
    • FIX: Ensure that COLOR_FORMAT is respected.
      •  
     
    1.7.1
     
       
    • FIX: Ensure CAM16 spaces mirrors positive and negative percentages for a and b components.
      •  
    • FIX: Since the CAM16 JMh model can not predict achromatic colors with negative lightness and, more importantly, negative lightness is not useful, limit the lower end of lightness in CAM16 spaces to zero.
      •  
    • FIX: When a CAM16 JMh (or HCT) color's chroma, when not discounting illuminance, has chroma drop below the actual ideal achromatic chroma threshold, just use the ideal chroma to ensure better conversion back to XYZ.
      •  
    • FIX: Jzazbz and JzCzhz model can never translate a color with a negative lightness, so just clamp negative lightness while in Jzazbz and JzCzhz.
      •  
    • FIX: Fix a math error in CAM16.
      •  
    • FIX: Fix CAM16 JMh M limit which was too low.
      •  
    • FIX: IPT was set to "bound" when it should have an unbounded gamut.
      •  
    • FIX: When both comma and none are enabled it could make undefined alpha values show up as none in legacy CSS format.
      •  
    • FIX: Sane handling of inverse lightness in DIN99o.
      •  
     
    1.7
     
       
    • NEW: Add support for CAM16 Jab and JMh: cam16 and cam16-jmh respectively.
      •  
    • NEW: Add support for CAM16 UCS (Jab forms): cam16-ucs, cam16-scd, and cam16-lcd.
      •  
    • NEW: Add support for the HCT color space (hct) which combines the colorfulness and hue from CAM16 JMh and the lightness from CIELab.
      •  
    • NEW: Gamut mapping classes derived from fit_lch_chroma can set DE_OPTIONS to pass ∆E parameters.
      •  
    • NEW: While rare, some cylindrical color spaces have an algorithm such that achromatic colors convert best with a very specific hue. Internally, this is now handled during conversions, but there can be reasons where knowing the hue can be useful such as plotting. Cylindrical spaces now expose a method called achromatic_hue() which will return this specific hue if needed.
      •  
    • FIX: Fix rec2100-hlg transform.
      •  
    • FIX: Some color transformation improvements.
      •  
    • FIX: Relax some achromatic detection logic for sRGB cylindrical models. Improves achromatic hue detection results when converting to and from various non-sRGB color spaces.
      •  
     
    1.6
     
       
    • NEW: Add rec2100-hlg color space.
      •  
    • BREAKING: rec2100pq should have been named rec2100-pq for consistency. It has been renamed to rec2100-pq and serializes with the CSS ID of --rec2100-pq. This is likely to have little impact on most users.
      •  
     
    1.5
     
       
    • NEW: Formally add support for Python 3.11.
      •  
    • NEW: Add support for custom domains when interpolating.
      •  
    • NEW: set() can now take a dictionary of channels and values and set multiple channels at once.
      •  
    • NEW: get() can now take a list of channels and will return a list of those channel values.
      •  
    • ENHANCE: Simplify some type annotation syntax.
      •  
    • ENHANCE: Some minor performance enhancements.
      •  
    • FIX: Fix OkLCh CSS parsing.
      •  
     
    1.4
     
       
    • NEW: A color space can now declare its dynamic range. By default, spaces are assumed to be SDR, but can declare themselves as HDR, or something else. This allows ColorAide to make decisions based on a color's dynamic range.
      •  
    • NEW: Add channel aliases for IPT and IPT-like color spaces (IgPgTg and ICtCp): intensity, protan, and tritan.
      •  
    • FIX: The ICtCp and oRGB space would return the Lab-ish equivalents for a and b in reverse order if calling Labish.labish_names. This was not actually called anywhere in the code, but is now fixed for any future cases that may require calling it.
      •  
    • FIX: Undefined channels should be ignored when clipping a color.
      •  
    • FIX: Do not apply SDR shortcuts in gamut mapping when fitting in a non-SDR color gamut, such as HDR.
      •  
     
    1.3
     
       
    • ENHANCE: Color vision deficiency filters can now be instantiated with different default methods for severe and anomalous cases.
      •  
    • FIX: Fix premultiplication handling when using compose.
      •  
     
    1.2
     
       
    • NEW: Add new monotone interpolation method.
      •  
    • ENHANCE: Better extrapolation past end of spline.
      •  
    • FIX: Small speed up in natural spline calculation.
      •  
    • FIX: Fix import that should have been relative, not absolute.
      •  
     
    1.1
     
       
    • NEW: Slight refactor of interpolation plugin so that common code does not need to be duplicated, and the interpolate method no longer needs to accept an easing parameter as the plugin class exposes a new ease method to automatically acquire the proper, specified easing function and apply it.
      •  
    • NEW: Functions built upon interpolation can now use a new extrapolate parameter to enable extrapolation if interpolation inputs exceed 0 - 1. point will be passed to Interpolator.interpolate un-clamped if extrapolate is enabled. If a particular interpolation plugin needs to do additional work to handle extrapolation, they can check self.extrapolate to know whether extrapolation is enabled.
      •  
    • NEW: Implement and provide the following easing functions as described in the CSS Easing Level 1 spec: cubic_bezier, ease, ease_in, ease_out, and ease_in_out. Also provide a simple linear easing function.
      •  
    • New: Add natural and catrom cubic spline options for interpolation. The catrom (Catmull-Rom) spline requires the plugin to be registered in order to use it.
      •  
    • FIX: Due to floating point math, B-spline could sometimes return an interpolation of fully opaque colors with an imperceptible amount of transparency. If alpha is very close (1e-6) to being opaque, just round it to opaque.
      •  
    • FIX: An easing function's output should not be clamped, only the input, and that only needs to occur on the the outer range of an entire interpolation.
      •  
     
    1.0
     
     
    Stable Release!
     
    Checkout migration guide if you were an early adopter.
     
     
       
    • NEW: Bezier interpolation dropped for B-spline which provides much better interpolation.
      •  
    • NEW: All new interpolation methods now supports hue fix-ups: shorter, longer, increasing, decreasing, and specified.
      •  
    • NEW: Interpolation is now exposed as a plugin to allow for expansion.
      •  
    • FIX: Fixed an issue related to premultiplication and undefined alpha channels.
      •  
     
    1.0rc1
     
     
    Plugin Refactor
     
    For more flexibility there was one final rework of plugins. Registering requires all plugins to be instantiated before being passed into Color.register, but this allows a user redefine some defaults of certain plugins.
     
    coloraide.ColorAll was moved to coloraide.everythng.ColorAll to avoid allocating plugins when they are not desired.
     
    In the process, we also renamed a number of plugin classes for consistency and predictability, details found below.
     
     
       
    •  
      NEW: Updated some class names for consistency and predictability. XyY → xyY, Din99o → DIN99o, SRGB → sRGB, and ORGB → oRGB.
       
      Lastly, LCh should be the default casing convention. This convention will be followed unless a spec mentions otherwise. Changes: Lch → LCh, LchD65 → LChD65, Oklch → OkLCh, Lchuv → LChuv, Lch99o → LCh99o, LchChroma → LChChroma, OklchChroma → OkLChChroma, and Lchish → LChish.
       
      •  
    •  
      NEW: Updated migration guide with recent plugin changes.
       
      •  
    • NEW: coloraide.ColorAll renamed and moved to coloraide.everything.ColorAll. This prevents unnecessary inclusion and allocation of objects that are not desired.
      •  
    • NEW: Default Color object now only registers bradford CAT by default, all others must be registered separately, or coloraide.everything.Color could be used.
      •  
    •  
      NEW: All plugin classes must be instantiated when being registered. This allows some plugins to be instantiated with different defaults. This allows some plugins to be configured with different defaults.
       
      # Before change:
 Color.register([Plugin1, Plugin2])
 
 # After change:
@@ -27,4 +27,4 @@
 
       
     
       
    • NEW: Add the official CSS syntax oklab() and oklch() for the Oklab and OkLCh color spaces respectively.
      •  
    • NEW: Custom fit plugin's fit method now allows additional kwargs in its signature. The API will accept kwargs allowing a custom fit plugin to have configurable parameters. None of the current built-in plugins provide additional parameters, but this is provided in case it is found useful in the future.
      •  
    • NEW: XYZ D65 space will now be known as xyz-d65, not xyz. Per the CSS specification, we also ensure XYZ D65 color space serializes as xyz-d65 instead of the alias xyz. CSS input string format will still accept the xyz identifier as this is defined in the CSS specification as an alias for xyz-d65, but when serializing a color to a string, the xyz-d65 will be used as the preferred form.
      •  
    • NEW: By default, gamut mapping is done with oklch-chroma which matches the current CSS specification. If desired, the old way (lch-chroma) can manually be specified or set as the default by subclassing Color and setting FIT to lch-chroma.
      •  
    • FIX: Ensure the convert method's fit parameter is typed appropriately and is documented correctly.
      •  
     
    0.7.0
     
       
    • NEW: Formally expose srgb-linear as a valid color space.
      •  
    • NEW: Distance plugins and gamut mapping plugins now use classmethod instead of staticmethod. This allows for inheritance from other classes and the overriding of plugin options included as class members.
      •  
    • NEW: Tweak LCh chroma gamut mapping threshold.
      •  
    • FIX: Issue where it is possible, when generating steps, to cause a shift in midpoint of colors if exceeding the maximum steps. Ensure that no stops are injected if injecting a stop between every color would exceed the max steps.
      •  
     
    0.6.0
     
       
    • NEW: Update spaces such that they provide a single conversion point which simplifies color space API and centralizes all conversion logic allowing us to pull chromatic adaptation out of spaces.
      •  
    • NEW: color() output format never uses percent when serializing, but will optionally accept percent as input.
      •  
    • NEW: Slight refactor of color space, delta E, and gamut mapping plugins. All now specify there name via the property NAME instead of methods space() for color spaces and name() for other plugins.
      •  
    • NEW: Restructure source structure by flattening out some directories and better organizing source files. This changes some import paths.
      •  
    • NEW: Color spaces do not specify alpha in CHANNEL_NAMES as the alpha name cannot be changed.
      •  
    • NEW: Color space objects do not need a constant to track number of color channels.
      •  
     
    0.5.0
     
       
    • NEW: Add type annotations and refactor code to better accommodate the type annotations. Public API not really affected, but a bit of the internals have changed.
      •  
    • FIX: Fix issue where compose, if backdrop list is empty, would not respect in_place option.
      •  
     
    0.4.0
     
       
    • NEW: Officially support Python 3.10.
      •  
    • NEW: Slightly more accurate Oklab matrix calculation.
      •  
    • NEW: Exported dictionary form can now be used as a normal color input in functions like contrast, interpolate, etc.
      •  
    • NEW: Color objects will accept a dictionary mapping when alpha is not specified. When this occurs, alpha is assumed to be 1.
      •  
    • FIX: Fix an object compare issue.
      •  
     
    0.3.0
     
     
    Breaking Changes
     
    XYZ changes below will cause breakage as xyz now refers to XYZ with D65 instead of D50. Also, CSS identifiers changed per the recent specification change.
     
     
       
    • NEW: When calling dir() on Color(), ensure dynamic methods are in the list.
      •  
    • NEW: xyz now refers to XYZ D65. CSS color() function now specifies D65 color as either color(xyz x y z) or color(xyz-d65 x y z). XYZ D50 is now specified as color(xyz-D50 x y z).
      •  
    • NEW: Add CIELuv and CIELChuv D65 variants.
      •  
     
    0.2.0
     
       
    • NEW: Provide dedicated clip method. clip is still a specifiable method under the fit function. It is also a reserved name under fit and cannot be overridden via plugins or be removed.
      •  
    • NEW: Add more conversion shortcuts to OK family of color spaces.
      •  
    • FIX: Fix an issue where the shorter conversion path wasn't always taken as convert couldn't find to/from methods if the color space name had - in it.
      •  
     
    0.1.0
     
    First non-alpha prerelease. Notable changes from the last alpha listed below.
     
     
    Breaking Changes
     
    There are some breaking changes if coming from the previous alpha releases. All sRGB cylindrical spaces' non-hue data ranges are no longer scaled to 0 - 100, but use 0 - 1. Hue ranges have not changed.
     
     
       
    • NEW: By accepting HSL, HSV, and HWB as non-hue channels as 0-100, we do lose a little precision, so for 1.0, we are switching to accepting and returning raw data values between 0 - 1. We've kept hue between 0 - 360 as it is easier for users to deal with hues between 0 - 360. Doing this will also match the new color spaces Okhsl and Okhsv that need to be kept at 0 - 1 to get better rounding.
      •  
    • NEW: We do not currently restrict percentages anymore in color() functions. There is no hard rules that we need to at this time and no currently specified spaces that do this in the CSS specification. This is relaxed for now until some future time when it becomes clear we must.
      •  
    • NEW: New okhsl and okhsv color space.
      •  
    • NEW: All color channels now accept the none keyword to specify an undefined channel. They can also optionally output CSS strings with the keyword.
      •  
    • NEW: Interpolation will return an undefined channel if both colors have that channel set to undefined.
      •  
    • NEW: Provide a way to dump a color object to a simple dictionary and have the Color() object accept that dictionary to recreate the color object.
      •  
    • NEW: Provide cat16 chromatic adaptation.
      •  
    • NEW: Add normalize method to force channel normalization (evaluation of channels and setting undefined as appropriate).
      •  
    • NEW: Interpolated and composited colors will normalize undefined channels when returning a color.
      •  
    • NEW: Jzazbz now also has an alias for az and bz channels as a and b respectively.
      •  
    • FIX: Fix an attribute "get" issue where attributes that were not present on the Color() object appeared to be present when using hasattr().
      •  
    • FIX: More accurate Oklab matrix.
      •  
      
     
      Last update: September 11, 2023
\ No newline at end of file +
Last update: October 6, 2023
\ No newline at end of file diff --git a/about/contributing/index.html b/about/contributing/index.html index e846e279e..889acfd1d 100644 --- a/about/contributing/index.html +++ b/about/contributing/index.html @@ -1,4 +1,4 @@ - Contributing & Support - ColorAide Documentation
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Contributing & Support

There are many ways to help support this project, regardless of skills and abilities. If you enjoy this project and want to get involved, consider checking out one of the various ways below. Feel free to get creative, there may be other ways to contribute in which we have not thought of!

Become a Sponsor

Open source projects take time and money. Help support the project by becoming a sponsor. You can add your support at any tier you feel comfortable with. No amount is too little. We also accept one time contributions via PayPal.

GitHub Sponsors PayPal

Bug Reports

  1. Please read the documentation and search the issue tracker to try and find the answer to your question before posting an issue.

  2. When creating an issue on the repository, please provide as much info as possible:

    • Version being used.
    • Operating system.
    • Version of Python.
    • Errors in console.
    • Detailed description of the problem.
    • Examples for reproducing the error. You can post pictures, but if specific text or code is required to reproduce the issue, please provide the text in a plain text format for easy copy/paste.

    The more info provided, the greater the chance someone will take the time to answer, implement, or fix the issue.

  3. Be prepared to answer questions and provide additional information if required. Issues in which the creator refuses to respond to follow up questions will be marked as stale and closed.

Reviewing Code

Take part in reviewing pull requests and/or reviewing direct commits. Make suggestions to improve the code and discuss solutions to overcome weakness in the algorithm.

Answer Questions in Issues

Take time and answer questions and offer suggestions to people who've created issues in the issue tracker. Often people will have questions that you might have an answer for. Or maybe you know how to help them accomplish a specific task they are asking about. Feel free to share your experience to help others out.

Pull Requests

Pull requests are welcome, and a great way to help fix bugs and add new features.

Documentation Improvements

A ton of time has been spent not only creating and supporting this tool and related extensions, but also spent making this documentation. If you feel it is still lacking, show your appreciation for the tool and/or extensions by helping to improve the documentation.

Contributing & Support

There are many ways to help support this project, regardless of skills and abilities. If you enjoy this project and want to get involved, consider checking out one of the various ways below. Feel free to get creative, there may be other ways to contribute in which we have not thought of!

Become a Sponsor

Open source projects take time and money. Help support the project by becoming a sponsor. You can add your support at any tier you feel comfortable with. No amount is too little. We also accept one time contributions via PayPal.

GitHub Sponsors PayPal

Bug Reports

  1. Please read the documentation and search the issue tracker to try and find the answer to your question before posting an issue.

  2. When creating an issue on the repository, please provide as much info as possible:

    • Version being used.
    • Operating system.
    • Version of Python.
    • Errors in console.
    • Detailed description of the problem.
    • Examples for reproducing the error. You can post pictures, but if specific text or code is required to reproduce the issue, please provide the text in a plain text format for easy copy/paste.

    The more info provided, the greater the chance someone will take the time to answer, implement, or fix the issue.

  3. Be prepared to answer questions and provide additional information if required. Issues in which the creator refuses to respond to follow up questions will be marked as stale and closed.

Reviewing Code

Take part in reviewing pull requests and/or reviewing direct commits. Make suggestions to improve the code and discuss solutions to overcome weakness in the algorithm.

Answer Questions in Issues

Take time and answer questions and offer suggestions to people who've created issues in the issue tracker. Often people will have questions that you might have an answer for. Or maybe you know how to help them accomplish a specific task they are asking about. Feel free to share your experience to help others out.

Pull Requests

Pull requests are welcome, and a great way to help fix bugs and add new features.

Documentation Improvements

A ton of time has been spent not only creating and supporting this tool and related extensions, but also spent making this documentation. If you feel it is still lacking, show your appreciation for the tool and/or extensions by helping to improve the documentation.

Last update: June 13, 2023
\ No newline at end of file +
Last update: June 13, 2023
\ No newline at end of file diff --git a/about/license/index.html b/about/license/index.html index d1221784a..37d6b5755 100644 --- a/about/license/index.html +++ b/about/license/index.html @@ -1,4 +1,4 @@ - License - ColorAide Documentation
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License

MIT License

Copyright © 2020 - 2023 Isaac Muse

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

License

MIT License

Copyright © 2020 - 2023 Isaac Muse

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Last update: March 10, 2022
\ No newline at end of file +
Last update: March 10, 2022
\ No newline at end of file diff --git a/about/releases/1.0/index.html b/about/releases/1.0/index.html index b2c843c84..db99354e0 100644 --- a/about/releases/1.0/index.html +++ b/about/releases/1.0/index.html @@ -1,4 +1,4 @@ - 1.0 - ColorAide Documentation
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1.0 Migration Notes

ColorAide has been a constantly evolving project. As we've pushed for a stable release, the 1.0 milestone was no exception. For any of the early adopters, there are a number of things to be aware of when migrating to 1.0. In this guide, we'll cover the changes most likely to impact users.

Plugins

Plugins have gone through a number of reworks. In 1.0, we now require all plugins to be registered as instances. Prior to 1.0 plugins were just passed in un-instantiated. Some plugins were used as static classes almost, and some (color spaces) were instantiated on the creation of every color.

In 1.0, all plugins are required to be instantiated prior to registration. This gives the user the opportunity to specify any alternative defaults if desired.

>>> Color('red').delta_e('blue', method='cmc')
+ 1.0 - ColorAide Documentation      
  
 
  
 
  
 
 
 
 
  
 
 
 
 
 
  
 
 
 
 
 
1.0 Migration Notes
 
ColorAide has been a constantly evolving project. As we've pushed for a stable release, the 1.0 milestone was no exception. For any of the early adopters, there are a number of things to be aware of when migrating to 1.0. In this guide, we'll cover the changes most likely to impact users.
 
Plugins
 
Plugins have gone through a number of reworks. In 1.0, we now require all plugins to be registered as instances. Prior to 1.0 plugins were just passed in un-instantiated. Some plugins were used as static classes almost, and some (color spaces) were instantiated on the creation of every color.
 
In 1.0, all plugins are required to be instantiated prior to registration. This gives the user the opportunity to specify any alternative defaults if desired.
 
 
 
>>> Color('red').delta_e('blue', method='cmc')
 108.56925233888809
 >>> from coloraide.distance.delta_e_cmc import DECMC
 >>> class Custom(Color):
@@ -93,29 +93,29 @@
 Color(d)  
 
 
     Gamut: srgb 
 
 
Interpolation
 
Interpolation was an area we were generally unhappy with, so it was majorly overhauled.
 
Prior to 1.0, interpolation could be a bit awkward. Interpolation used to require the first color in the interpolation to be the calling object, and all the rest had to be fed in.
 
Color('red').interpolate(['blue', 'green', 'orange'])
 
 
When performing a simple mix, this felt natural and made sense:
 
Color('red').mix('blue', 0.25)
 
 
But with long chains of colors, this just felt cumbersome. To remedy this, we changed the interpolate and steps methods to @classmethods. We left mix as is since with two colors it feels natural.
 
So moving forward, interpolate and steps will execute interpolations from class methods.
 
 
 
         
>>> Color.interpolate(['red', 'blue', 'green', 'orange'])
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x112d301d0>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992a6b3d0>
 >>> Color.steps(['red', 'blue', 'green', 'orange'], steps=10)
 [color(--oklab 0.62796 0.22486 0.12585 / 1), color(--oklab 0.56931 0.13909 -0.01995 / 1), color(--oklab 0.51066 0.05332 -0.16574 / 1), color(--oklab 0.45201 -0.03246 -0.31153 / 1), color(--oklab 0.47459 -0.06841 -0.17179 / 1), color(--oklab 0.49717 -0.10435 -0.03206 / 1), color(--oklab 0.51975 -0.1403 0.10768 / 1), color(--oklab 0.61073 -0.07466 0.12558 / 1), color(--oklab 0.70171 -0.00903 0.14348 / 1), color(--oklab 0.79269 0.05661 0.16138 / 1)]
 
 
  
 
     Gamut: srgb 
 
 
This means that you do not have to call the function from an instantiated object, and if you do, the instantiated color that is making the call will not be included in the interpolation. Only the colors in the list are considered during the interpolation.
 
 
 
>>> Color('white').interpolate(['red', 'blue', 'green', 'orange'])
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x112c4a3d0>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992a77d10>
 
 
  
 
     Gamut: srgb 
 
 
This will make even more sense as we highlight the other changes.
 
Another problem we faced was the awkwardness of color stops and easing functions. Before we used to have a Piecewise object that you'd wrap a channel in to create color stops or inject easing functions and other various behaviors between colors, but it had to be applied on the second color in the chain, and this didn't quite work for the first color. If you wanted to add a stop to the first color, you then had to use a special stop parameter…it was unintuitive.
 
from coloraide import Piecewise
 Color('red').interpolate(['blue', Piecewise('orange', 0.75, progress=lambda t: t * 3), 'purple'], stop=0.25)
 
 
In 1.0, we simplified things greatly. Since interpolate and steps now require that all colors must be in the input list if they are to be considered for interpolation, we can process them all in a consistent and more intuitive manner.
 
As before, steps and interpolate allow you to set function parameters to generally control the behavior for the entire interpolation across all colors. You can also still add easing functions via progress which will also affect the entire interpolation by default, but now you can inject easing functions directly between colors which will only be applied between those two colors.
 
 
 
>>> Color.interpolate(['red', lambda t: t * 3, 'orange', 'purple'])
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x112d89550>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992ae5690>
 
 
  
 
     Gamut: srgb 
 
 
You can also directly wrap any color in the list with stop to change the color stop position. Since the first color is now treated like all the other colors, there is no need for the stop function parameter either.
 
 
 
>>> from coloraide import stop
 >>> Color.interpolate([stop('red', 0.25), stop('orange', 0.75), 'purple'])
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x112db3bd0>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992aeb510>
 
 
  
 
     Gamut: srgb 
 
 
And if you are familiar with CSS color hinting, which essentially alters the midpoint between two color stops, we've added a hint function which takes a new relative midpoint and returns a midpoint easing function which essentially acts the same as CSS interpolation hints.
 
 
 
>>> from coloraide import hint
 >>> Color.interpolate(['yellow', 'pink'])
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x112d89bd0>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992a76190>
 >>> Color.interpolate(['yellow', hint(0.25), 'pink'])
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x112d65e10>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992acb450>
 
 
  
 
     Gamut: srgb 
 
 
All of this makes for a less confusing experience when using interpolation. Additionally, all of the changes simplified the logic allowing us to even add a new interpolation method!
 
 
 
>>> Color.interpolate(['red', 'blue', 'green', 'orange'], method='bspline')
-<coloraide.interpolate.bspline.InterpolatorBSpline object at 0x112d82ed0>
+<coloraide.interpolate.bspline.InterpolatorBSpline object at 0x7fa992bc6b90>
 
 
  
 
     Gamut: srgb 
 
 
Color Space Filters
 
In the beginning, the Color space object was created with a naive filtering system. It added a little overhead, but the real issue was the fact that it only filtered inputs through new, match, and through normal instantiation. It did not filter through almost any other method that accepted inputs. It was decided to leave color filtering up to the user.
 
 
 
>>> c = Color('display-p3', [1, 1, 0])
 >>> try:
 ...     if c.space() not in ['srgb', 'hsl', 'hwb']:
@@ -132,4 +132,4 @@
     print(e)  
 
 
     Gamut: srgb 
 
  
 
  Last update: March 7, 2023  
  
 
 
  
  
 
 
 
         
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  Last update: March 7, 2023
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Skip to content

Advanced Topics

Colors are complicated, and sometimes it may not be understood why colors or color transformations yield the results that they do. Here we'd like to cover more advanced or specific topics that don't fit well in existing topics or are too verbose to be included elsewhere.

Round Trip Accuracy

In general, ColorAide is careful to provide good round trip conversions where practical. What this means is that we try to maintain a high level of accuracy so that when a color is converted to a different color and back that it will be very close, if not exactly, the same.

In general, we are able to keep decent round tripping by not not clipping values during conversion and maintaining as high a level of precision as we can, but there are some cases where the high level of round trip accuracy cannot be maintained, or even at all. There are even reasons where we willfully choose to sacrifice some accuracy for convenience in order to uphold intuitive expectations for the user.

If you are a color scientist or you work in certain industries, there are definite reasons to uphold accuracy at all costs, but sometimes, you just want the colors to do the what you expect them to do. ColorAide tries to live in the space between. We try to provide accurate color round tripping except when it comes at the cost of practicality.

Limitations of The Color Space

One situation that can affect round tripping is when one color model cannot properly handle a color due to its gamut being beyond the conversion algorithm's capabilities.

Consider a wide gamut, HDR color space like Jzazbz. Jzazbz is an unbounded color space with plenty of headroom for HDR. Now, let's compare it to HSLuv, an SDR color space derived from the Luv color space and confined to the sRGB gamut. It is essentially a more perceptually uniform version of HSL, but the algorithm specifically requires lightness to be clamped to the SDR range. If we convert an HDR color from Jzazbz to HSLuv, round trip will be broken as the color space simply does not support the HDR range.

>>> jz = Color('color(--jzazbz 0.25 0 0)')
+ Advanced Topics - ColorAide Documentation      
  
 
  
 
  
 
 
 
 
  
 
 
 
 
 
  
 
 
 
 
 
Advanced Topics
 
Colors are complicated, and sometimes it may not be understood why colors or color transformations yield the results that they do. Here we'd like to cover more advanced or specific topics that don't fit well in existing topics or are too verbose to be included elsewhere.
 
Round Trip Accuracy
 
In general, ColorAide is careful to provide good round trip conversions where practical. What this means is that we try to maintain a high level of accuracy so that when a color is converted to a different color and back that it will be very close, if not exactly, the same.
 
In general, we are able to keep decent round tripping by not not clipping values during conversion and maintaining as high a level of precision as we can, but there are some cases where the high level of round trip accuracy cannot be maintained, or even at all. There are even reasons where we willfully choose to sacrifice some accuracy for convenience in order to uphold intuitive expectations for the user.
 
If you are a color scientist or you work in certain industries, there are definite reasons to uphold accuracy at all costs, but sometimes, you just want the colors to do the what you expect them to do. ColorAide tries to live in the space between. We try to provide accurate color round tripping except when it comes at the cost of practicality.
 
Limitations of The Color Space
 
One situation that can affect round tripping is when one color model cannot properly handle a color due to its gamut being beyond the conversion algorithm's capabilities.
 
Consider a wide gamut, HDR color space like Jzazbz. Jzazbz is an unbounded color space with plenty of headroom for HDR. Now, let's compare it to HSLuv, an SDR color space derived from the Luv color space and confined to the sRGB gamut. It is essentially a more perceptually uniform version of HSL, but the algorithm specifically requires lightness to be clamped to the SDR range. If we convert an HDR color from Jzazbz to HSLuv, round trip will be broken as the color space simply does not support the HDR range.
 
 
 
  
>>> jz = Color('color(--jzazbz 0.25 0 0)')
 >>> jz
 color(--jzazbz 0.25 0 0 / 1)
 >>> hsluv = jz.convert('hsluv')
@@ -18,9 +18,9 @@
 
 
  
 
     Gamut: srgb 
 
 
Special Handling: Cylindrical Spaces
 
Sometimes, round trip accuracy can be compromised further for practical reasons. A common case where we make compromises is with cylindrical color models.
 
ColorAide aims to make colors easy to use, but the one case that can frustrate users is interpolating with an achromatic color using a cylindrical color space.
 
Achromatic colors do not have a hue, but all conversions end up yielding something for hue, even it it has no practical meaning. This can cause odd color shifts when interpolating with an achromatic color. In order to get logical results when doing interpolation, we detect when a color is achromatic (or very close to achromatic) and set the hues to undefined. This helps us to identify achromatic cases and helps us to prevent weird color shifts when interpolating between achromatic colors. Only if a user manually defines a hue do we respect it.
 
 
 
>>> Color.interpolate(['lch(75 100 180)', 'lch(75 0 0)'], space='lch')
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x1128f78d0>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992b6ffd0>
 >>> Color.interpolate(['lch(75 100 180)', 'lch(75 0 none)'], space='lch')
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x112908610>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992ba0f10>
 
 
  
 
     Gamut: srgb 
 
 
Because of floating point issues, conversions to cylindrical color spaces do not always satisfy the requirements to be recognized as achromatic colors.
 
As an example, HSL colors are achromatic when the sRGB color it is derived from has all color channels equal to each other. Let's say we convert the color darkgray to the XYZ D65 color space and then back again. We can see that what was once a color with all color channels equal to each other is now a color that has color channels very nearly equal to each other.
 
 
 
>>> c1 = Color('darkgray')
 >>> c1[:-1]
@@ -66,10 +66,10 @@
 >>> gray.normalize()
 color(--cam16-jmh 50 1.5823 none / 1)
 >>> Color.interpolate([gray, 'green'], space='cam16-jmh')
-<coloraide.interpolate.linear.InterpolatorLinear object at 0x1128756d0>
+<coloraide.interpolate.linear.InterpolatorLinear object at 0x7fa992b8ea10>
 
 
  
 
     Gamut: srgb 
 
  
 
  Last update: June 11, 2023  
  
 
 
  
  
 
 
 
         
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  Last update: June 11, 2023
\ No newline at end of file diff --git a/api/index.html b/api/index.html index 0f7c5eecd..4ee6e45b7 100644 --- a/api/index.html +++ b/api/index.html @@ -1,4 +1,4 @@ - Color API - ColorAide Documentation

Color API

coloraide.NaN

Description
NaN is a convenience constant for float('nan').
Import path

NaN is imported from the coloraide library:

from coloraide import NaN
+ Color API - ColorAide Documentation      
  
 
  
 
  
 
 
 
 
  
 
 
 
 
 
  
 
 
 
 
 
Color API
 
coloraide.NaN
 
 
Description
 
NaN is a convenience constant for float('nan').
 
Import path
 
 
NaN is imported from the coloraide library:
 
from coloraide import NaN
 
 
 
 
coloraide.stop
 
class stop:
     def __init__(
         self,
@@ -399,7 +399,7 @@
     coords: VectorLike
 ) -> Vector:
     ...
-
 
 
Description
 
     
  • Converts a 2D chromaticity pair from one chromaticity space to another. Supported spaces are xy-1931, uv-1960, and uv-1976.
    •  
 
Parameters
 
     
  •  
      
     Parameters Defaults Description 
           
     cspace1  Initial chromaticity space for the given coordinates. 
     
     cspace2  Target chromaticity space for the given coordinates. 
     
     coords  The 2D chromaticity coordinates to convert. 
          
     
    •  
 
Return
 
     
  • Returns the converted 2D chromaticity coordinates.
    •  
  
 
 
  Last update: September 10, 2023  
  
 
 
  
  
 
 
 
         
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+ 
 
  Last update: September 25, 2023
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color(display-p3 1 0 0)")?o:"srgb"}catch(t){e="srgb"}var i=null,a=!1,s="",l="",c={},u=/.*?_(\d+)$/,d=!1,p="",f=!1,m=/^( {1,4}|\t)/,_="\n_P='
{}
'\n_O='swatch'\n_N='transparent'\n_M='pycon'\n_L='playground'\n_K='gamut'\n_J='color'\n_I='{} {}%'\n_H='exceptions'\n_G='highlight'\n_F='class'\n_E='eval'\n_D=''\n_C=None\n_B=True\n_A=False\nimport xml.etree.ElementTree as Etree\nfrom collections.abc import Sequence,Mapping\nfrom collections import namedtuple\nimport ast\nfrom io import StringIO\nimport sys,re\nfrom functools import partial\nfrom pygments import highlight\nfrom pygments.lexers import get_lexer_by_name\nfrom pygments.formatters import find_formatter_class\nfrom coloraide import Color\nfrom coloraide.interpolate import Interpolator,normalize_domain\ntry:from coloraide_extras.everything import ColorAll\nexcept ImportError:from coloraide.everything import ColorAll\nPY310=(3,10)<=sys.version_info\nPY311=(3,11)<=sys.version_info\nWEBSPACE='srgb'\nAST_BLOCKS=ast.If,ast.For,ast.While,ast.Try,ast.With,ast.FunctionDef,ast.ClassDef,ast.AsyncFor,ast.AsyncWith,ast.AsyncFunctionDef\nif PY310:AST_BLOCKS=AST_BLOCKS+(ast.Match,)\nif PY311:AST_BLOCKS=AST_BLOCKS+(ast.TryStar,)\nRE_INIT=re.compile('^\\\\s*#\\\\s*pragma:\\\\s*init\\\\n(.*?)#\\\\s*pragma:\\\\s*init\\\\n',re.DOTALL|re.I)\nRE_COLOR_START=re.compile('(?i)(?:\\\\b(?\\n
\\n{results}\\n
\\n
\\n
\\n\\n
\\n
\\n
\\n
\\n\\n\\n\\n\\nGamut: {gamut}\\n
\\n'\ncode_id=0\nclass Ramp(list):0\nclass Steps(list):0\nclass Row(list):0\nclass ColorTuple(namedtuple('ColorTuple',['string',_J])):0\nclass AtomicString(str):0\nclass Break(Exception):0\nclass Continue(Exception):0\nHtmlRow=Row\nHtmlSteps=Steps\nHtmlGradient=Ramp\ndef _escape(txt):txt=txt.replace('&','&');txt=txt.replace('<','<');txt=txt.replace('>','>');return txt\nclass StreamOut:\n\tdef __init__(self):self.old=sys.stdout;self.stdout=StringIO();sys.stdout=self.stdout\n\tdef read(self):\n\t\tvalue=''\n\t\tif self.stdout is not _C:self.stdout.flush();value=self.stdout.getvalue();self.stdout=StringIO();sys.stdout=self.stdout\n\t\treturn value\n\tdef __enter__(self):return self\n\tdef __exit__(self,type,value,traceback):sys.stdout=self.old;self.old=_C;self.stdout=_C\ndef get_colors(result):\n\tdomain=[]\n\tif isinstance(result,AtomicString):yield find_colors(result)\n\tif isinstance(result,Row):yield Row([ColorTuple(c.to_string(fit=_A),c.clone())if isinstance(c,Color)else ColorTuple(c,ColorAll(c))for c in result])\n\telif isinstance(result,(Steps,Ramp)):t=type(result);yield t([c.clone()if isinstance(c,Color)else ColorAll(c)for c in result])\n\telif isinstance(result,Color):yield[ColorTuple(result.to_string(fit=_A),result.clone())]\n\telif isinstance(result,Interpolator):\n\t\tif result._domain:domain=result._domain;result.domain(normalize_domain(result._domain))\n\t\tgrad=Ramp(result.steps(steps=5,max_delta_e=2.3))\n\t\tif domain:result._domain=domain;domain=[]\n\t\tyield grad\n\telif isinstance(result,str):\n\t\ttry:yield[ColorTuple(result,ColorAll(result))]\n\t\texcept Exception:pass\n\telif isinstance(result,(list,tuple)):\n\t\tfor r in result:\n\t\t\tfor x in get_colors(r):\n\t\t\t\tif x:yield x\ndef find_colors(text):\n\tcolors=[]\n\tfor m in RE_COLOR_START.finditer(text):\n\t\tstart=m.start();mcolor=ColorAll.match(text,start=start)\n\t\tif mcolor is not _C:colors.append(ColorTuple(text[mcolor.start:mcolor.end],mcolor.color))\n\treturn colors\ndef evaluate_with(node,g,loop,index=0):\n\tl=len(node.items)-1;withitem=node.items[index]\n\tif withitem.context_expr:\n\t\twith eval(compile(ast.Expression(withitem.context_expr),_D,_E),g)as w:\n\t\t\tg[withitem.optional_vars.id]=w\n\t\t\tif index=l2-1 or l1==l2:\n\t\t\t\tfor (e,p) in enumerate(node.patterns[:-1]if star else node.patterns):\n\t\t\t\t\tif not compare_match(s[e],g,p):return _A\n\t\t\t\tif star and node.patterns[-1].name:g[node.patterns[-1].name]=s[l2-1:]\n\t\t\t\treturn _B\n\t\treturn _A\n\telif isinstance(node,ast.MatchMapping):\n\t\tif isinstance(s,Mapping):\n\t\t\tstar=node.rest;l1,l2=len(s),len(node.patterns)\n\t\t\tif star and l1>=l2 or l1==l2:\n\t\t\t\tkeys=set()\n\t\t\t\tfor (kp,vp) in zip(node.keys,node.patterns):\n\t\t\t\t\tkey=eval(compile(ast.Expression(kp),_D,_E),g);keys.add(key)\n\t\t\t\t\tif key not in s:return _A\n\t\t\t\t\tif not compare_match(s[key],g,vp):return _A\n\t\t\t\tif star:g[star]={k:v for(k,v)in s.items()if k not in keys}\n\t\t\t\treturn _B\n\t\treturn _A\n\telif isinstance(node,ast.MatchClass):\n\t\tname=g.get(node.cls.id,_C)\n\t\tif name is _C:raise NameError(\"name '{}' is not defined\".format(node.cls.id))\n\t\tif not isinstance(s,name):return _A\n\t\tma=getattr(s,'__match_args__',());l1=len(ma);l2=len(node.patterns)\n\t\tif l1>> '+line\n\t\t\telse:stmt[i]='... '+line\n\t\tcommand+=A.join(stmt)\n\t\tif isinstance(node,AST_BLOCKS):command+='\\n... '\n\t\ttry:\n\t\t\twith StreamOut()as s:\n\t\t\t\tfor x in evaluate(node,g):\n\t\t\t\t\tresult.append(x);text=s.read()\n\t\t\t\t\tif text:result.append(AtomicString(text))\n\t\t\t\tconsole+=command\n\t\texcept Exception as e:\n\t\t\tif no_except:\n\t\t\t\tif not inline:from pymdownx.superfences import SuperFencesException;raise SuperFencesException from e\n\t\t\t\telse:from pymdownx.inlinehilite import InlineHiliteException;raise InlineHiliteException from e\n\t\t\timport traceback;console+='{}\\n{}'.format(command,traceback.format_exc());break\n\t\tresult_text=A\n\t\tfor r in result:\n\t\t\tif r is _C:continue\n\t\t\tfor clist in get_colors(r):\n\t\t\t\tif clist:colors.append(clist)\n\t\t\tresult_text+='{}{}'.format(repr(r)if isinstance(r,str)and not isinstance(r,AtomicString)else str(r),A if not isinstance(r,AtomicString)else'')\n\t\tconsole+=result_text\n\treturn console,colors\ndef colorize(src,lang,**options):HtmlFormatter=find_formatter_class('html');lexer=get_lexer_by_name(lang,**options);formatter=HtmlFormatter(cssclass=_G,wrapcode=_B);return highlight(src,lexer,formatter).strip()\ndef color_command_validator(language,inputs,options,attrs,md):\n\tvalid_inputs={_H,'play','wheel'}\n\tfor (k,v) in inputs.items():\n\t\tif k in valid_inputs:options[k]=_B;continue\n\t\tattrs[k]=v\n\treturn _B\ndef _color_command_console(colors,gamut=WEBSPACE):\n\tB=' ';A='
{}
';el='';bar=_A;values=[]\n\tfor item in colors:\n\t\tis_grad=isinstance(item,HtmlGradient);is_steps=isinstance(item,Steps)\n\t\tif is_grad or is_steps:\n\t\t\tcurrent=total=percent=last=0\n\t\t\tif isinstance(item,Steps):total=len(item);percent=100/total;current=percent\n\t\t\tif bar:el+=A.format(B.join(values));values=[]\n\t\t\tsub_el1='
{}
';style='--swatch-stops: ';stops=[]\n\t\t\tfor (e,color) in enumerate(item):\n\t\t\t\tcolor.fit(gamut);color_str=color.convert(gamut).to_string()\n\t\t\t\tif current:\n\t\t\t\t\tif is_steps:stops.append(_I.format(color_str,str(last)));stops.append(_I.format(color_str,str(current)))\n\t\t\t\t\telse:stops.append(color_str)\n\t\t\t\t\tlast=current\n\t\t\t\t\tif e'.format(style);el+=sub_el1.format(sub_el2);bar=_A\n\t\telse:\n\t\t\tis_row=_A\n\t\t\tif isinstance(item,Row):\n\t\t\t\tis_row=_B\n\t\t\t\tif bar and values:el+=A.format(B.join(values));values=[]\n\t\t\t\tbar=_A\n\t\t\tbar=_B\n\t\t\tfor color in item:\n\t\t\t\tbase_classes=_O\n\t\t\t\tif not color.color.in_gamut(gamut):base_classes+=' out-of-gamut'\n\t\t\t\tcolor.color.fit(gamut);srgb=color.color.convert(gamut);value1=srgb.to_string(alpha=_A);value2=srgb.to_string();style='--swatch-stops: {} 50%, {} 50%'.format(value1,value2);title=color.string;classes=base_classes;c=''.format(style=style);c='{color}'.format(classes=classes,color=c,title=title);values.append(c)\n\t\t\tif is_row and values:el+=A.format(B.join(values));values=[];bar=_A\n\tif bar:el+=A.format(B.join(values));values=[]\n\treturn el\ndef _color_command_formatter(src='',language='',class_name=_C,options=_C,md='',init='',**kwargs):\n\tC='';B='formatter';A='fenced_code_block';global code_id;from pymdownx.superfences import SuperFencesException;gamut=kwargs.get(_K,WEBSPACE);wheel=options.get('wheel',_A);play=options.get('play',_A)if options is not _C else _A\n\tif not play and language==_L:play=_B\n\tif not play:return md.preprocessors[A].extension.superfences[0][B](src=src,class_name=class_name,language='py',md=md,options=options,**kwargs)\n\ttry:\n\t\tif wheel:\n\t\t\tgamut='srgb';exceptions=options.get(_H,_A)if options is not _C else _A;_,colors=execute(src.strip(),not exceptions,init=init);l=len(colors)\n\t\t\tif l not in(12,24,48):raise SuperFencesException('Color wheel requires either 12, 24, or 48 colors')\n\t\t\tcolors=[c[0].color for c in colors]\n\t\t\tif l==12:freq=4;offset=6\n\t\t\telif l==24:freq=8;offset=12\n\t\t\telse:freq=16;offset=24\n\t\t\tprimary=list(reversed(colors[::freq]));secondary=list(reversed(colors[offset::freq]+[colors[offset//3]]));tertiary=list(reversed(colors[::offset//6]));color_rings=[primary,secondary,tertiary];extra_rings_start='';extra_rings_end=''\n\t\t\tif l>12:extra_rings_start='
';extra_rings_end+=C;color_rings.append(list(reversed(colors[::offset//12])))\n\t\t\tif l>24:extra_rings_start='
'+extra_rings_start;extra_rings_end+=C;color_rings.append(list(reversed(colors)))\n\t\t\tcolor_stops=''\n\t\t\tfor (i,colors) in enumerate(color_rings,1):\n\t\t\t\ttotal=len(colors);percent=100/total;current=percent;last=-1;stops=[]\n\t\t\t\tfor (e,color) in enumerate(colors):\n\t\t\t\t\tcolor.fit(gamut);color_str=color.convert(gamut).to_string()\n\t\t\t\t\tif current:\n\t\t\t\t\t\tstops.append(_I.format(color_str,str(last)));stops.append(_I.format(color_str,str(current)));last=current\n\t\t\t\t\t\tif e
{}
'.format(colorize(traceback.format_exc(),_M))\n\treturn el\ndef live_color_command_formatter(init='',gamut=WEBSPACE):return partial(_live_color_command_formatter,init=init,gamut=gamut)\ndef live_color_command_validator(language,inputs,options,attrs,md):value=color_command_validator(language,inputs,options,attrs,md);options[_H]=_B;return value\ndef render_console(*args,**kwargs):\n\tC='.swatch-bar';B='code';A='id_num';from js import document;gamut=kwargs.get(_K,WEBSPACE)\n\ttry:\n\t\tinputs=document.getElementById('__playground-inputs_{}'.format(globals()[A]));results=document.getElementById('__playground-results_{}'.format(globals()[A]));footer=document.querySelector('#__playground_{} .gamut'.format(globals()[A]));result=live_color_command_formatter(LIVE_INIT,gamut)(inputs.value);temp=document.createElement('div');temp.innerHTML=result;cmd=results.querySelector('.color-command')\n\t\tfor el in cmd.querySelectorAll(C):el.remove()\n\t\tfor el in temp.querySelectorAll(C):cmd.insertBefore(el,cmd.lastChild)\n\t\tfooter.innerHTML='Gamut: {}'.format(gamut);pre=cmd.querySelector('pre');pre.replaceChild(temp.querySelector(B),pre.querySelector(B));temp.remove();scrollingElement=results.querySelector(B);scrollingElement.scrollTop=scrollingElement.scrollHeight\n\texcept Exception as e:print(e)\ndef render_notebook(*args,**kwargs):\n\tM='diagram';L='pymdownx.blocks.tab';K='pymdownx.blocks.admonition';J='pymdownx.arithmatex';I='pymdownx.keys';H='pymdownx.magiclink';G='pymdownx.inlinehilite';F='pymdownx.superfences';E='markdown.extensions.smarty';D='markdown.extensions.toc';C='validator';B='format';A='name';import markdown;from pymdownx import slugs,superfences;from js import document;gamut=kwargs.get(_K,WEBSPACE);text=globals().get('content','');extensions=[D,E,'pymdownx.betterem','markdown.extensions.attr_list','markdown.extensions.tables','markdown.extensions.abbr','markdown.extensions.footnotes',F,'pymdownx.highlight',G,H,'pymdownx.tilde','pymdownx.caret','pymdownx.smartsymbols','pymdownx.emoji','pymdownx.escapeall','pymdownx.tasklist','pymdownx.striphtml','pymdownx.snippets',I,'pymdownx.saneheaders',J,K,'pymdownx.blocks.details','pymdownx.blocks.html','pymdownx.blocks.definition',L];extension_configs={D:{'slugify':slugs.slugify(case='lower'),'permalink':''},E:{'smart_quotes':_A},J:{'generic':_B,'block_tag':'pre'},F:{'preserve_tabs':_B,'custom_fences':[{A:M,_F:M,B:superfences.fence_code_format},{A:_L,_F:_L,B:color_command_formatter(LIVE_INIT,gamut),C:live_color_command_validator},{A:'python',_F:_G,B:color_command_formatter(LIVE_INIT,gamut),C:live_color_command_validator},{A:'py',_F:_G,B:color_command_formatter(LIVE_INIT,gamut),C:live_color_command_validator}]},G:{'custom_inline':[{A:_J,_F:_J,B:color_formatter(LIVE_INIT,gamut)}]},H:{'repo_url_shortener':_B,'repo_url_shorthand':_B,'social_url_shorthand':_B,'user':'facelessuser','repo':'coloraide'},I:{'separator':'＋'},L:{'alternate_style':_B},K:{'types':['new','settings','note','abstract','info','tip','success','question','warning','failure','danger','bug','example','quote']}}\n\ttry:html=markdown.markdown(text,extensions=extensions,extension_configs=extension_configs)\n\texcept Exception:html=''\n\tcontent=document.getElementById('__notebook-render');content.innerHTML=html\n\naction = globals().get('action')\nif action == 'notebook':\n callback = render_notebook\nelse:\n callback = render_console\n\ncallback(gamut='".concat(e,"')\n"),g=window.colorNotebook.defaultPlayground,h=function(t){return"\n/// new | This notebook is powered by [Pyodide](https://github.com/pyodide/pyodide). Learn more [here](?notebook=https://gist.githubusercontent.com/facelessuser/7c819668b5eb248ecb9ac608d91391cf/raw/playground.md). Preview, convert, interpolate, and explore!\n///\n\n````````py play\n".concat(t,"\n````````\n")},y=!1,v=!1,w=function(){f=!0,window.document.dispatchEvent(new Event("DOMContentLoaded",{bubbles:!0,cancelable:!0})),window.document$.next()},x=function(t){var e=window.pageXOffset||(document.documentElement||document.body.parentNode||document.body).scrollLeft,n=window.pageYOffset||(document.documentElement||document.body.parentNode||document.body).scrollTop;t.style.height="5px",t.style.height="".concat(t.scrollHeight,"px"),window.scrollTo(e,n)},b=function(t){return encodeURIComponent(t).replace(/[.!'()*]/g,(function(t){return"%".concat(t.charCodeAt(0).toString(16))}))},E=function(){var e=n(t().mark((function e(n){var o;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return(o=document.getElementById("__playground-inputs_".concat(n))).setAttribute("readonly",""),i.globals.set("id_num",n),i.globals.set("action","playground"),t.next=6,i.runPythonAsync(_);case 6:o.removeAttribute("readonly");case 7:case"end":return t.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),k=function(){var e=n(t().mark((function e(n){var o;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return i.globals.set("content",n),i.globals.set("action","notebook"),t.next=4,i.runPythonAsync(_);case 4:(o=document.getElementById("__notebook-input"))&&(s=n,o.value=n),window.location.hash&&(window.location.href=window.location.href);case 7:case"end":return t.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),L=function(){var e=n(t().mark((function e(n){var o,a,s,l,c,u;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(d){t.next=5;break}return d=!0,t.next=4,loadPyodide({indexURL:"https://cdn.jsdelivr.net/pyodide/v0.23.4/full/",fullStdLib:!1});case 4:i=t.sent;case 5:if((y||!n)&&(v||n)){t.next=14;break}o="".concat(window.location.origin,"/").concat(window.location.pathname.split("/")[1],"/playground/"),a=n?window.colorNotebook.notebookWheels:window.colorNotebook.playgroundWheels,s=[],n?y=!0:v=!0,l=r(a);try{for(l.s();!(c=l.n()).done;)(u=c.value).endsWith(".whl")?s.push(o+u):s.push(u)}catch(t){l.e(t)}finally{l.f()}return t.next=14,i.loadPackage(s);case 14:case"end":return t.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),S=function(t,e,n){var o=null==e?"Loading...":e,r=n?"loading relative":"loading",i=document.createElement("template");i.innerHTML='
').concat(o,"
"),t.appendChild(i.content.firstChild)},A=function(t){t.querySelector(".loading")&&t.removeChild(t.querySelector(".loading"))},C=function(t){if("Tab"===t.key){var e=t.target;if(e.selectionStart!==e.selectionEnd){t.preventDefault();for(var n=e.selectionStart,o=e.selectionEnd,r=e.value;n>0&&"\n"!==r[n-1];)n--;for(;o>0&&"\n"!==r[o-1]&&o2e3?alert("Code must be small enough to generate a shareable URL under 2000 characters!"):navigator.clipboard.writeText(l).then(n(t().mark((function e(){return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:alert("Link copied to clipboard :)");case 1:case"end":return t.stop()}}),e)}))),n(t().mark((function e(){return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:alert("Failed to copy link clipboard!");case 1:case"end":return t.stop()}}),e)}))));case 7:case"end":return e.stop()}}),e)})))),p.addEventListener("click",n(t().mark((function e(){var n,r;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(!a){t.next=2;break}return t.abrupt("return");case 2:return a=!0,n=s.querySelector("form"),S(n,null,!0),(r=document.querySelectorAll(".playground .playground-run"))&&r.forEach((function(t){t.setAttribute("disabled","")})),t.next=9,L(!1);case 9:return i.querySelector("code").innerHTML="",t.next=12,E(o);case 12:r&&r.forEach((function(t){t.removeAttribute("disabled")})),A(n),s.classList.toggle("hidden"),i.classList.toggle("hidden"),l.classList.toggle("hidden"),d.classList.toggle("hidden"),p.classList.toggle("hidden"),f.classList.toggle("hidden"),delete c[o],a=!1;case 22:case"end":return t.stop()}}),e)})))),f.addEventListener("click",(function(){r.value=c[o],delete c[o],s.classList.toggle("hidden"),i.classList.toggle("hidden"),l.classList.toggle("hidden"),d.classList.toggle("hidden"),p.classList.toggle("hidden"),f.classList.toggle("hidden")}))}));case 4:case"end":return e.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),I=function(){var e=n(t().mark((function e(o,r){var i,a,s,u,d,f,m,_,y;return t().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(c={},!window.location.pathname.endsWith("/playground/")){e.next=32;break}if(i=r||new URLSearchParams(window.location.search),a="Loading Pyodide...",s="Loading Notebook...",u=i.has("source")?i.get("source"):i.get("notebook"),d=document.querySelector("article"),null===u||!u.trim()){e.next=16;break}return S(d,a),e.next=11,L(!0);case 11:A(d),S(d,s);try{f=i.has("source")?"source":"notebook",p=decodeURIComponent(i.toString()),m="",_=new XMLHttpRequest,l=u,_.open("GET",u,!0),_.onload=n(t().mark((function e(){return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return 4===_.readyState&&200===_.status&&(m=_.responseText),"source"===f&&(m=h(m)),t.next=4,k(m);case 4:return t.next=6,B(o);case 6:A(d),w();case 8:case"end":return t.stop()}}),e)}))),_.send()}catch(t){}e.next=30;break;case 16:return 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'\ncode_id=0\nclass Ramp(list):0\nclass Steps(list):0\nclass Row(list):0\nclass ColorTuple(namedtuple('ColorTuple',['string',_J])):0\nclass AtomicString(str):0\nclass Break(Exception):0\nclass Continue(Exception):0\nHtmlRow=Row\nHtmlSteps=Steps\nHtmlGradient=Ramp\ndef _escape(txt):txt=txt.replace('&','&');txt=txt.replace('<','<');txt=txt.replace('>','>');return txt\nclass StreamOut:\n\tdef __init__(self):self.old=sys.stdout;self.stdout=StringIO();sys.stdout=self.stdout\n\tdef read(self):\n\t\tvalue=''\n\t\tif self.stdout is not _C:self.stdout.flush();value=self.stdout.getvalue();self.stdout=StringIO();sys.stdout=self.stdout\n\t\treturn value\n\tdef __enter__(self):return self\n\tdef __exit__(self,type,value,traceback):sys.stdout=self.old;self.old=_C;self.stdout=_C\ndef get_colors(result):\n\tdomain=[]\n\tif isinstance(result,AtomicString):yield find_colors(result)\n\tif isinstance(result,Row):yield Row([ColorTuple(c.to_string(fit=_A),c.clone())if isinstance(c,Color)else ColorTuple(c,ColorAll(c))for c in result])\n\telif isinstance(result,(Steps,Ramp)):t=type(result);yield t([c.clone()if isinstance(c,Color)else ColorAll(c)for c in result])\n\telif isinstance(result,Color):yield[ColorTuple(result.to_string(fit=_A),result.clone())]\n\telif isinstance(result,Interpolator):\n\t\tif result._domain:domain=result._domain;result.domain(normalize_domain(result._domain))\n\t\tgrad=Ramp(result.steps(steps=5,max_delta_e=2.3))\n\t\tif domain:result._domain=domain;domain=[]\n\t\tyield grad\n\telif isinstance(result,str):\n\t\ttry:yield[ColorTuple(result,ColorAll(result))]\n\t\texcept Exception:pass\n\telif isinstance(result,(list,tuple)):\n\t\tfor r in result:\n\t\t\tfor x in get_colors(r):\n\t\t\t\tif x:yield x\ndef find_colors(text):\n\tcolors=[]\n\tfor m in RE_COLOR_START.finditer(text):\n\t\tstart=m.start();mcolor=ColorAll.match(text,start=start)\n\t\tif mcolor is not _C:colors.append(ColorTuple(text[mcolor.start:mcolor.end],mcolor.color))\n\treturn colors\ndef evaluate_with(node,g,loop,index=0):\n\tl=len(node.items)-1;withitem=node.items[index]\n\tif withitem.context_expr:\n\t\twith eval(compile(ast.Expression(withitem.context_expr),_D,_E),g)as w:\n\t\t\tg[withitem.optional_vars.id]=w\n\t\t\tif index=l2-1 or l1==l2:\n\t\t\t\tfor(e,p)in enumerate(node.patterns[:-1]if star else node.patterns):\n\t\t\t\t\tif not compare_match(s[e],g,p):return _A\n\t\t\t\tif star and node.patterns[-1].name:g[node.patterns[-1].name]=s[l2-1:]\n\t\t\t\treturn _B\n\t\treturn _A\n\telif isinstance(node,ast.MatchMapping):\n\t\tif isinstance(s,Mapping):\n\t\t\tstar=node.rest;l1,l2=len(s),len(node.patterns)\n\t\t\tif star and l1>=l2 or l1==l2:\n\t\t\t\tkeys=set()\n\t\t\t\tfor(kp,vp)in zip(node.keys,node.patterns):\n\t\t\t\t\tkey=eval(compile(ast.Expression(kp),_D,_E),g);keys.add(key)\n\t\t\t\t\tif key not in s:return _A\n\t\t\t\t\tif not compare_match(s[key],g,vp):return _A\n\t\t\t\tif star:g[star]={k:v for(k,v)in s.items()if k not in keys}\n\t\t\t\treturn _B\n\t\treturn _A\n\telif isinstance(node,ast.MatchClass):\n\t\tname=g.get(node.cls.id,_C)\n\t\tif name is _C:raise NameError(\"name '{}' is not defined\".format(node.cls.id))\n\t\tif not isinstance(s,name):return _A\n\t\tma=getattr(s,'__match_args__',());l1=len(ma);l2=len(node.patterns)\n\t\tif l1>> '+line\n\t\t\telse:stmt[i]='... '+line\n\t\tcommand+=A.join(stmt)\n\t\tif isinstance(node,AST_BLOCKS):command+='\\n... '\n\t\ttry:\n\t\t\twith StreamOut()as s:\n\t\t\t\tfor x in evaluate(node,g):\n\t\t\t\t\tresult.append(x);text=s.read()\n\t\t\t\t\tif text:result.append(AtomicString(text))\n\t\t\t\tconsole+=command\n\t\texcept Exception as e:\n\t\t\tif no_except:\n\t\t\t\tif not inline:from pymdownx.superfences import SuperFencesException;raise SuperFencesException from e\n\t\t\t\telse:from pymdownx.inlinehilite import InlineHiliteException;raise InlineHiliteException from e\n\t\t\timport traceback;console+='{}\\n{}'.format(command,traceback.format_exc());break\n\t\tresult_text=A\n\t\tfor r in result:\n\t\t\tif r is _C:continue\n\t\t\tfor clist in get_colors(r):\n\t\t\t\tif clist:colors.append(clist)\n\t\t\tresult_text+='{}{}'.format(repr(r)if isinstance(r,str)and not isinstance(r,AtomicString)else str(r),A if not isinstance(r,AtomicString)else'')\n\t\tconsole+=result_text\n\treturn console,colors\ndef colorize(src,lang,**options):HtmlFormatter=find_formatter_class('html');lexer=get_lexer_by_name(lang,**options);formatter=HtmlFormatter(cssclass=_G,wrapcode=_B);return highlight(src,lexer,formatter).strip()\ndef color_command_validator(language,inputs,options,attrs,md):\n\tvalid_inputs={_H,'play','wheel'}\n\tfor(k,v)in inputs.items():\n\t\tif k in valid_inputs:options[k]=_B;continue\n\t\tattrs[k]=v\n\treturn _B\ndef _color_command_console(colors,gamut=WEBSPACE):\n\tB=' ';A='
{}
';el='';bar=_A;values=[]\n\tfor item in colors:\n\t\tis_grad=isinstance(item,HtmlGradient);is_steps=isinstance(item,Steps)\n\t\tif is_grad or is_steps:\n\t\t\tcurrent=total=percent=last=0\n\t\t\tif isinstance(item,Steps):total=len(item);percent=100/total;current=percent\n\t\t\tif bar:el+=A.format(B.join(values));values=[]\n\t\t\tsub_el1='
{}
';style='--swatch-stops: ';stops=[]\n\t\t\tfor(e,color)in enumerate(item):\n\t\t\t\tcolor.fit(gamut);color_str=color.convert(gamut).to_string()\n\t\t\t\tif current:\n\t\t\t\t\tif is_steps:stops.append(_I.format(color_str,str(last)));stops.append(_I.format(color_str,str(current)))\n\t\t\t\t\telse:stops.append(color_str)\n\t\t\t\t\tlast=current\n\t\t\t\t\tif e'.format(style);el+=sub_el1.format(sub_el2);bar=_A\n\t\telse:\n\t\t\tis_row=_A\n\t\t\tif isinstance(item,Row):\n\t\t\t\tis_row=_B\n\t\t\t\tif bar and values:el+=A.format(B.join(values));values=[]\n\t\t\t\tbar=_A\n\t\t\tbar=_B\n\t\t\tfor color in item:\n\t\t\t\tbase_classes=_O\n\t\t\t\tif not color.color.in_gamut(gamut):base_classes+=' out-of-gamut'\n\t\t\t\tcolor.color.fit(gamut);srgb=color.color.convert(gamut);value1=srgb.to_string(alpha=_A);value2=srgb.to_string();style='--swatch-stops: {} 50%, {} 50%'.format(value1,value2);title=color.string;classes=base_classes;c=''.format(style=style);c='{color}'.format(classes=classes,color=c,title=title);values.append(c)\n\t\t\tif is_row and values:el+=A.format(B.join(values));values=[];bar=_A\n\tif bar:el+=A.format(B.join(values));values=[]\n\treturn el\ndef _color_command_formatter(src='',language='',class_name=_C,options=_C,md='',init='',**kwargs):\n\tC='';B='formatter';A='fenced_code_block';global code_id;from pymdownx.superfences import SuperFencesException;gamut=kwargs.get(_K,WEBSPACE);wheel=options.get('wheel',_A);play=options.get('play',_A)if options is not _C else _A\n\tif not play and language==_L:play=_B\n\tif not play:return md.preprocessors[A].extension.superfences[0][B](src=src,class_name=class_name,language='py',md=md,options=options,**kwargs)\n\ttry:\n\t\tif wheel:\n\t\t\tgamut='srgb';exceptions=options.get(_H,_A)if options is not _C else _A;_,colors=execute(src.strip(),not exceptions,init=init);l=len(colors)\n\t\t\tif l not in(12,24,48):raise SuperFencesException('Color wheel requires either 12, 24, or 48 colors')\n\t\t\tcolors=[c[0].color for c in colors]\n\t\t\tif l==12:freq=4;offset=6\n\t\t\telif l==24:freq=8;offset=12\n\t\t\telse:freq=16;offset=24\n\t\t\tprimary=list(reversed(colors[::freq]));secondary=list(reversed(colors[offset::freq]+[colors[offset//3]]));tertiary=list(reversed(colors[::offset//6]));color_rings=[primary,secondary,tertiary];extra_rings_start='';extra_rings_end=''\n\t\t\tif l>12:extra_rings_start='
';extra_rings_end+=C;color_rings.append(list(reversed(colors[::offset//12])))\n\t\t\tif l>24:extra_rings_start='
'+extra_rings_start;extra_rings_end+=C;color_rings.append(list(reversed(colors)))\n\t\t\tcolor_stops=''\n\t\t\tfor(i,colors)in enumerate(color_rings,1):\n\t\t\t\ttotal=len(colors);percent=100/total;current=percent;last=-1;stops=[]\n\t\t\t\tfor(e,color)in enumerate(colors):\n\t\t\t\t\tcolor.fit(gamut);color_str=color.convert(gamut).to_string()\n\t\t\t\t\tif current:\n\t\t\t\t\t\tstops.append(_I.format(color_str,str(last)));stops.append(_I.format(color_str,str(current)));last=current\n\t\t\t\t\t\tif e
{}
'.format(colorize(traceback.format_exc(),_M))\n\treturn el\ndef live_color_command_formatter(init='',gamut=WEBSPACE):return partial(_live_color_command_formatter,init=init,gamut=gamut)\ndef live_color_command_validator(language,inputs,options,attrs,md):value=color_command_validator(language,inputs,options,attrs,md);options[_H]=_B;return value\ndef render_console(*args,**kwargs):\n\tC='.swatch-bar';B='code';A='id_num';from js import document;gamut=kwargs.get(_K,WEBSPACE)\n\ttry:\n\t\tinputs=document.getElementById('__playground-inputs_{}'.format(globals()[A]));results=document.getElementById('__playground-results_{}'.format(globals()[A]));footer=document.querySelector('#__playground_{} .gamut'.format(globals()[A]));result=live_color_command_formatter(LIVE_INIT,gamut)(inputs.value);temp=document.createElement('div');temp.innerHTML=result;cmd=results.querySelector('.color-command')\n\t\tfor el in cmd.querySelectorAll(C):el.remove()\n\t\tfor el in temp.querySelectorAll(C):cmd.insertBefore(el,cmd.lastChild)\n\t\tfooter.innerHTML='Gamut: {}'.format(gamut);pre=cmd.querySelector('pre');pre.replaceChild(temp.querySelector(B),pre.querySelector(B));temp.remove();scrollingElement=results.querySelector(B);scrollingElement.scrollTop=scrollingElement.scrollHeight\n\texcept Exception as e:print(e)\ndef render_notebook(*args,**kwargs):\n\tM='diagram';L='pymdownx.blocks.tab';K='pymdownx.blocks.admonition';J='pymdownx.arithmatex';I='pymdownx.keys';H='pymdownx.magiclink';G='pymdownx.inlinehilite';F='pymdownx.superfences';E='markdown.extensions.smarty';D='markdown.extensions.toc';C='validator';B='format';A='name';import markdown;from pymdownx import slugs,superfences;from js import document;gamut=kwargs.get(_K,WEBSPACE);text=globals().get('content','');extensions=[D,E,'pymdownx.betterem','markdown.extensions.attr_list','markdown.extensions.tables','markdown.extensions.abbr','markdown.extensions.footnotes',F,'pymdownx.highlight',G,H,'pymdownx.tilde','pymdownx.caret','pymdownx.smartsymbols','pymdownx.emoji','pymdownx.escapeall','pymdownx.tasklist','pymdownx.striphtml','pymdownx.snippets',I,'pymdownx.saneheaders',J,K,'pymdownx.blocks.details','pymdownx.blocks.html','pymdownx.blocks.definition',L];extension_configs={D:{'slugify':slugs.slugify(case='lower'),'permalink':''},E:{'smart_quotes':_A},J:{'generic':_B,'block_tag':'pre'},F:{'preserve_tabs':_B,'custom_fences':[{A:M,_F:M,B:superfences.fence_code_format},{A:_L,_F:_L,B:color_command_formatter(LIVE_INIT,gamut),C:live_color_command_validator},{A:'python',_F:_G,B:color_command_formatter(LIVE_INIT,gamut),C:live_color_command_validator},{A:'py',_F:_G,B:color_command_formatter(LIVE_INIT,gamut),C:live_color_command_validator}]},G:{'custom_inline':[{A:_J,_F:_J,B:color_formatter(LIVE_INIT,gamut)}]},H:{'repo_url_shortener':_B,'repo_url_shorthand':_B,'social_url_shorthand':_B,'user':'facelessuser','repo':'coloraide'},I:{'separator':'＋'},L:{'alternate_style':_B},K:{'types':['new','settings','note','abstract','info','tip','success','question','warning','failure','danger','bug','example','quote']}}\n\ttry:html=markdown.markdown(text,extensions=extensions,extension_configs=extension_configs)\n\texcept Exception:html=''\n\tcontent=document.getElementById('__notebook-render');content.innerHTML=html\n\naction = globals().get('action')\nif action == 'notebook':\n callback = render_notebook\nelse:\n callback = render_console\n\ncallback(gamut='".concat(e,"')\n"),g=window.colorNotebook.defaultPlayground,h=function(t){return"\n/// new | This notebook is powered by [Pyodide](https://github.com/pyodide/pyodide). Learn more [here](?notebook=https://gist.githubusercontent.com/facelessuser/7c819668b5eb248ecb9ac608d91391cf/raw/playground.md). Preview, convert, interpolate, and explore!\n///\n\n````````py play\n".concat(t,"\n````````\n")},y=!1,v=!1,w=function(){f=!0,window.document.dispatchEvent(new Event("DOMContentLoaded",{bubbles:!0,cancelable:!0})),window.document$.next()},x=function(t){var e=window.pageXOffset||(document.documentElement||document.body.parentNode||document.body).scrollLeft,n=window.pageYOffset||(document.documentElement||document.body.parentNode||document.body).scrollTop;t.style.height="5px",t.style.height="".concat(t.scrollHeight,"px"),window.scrollTo(e,n)},b=function(t){return encodeURIComponent(t).replace(/[.!'()*]/g,(function(t){return"%".concat(t.charCodeAt(0).toString(16))}))},E=function(){var e=n(t().mark((function e(n){var o;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return(o=document.getElementById("__playground-inputs_".concat(n))).setAttribute("readonly",""),i.globals.set("id_num",n),i.globals.set("action","playground"),t.next=6,i.runPythonAsync(_);case 6:o.removeAttribute("readonly");case 7:case"end":return t.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),k=function(){var e=n(t().mark((function e(n){var o;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return i.globals.set("content",n),i.globals.set("action","notebook"),t.next=4,i.runPythonAsync(_);case 4:(o=document.getElementById("__notebook-input"))&&(s=n,o.value=n),window.location.hash&&(window.location.href=window.location.href);case 7:case"end":return t.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),L=function(){var e=n(t().mark((function e(n){var o,a,s,l,c,u;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(d){t.next=5;break}return d=!0,t.next=4,loadPyodide({indexURL:"https://cdn.jsdelivr.net/pyodide/v0.23.4/full/",fullStdLib:!1});case 4:i=t.sent;case 5:if((y||!n)&&(v||n)){t.next=14;break}o="".concat(window.location.origin,"/").concat(window.location.pathname.split("/")[1],"/playground/"),a=n?window.colorNotebook.notebookWheels:window.colorNotebook.playgroundWheels,s=[],n?y=!0:v=!0,l=r(a);try{for(l.s();!(c=l.n()).done;)(u=c.value).endsWith(".whl")?s.push(o+u):s.push(u)}catch(t){l.e(t)}finally{l.f()}return t.next=14,i.loadPackage(s);case 14:case"end":return t.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),S=function(t,e,n){var o=null==e?"Loading...":e,r=n?"loading relative":"loading",i=document.createElement("template");i.innerHTML='
').concat(o,"
"),t.appendChild(i.content.firstChild)},A=function(t){t.querySelector(".loading")&&t.removeChild(t.querySelector(".loading"))},C=function(t){if("Tab"===t.key){var e=t.target;if(e.selectionStart!==e.selectionEnd){t.preventDefault();for(var n=e.selectionStart,o=e.selectionEnd,r=e.value;n>0&&"\n"!==r[n-1];)n--;for(;o>0&&"\n"!==r[o-1]&&o2e3?alert("Code must be small enough to generate a shareable URL under 2000 characters!"):navigator.clipboard.writeText(l).then(n(t().mark((function e(){return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:alert("Link copied to clipboard :)");case 1:case"end":return t.stop()}}),e)}))),n(t().mark((function e(){return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:alert("Failed to copy link clipboard!");case 1:case"end":return t.stop()}}),e)}))));case 7:case"end":return e.stop()}}),e)})))),p.addEventListener("click",n(t().mark((function e(){var n,r;return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:if(!a){t.next=2;break}return t.abrupt("return");case 2:return a=!0,n=s.querySelector("form"),S(n,null,!0),(r=document.querySelectorAll(".playground .playground-run"))&&r.forEach((function(t){t.setAttribute("disabled","")})),t.next=9,L(!1);case 9:return i.querySelector("code").innerHTML="",t.next=12,E(o);case 12:r&&r.forEach((function(t){t.removeAttribute("disabled")})),A(n),s.classList.toggle("hidden"),i.classList.toggle("hidden"),l.classList.toggle("hidden"),d.classList.toggle("hidden"),p.classList.toggle("hidden"),f.classList.toggle("hidden"),delete c[o],a=!1;case 22:case"end":return t.stop()}}),e)})))),f.addEventListener("click",(function(){r.value=c[o],delete c[o],s.classList.toggle("hidden"),i.classList.toggle("hidden"),l.classList.toggle("hidden"),d.classList.toggle("hidden"),p.classList.toggle("hidden"),f.classList.toggle("hidden")}))}));case 4:case"end":return e.stop()}}),e)})));return function(t){return e.apply(this,arguments)}}(),I=function(){var e=n(t().mark((function e(o,r){var i,a,s,u,d,f,m,_,y;return t().wrap((function(e){for(;;)switch(e.prev=e.next){case 0:if(c={},!window.location.pathname.endsWith("/playground/")){e.next=32;break}if(i=r||new URLSearchParams(window.location.search),a="Loading Pyodide...",s="Loading Notebook...",u=i.has("source")?i.get("source"):i.get("notebook"),d=document.querySelector("article"),null===u||!u.trim()){e.next=16;break}return S(d,a),e.next=11,L(!0);case 11:A(d),S(d,s);try{f=i.has("source")?"source":"notebook",p=decodeURIComponent(i.toString()),m="",_=new XMLHttpRequest,l=u,_.open("GET",u,!0),_.onload=n(t().mark((function e(){return t().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return 4===_.readyState&&200===_.status&&(m=_.responseText),"source"===f&&(m=h(m)),t.next=4,k(m);case 4:return t.next=6,B(o);case 6:A(d),w();case 8:case"end":return t.stop()}}),e)}))),_.send()}catch(t){}e.next=30;break;case 16:return l="",y=h(i.has("code")?i.get("code"):g),p=decodeURIComponent(i.toString()),S(d,a),e.next=22,L(!0);case 22:return A(d),S(d,s),e.next=26,k(y);case 26:return e.next=28,B(o);case 28:A(d),w();case 30:e.next=35;break;case 32:l="",p="",B(o);case 35:case"end":return e.stop()}}),e)})));return function(t,n){return e.apply(this,arguments)}}();document.addEventListener("click",(function(t){var e=window.location.pathname.split("/")[1],n=t.target||t.srcElement;if("A"===n.tagName&&I&&n.getAttribute("href")&&n.host===window.location.host&&window.location.pathname==="/".concat(e,"/playground/")&&window.location.pathname===n.pathname&&window.location.search!==n.search){t.preventDefault();var o=new URLSearchParams(n.search);I(!1,o)}}),!0),window.addEventListener("popstate",(function(){var t=window.location.pathname.split("/")[1];window.location.pathname==="/".concat(t,"/playground/")&&(decodeURIComponent(new URLSearchParams(window.location.search).toString())!==p&&I(!1))})),window.addEventListener("unload",(function(){f=!1})),window.document$.subscribe((function(){f?f=!1:I(!0)}))}()}(); +//# sourceMappingURL=extra-notebook-b4a7bff2.js.map diff --git a/assets/coloraide-extras/extra-notebook-61fde54c.js.map b/assets/coloraide-extras/extra-notebook-b4a7bff2.js.map similarity index 99% rename from assets/coloraide-extras/extra-notebook-61fde54c.js.map rename to assets/coloraide-extras/extra-notebook-b4a7bff2.js.map index 59e9aea4d..a0bf1bcfa 100644 --- a/assets/coloraide-extras/extra-notebook-61fde54c.js.map +++ b/assets/coloraide-extras/extra-notebook-b4a7bff2.js.map @@ -1 +1 @@ -{"version":3,"file":"extra-notebook-61fde54c.js","sources":["extra-notebook.js"],"sourcesContent":["(() => {\n let webspace = ''\n try {\n let gamut = 'srgb'\n if (window.matchMedia(\"(color-gamut: rec2020)\").matches) {\n gamut = 'rec2020'\n } else if (window.matchMedia(\"(color-gamut: p3)\").matches) {\n gamut = 'display-p3'\n }\n webspace = (CSS.supports('color: color(display-p3 1 0 0)')) ? gamut : 'srgb'\n } catch {\n webspace = 'srgb'\n }\n let pyodide = null\n let busy = false\n let raw = \"\"\n let gist = \"\"\n let editTemp = {}\n const reIdNum = /.*?_(\\d+)$/\n let initialized = false\n let lastSearch = \"\"\n let fake = false\n const tabStart = /^( {1,4}|\\t)/\n // This is the Python payload that will be executed when the user\n // presses the `Run` button. It will execute the code, create a\n // Python console output, find color references, steps, and interpolation\n // references and render the appropriate preview.\n const pycode = `\n{{pycode}}\n\naction = globals().get('action')\nif action == 'notebook':\n callback = render_notebook\nelse:\n callback = render_console\n\ncallback(gamut='${webspace}')\n`\n\n const defContent = window.colorNotebook.defaultPlayground\n\n const getContent = content => {\n return `\n/// new | This notebook is powered by [Pyodide](https://github.com/pyodide/pyodide). \\\nLearn more [here](\\\n?notebook=https://gist.githubusercontent.com/facelessuser/7c819668b5eb248ecb9ac608d91391cf/raw/playground.md\\\n). Preview, convert, interpolate, and explore!\n///\n\n\\`\\`\\`\\`\\`\\`\\`\\`py play\n${content}\n\\`\\`\\`\\`\\`\\`\\`\\`\n`\n }\n\n let notebookInstalled = false\n let playgroundInstalled = false\n\n const fakeDOMContentLoaded = () => {\n // Send a fake `DOMContentLoaded`\n fake = true\n window.document.dispatchEvent(new Event(\"DOMContentLoaded\", {\n bubbles: true,\n cancelable: true\n }))\n window.document$.next()\n }\n\n const textResize = inpt => {\n // Resize inputs based on text height.\n\n const scrollLeft = window.pageXOffset ||\n (document.documentElement || document.body.parentNode || document.body).scrollLeft\n\n const scrollTop = window.pageYOffset ||\n (document.documentElement || document.body.parentNode || document.body).scrollTop\n\n inpt.style.height = \"5px\"\n inpt.style.height = `${inpt.scrollHeight}px`\n\n window.scrollTo(scrollLeft, scrollTop)\n }\n\n const encodeuri = uri => {\n // Encode the URI component.\n\n return encodeURIComponent(uri).replace(/[.!'()*]/g, c => {\n return `%${c.charCodeAt(0).toString(16)}`\n })\n }\n\n const pyexecute = async currentID => {\n // Execute Python code inside a playground\n\n const currentInputs = document.getElementById(`__playground-inputs_${currentID}`)\n currentInputs.setAttribute(\"readonly\", \"\")\n pyodide.globals.set(\"id_num\", currentID)\n pyodide.globals.set(\"action\", \"playground\")\n await pyodide.runPythonAsync(pycode)\n currentInputs.removeAttribute(\"readonly\")\n }\n\n const pyrender = async text => {\n // Render an entire notebook page\n\n pyodide.globals.set(\"content\", text)\n pyodide.globals.set(\"action\", \"notebook\")\n await pyodide.runPythonAsync(pycode)\n const src = document.getElementById(\"__notebook-input\")\n if (src) {\n raw = text\n src.value = text\n }\n if (window.location.hash) {\n // Force jumping to hashes\n window.location.href = window.location.href // eslint-disable-line no-self-assign\n }\n }\n\n const setupPyodide = async full => {\n // Load `Pyodide` and the any default packages we can need and can load.\n\n if (!initialized) {\n initialized = true\n pyodide = await loadPyodide({ // eslint-disable-line no-undef\n indexURL: \"https://cdn.jsdelivr.net/pyodide/v0.23.4/full/\",\n fullStdLib: false\n })\n }\n\n if ((!notebookInstalled && full) || (!playgroundInstalled && !full)) {\n const base = `${window.location.origin}/${window.location.pathname.split('/')[1]}/playground/`\n const packages = (full) ? window.colorNotebook.notebookWheels : window.colorNotebook.playgroundWheels\n const installs = []\n if (full) {\n notebookInstalled = true\n } else {\n playgroundInstalled = true\n }\n for (const s of packages) {\n if (s.endsWith('.whl')) {\n installs.push(base + s)\n } else {\n installs.push(s)\n }\n }\n await pyodide.loadPackage(installs)\n }\n }\n\n const showBusy = (target, label, relative) => {\n // Show busy indicator\n\n const loaderLabel = (typeof label === \"undefined\" || label === null) ? \"Loading...\" : label\n const classes = relative ? \"loading relative\" : \"loading\"\n const template = document.createElement(\"template\")\n template.innerHTML = `
${loaderLabel}
`\n target.appendChild(template.content.firstChild)\n }\n\n const hideBusy = target => {\n // Hide busy indicator\n\n const loading = target.querySelector(\".loading\")\n if (loading) {\n target.removeChild(target.querySelector(\".loading\"))\n }\n }\n\n const popState = () => {\n // Handle notebook history\n\n const base = window.location.pathname.split('/')[1]\n if (\n window.location.pathname === `/${base}/playground/`\n ) {\n const current = decodeURIComponent(new URLSearchParams(window.location.search).toString())\n if (current !== lastSearch) {\n main(false) // eslint-disable-line no-use-before-define\n }\n }\n }\n\n const interceptClickEvent = e => {\n // Catch links to other notebook pages and handle them\n\n const base = window.location.pathname.split('/')[1]\n const target = e.target || e.srcElement\n\n if (target.tagName === \"A\" && main) { // eslint-disable-line no-use-before-define\n if (\n target.getAttribute(\"href\") &&\n target.host === window.location.host &&\n window.location.pathname === `/${base}/playground/` &&\n window.location.pathname === target.pathname &&\n window.location.search !== target.search\n ) {\n e.preventDefault()\n const search = new URLSearchParams(target.search)\n main(false, search) // eslint-disable-line no-use-before-define\n }\n }\n }\n\n const handleTab = e => {\n // Prevent tab from tabbing out.\n\n if (e.key === 'Tab') {\n const target = e.target\n\n if (target.selectionStart !== target.selectionEnd) {\n e.preventDefault()\n\n let start = target.selectionStart\n let end = target.selectionEnd\n\n const text = target.value\n\n while (start > 0 && text[start - 1] !== '\\n') {\n start--\n }\n while (end > 0 && text[end - 1] !== '\\n' && end < text.length) {\n end++\n }\n\n let lines = text.substr(start, end - start).split('\\n')\n\n for (let i = 0; i < lines.length; i++) {\n\n // Don't indent last line if cursor at start of line\n if (i === lines.length - 1 && lines[i].length === 0) {\n continue\n }\n\n // Indent or deindent\n if (e.shiftKey) {\n lines[i] = lines[i].replace(tabStart, '')\n } else {\n lines[i] = ` ${lines[i]}`\n }\n }\n lines = lines.join('\\n')\n\n // Update the text area\n target.value = text.substr(0, start) + lines + text.substr(end)\n target.selectionStart = start\n target.selectionEnd = start + lines.length\n }\n }\n }\n\n const init = async first => {\n // Setup input highlighting and events to run Python code blocks.\n\n const notebook = document.getElementById(\"__notebook-source\")\n const playgrounds = document.querySelectorAll(\".playground\")\n\n if (notebook && first) {\n const notebookInput = document.getElementById(\"__notebook-input\")\n\n notebookInput.addEventListener(\"input\", e => {\n // Adjust textarea height on text input.\n\n textResize(e.target)\n })\n\n notebookInput.addEventListener('keydown', handleTab)\n\n const editPage = document.getElementById(\"__notebook-edit\")\n editPage.addEventListener(\"click\", () => {\n editTemp[notebookInput.id] = 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\ No newline at end of file +{"version":3,"file":"extra-notebook-b4a7bff2.js","sources":["extra-notebook.js"],"sourcesContent":["(() => {\n let webspace = ''\n try {\n let gamut = 'srgb'\n if (window.matchMedia(\"(color-gamut: rec2020)\").matches) {\n gamut = 'rec2020'\n } else if (window.matchMedia(\"(color-gamut: p3)\").matches) {\n gamut = 'display-p3'\n }\n webspace = (CSS.supports('color: color(display-p3 1 0 0)')) ? gamut : 'srgb'\n } catch {\n webspace = 'srgb'\n }\n let pyodide = null\n let busy = false\n let raw = \"\"\n let gist = \"\"\n let editTemp = {}\n const reIdNum = /.*?_(\\d+)$/\n let initialized = false\n let lastSearch = \"\"\n let fake = false\n const tabStart = /^( {1,4}|\\t)/\n // This is the Python payload that will be executed when the user\n // presses the `Run` button. It will execute the code, create a\n // Python console output, find color references, steps, and interpolation\n // references and render the appropriate preview.\n const pycode = `\n{{pycode}}\n\naction = globals().get('action')\nif action == 'notebook':\n callback = render_notebook\nelse:\n callback = render_console\n\ncallback(gamut='${webspace}')\n`\n\n const defContent = window.colorNotebook.defaultPlayground\n\n const getContent = content => {\n return `\n/// new | This notebook is powered by [Pyodide](https://github.com/pyodide/pyodide). \\\nLearn more [here](\\\n?notebook=https://gist.githubusercontent.com/facelessuser/7c819668b5eb248ecb9ac608d91391cf/raw/playground.md\\\n). Preview, convert, interpolate, and explore!\n///\n\n\\`\\`\\`\\`\\`\\`\\`\\`py play\n${content}\n\\`\\`\\`\\`\\`\\`\\`\\`\n`\n }\n\n let notebookInstalled = false\n let playgroundInstalled = false\n\n const fakeDOMContentLoaded = () => {\n // Send a fake `DOMContentLoaded`\n fake = true\n window.document.dispatchEvent(new Event(\"DOMContentLoaded\", {\n bubbles: true,\n cancelable: true\n }))\n window.document$.next()\n }\n\n const textResize = inpt => {\n // Resize inputs based on text height.\n\n const scrollLeft = window.pageXOffset ||\n (document.documentElement || document.body.parentNode || document.body).scrollLeft\n\n const scrollTop = window.pageYOffset ||\n (document.documentElement || document.body.parentNode || document.body).scrollTop\n\n inpt.style.height = \"5px\"\n inpt.style.height = `${inpt.scrollHeight}px`\n\n window.scrollTo(scrollLeft, scrollTop)\n }\n\n const encodeuri = uri => {\n // Encode the URI component.\n\n return encodeURIComponent(uri).replace(/[.!'()*]/g, c => {\n return `%${c.charCodeAt(0).toString(16)}`\n })\n }\n\n const pyexecute = async currentID => {\n // Execute Python code inside a playground\n\n const currentInputs = document.getElementById(`__playground-inputs_${currentID}`)\n currentInputs.setAttribute(\"readonly\", \"\")\n pyodide.globals.set(\"id_num\", currentID)\n pyodide.globals.set(\"action\", \"playground\")\n await pyodide.runPythonAsync(pycode)\n currentInputs.removeAttribute(\"readonly\")\n }\n\n const pyrender = async text => {\n // Render an entire notebook page\n\n pyodide.globals.set(\"content\", text)\n pyodide.globals.set(\"action\", \"notebook\")\n await pyodide.runPythonAsync(pycode)\n const src = document.getElementById(\"__notebook-input\")\n if (src) {\n raw = text\n src.value = text\n }\n if (window.location.hash) {\n // Force jumping to hashes\n window.location.href = window.location.href // eslint-disable-line no-self-assign\n }\n }\n\n const setupPyodide = async full => {\n // Load `Pyodide` and the any default packages we can need and can load.\n\n if (!initialized) {\n initialized = true\n pyodide = await loadPyodide({ // eslint-disable-line no-undef\n indexURL: \"https://cdn.jsdelivr.net/pyodide/v0.23.4/full/\",\n fullStdLib: false\n })\n }\n\n if ((!notebookInstalled && full) || (!playgroundInstalled && !full)) {\n const base = `${window.location.origin}/${window.location.pathname.split('/')[1]}/playground/`\n const packages = (full) ? window.colorNotebook.notebookWheels : window.colorNotebook.playgroundWheels\n const installs = []\n if (full) {\n notebookInstalled = true\n } else {\n playgroundInstalled = true\n }\n for (const s of packages) {\n if (s.endsWith('.whl')) {\n installs.push(base + s)\n } else {\n installs.push(s)\n }\n }\n await pyodide.loadPackage(installs)\n }\n }\n\n const showBusy = (target, label, relative) => {\n // Show busy indicator\n\n const loaderLabel = (typeof label === \"undefined\" || label === null) ? \"Loading...\" : label\n const classes = relative ? \"loading relative\" : \"loading\"\n const template = document.createElement(\"template\")\n template.innerHTML = `
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window.location.pathname === `/${base}/playground/` &&\n window.location.pathname === target.pathname &&\n window.location.search !== target.search\n ) {\n e.preventDefault()\n const search = new URLSearchParams(target.search)\n main(false, search) // eslint-disable-line no-use-before-define\n }\n }\n }\n\n const handleTab = e => {\n // Prevent tab from tabbing out.\n\n if (e.key === 'Tab') {\n const target = e.target\n\n if (target.selectionStart !== target.selectionEnd) {\n e.preventDefault()\n\n let start = target.selectionStart\n let end = target.selectionEnd\n\n const text = target.value\n\n while (start > 0 && text[start - 1] !== '\\n') {\n start--\n }\n while (end > 0 && text[end - 1] !== '\\n' && end < text.length) {\n end++\n }\n\n let lines = text.substr(start, end - start).split('\\n')\n\n for (let i = 0; i < lines.length; i++) {\n\n // Don't indent last line if cursor at start of line\n if (i === lines.length - 1 && lines[i].length === 0) {\n continue\n }\n\n // Indent or deindent\n if (e.shiftKey) {\n lines[i] = lines[i].replace(tabStart, '')\n } else {\n lines[i] = ` ${lines[i]}`\n }\n }\n lines = lines.join('\\n')\n\n // Update the text area\n target.value = text.substr(0, start) + lines + text.substr(end)\n target.selectionStart = start\n target.selectionEnd = start + lines.length\n }\n }\n }\n\n const init = async first => {\n // Setup input highlighting and events to run Python code blocks.\n\n const notebook = document.getElementById(\"__notebook-source\")\n const playgrounds = document.querySelectorAll(\".playground\")\n\n if (notebook && first) {\n const notebookInput = document.getElementById(\"__notebook-input\")\n\n notebookInput.addEventListener(\"input\", e => {\n // Adjust textarea height on text input.\n\n textResize(e.target)\n })\n\n notebookInput.addEventListener('keydown', handleTab)\n\n const editPage = document.getElementById(\"__notebook-edit\")\n editPage.addEventListener(\"click\", () => {\n editTemp[notebookInput.id] = notebookInput.value\n document.getElementById(\"__notebook-render\").classList.toggle(\"hidden\")\n document.getElementById(\"__notebook-source\").classList.toggle(\"hidden\")\n textResize(document.getElementById(\"__notebook-input\"))\n })\n\n document.getElementById(\"__notebook-md-gist\").addEventListener(\"click\", async e => {\n let uri = prompt(\"Please enter link to the Markdown page source:\", gist) // eslint-disable-line no-alert\n if (uri !== null) {\n uri = encodeuri(uri)\n e.preventDefault()\n history.pushState({notebook: uri}, \"\", `?${new URLSearchParams(`notebook=${uri}`).toString()}`)\n main(false) // eslint-disable-line no-use-before-define\n }\n })\n\n document.getElementById(\"__notebook-py-gist\").addEventListener(\"click\", async e => {\n let uri = prompt(\"Please enter the link to the Python code source:\", gist) // eslint-disable-line no-alert\n if (uri !== null) {\n uri = encodeuri(uri)\n e.preventDefault()\n history.pushState({source: uri}, \"\", `?${new URLSearchParams(`source=${uri}`).toString()}`)\n main(false) // eslint-disable-line no-use-before-define\n }\n })\n\n document.getElementById(\"__notebook-input\").value = raw\n document.getElementById(\"__notebook-cancel\").addEventListener(\"click\", () => {\n notebookInput.value = editTemp[notebookInput.id]\n delete editTemp[notebookInput.id]\n document.getElementById(\"__notebook-render\").classList.toggle(\"hidden\")\n document.getElementById(\"__notebook-source\").classList.toggle(\"hidden\")\n })\n\n document.getElementById(\"__notebook-submit\").addEventListener(\"click\", async() => {\n const render = document.getElementById(\"__notebook-render\")\n raw = document.getElementById(\"__notebook-input\").value\n render.classList.toggle(\"hidden\")\n document.getElementById(\"__notebook-source\").classList.toggle(\"hidden\")\n const article = document.querySelector(\"article\")\n showBusy(article, \"Loading Notebook...\")\n render.innerHTML = \"\"\n editTemp = {}\n await 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circle.state-start,.start-state{fill:var(--md-mermaid-edge-color);stroke:none}.end-state-inner,.end-state-outer{fill:var(--md-mermaid-edge-color)}.end-state-inner,.node circle.state-end{stroke:var(--md-mermaid-label-bg-color)}.transition{stroke:var(--md-mermaid-edge-color)}[id^=state-fork] rect,[id^=state-join] rect{fill:var(--md-mermaid-edge-color)!important;stroke:none!important}.statediagram-cluster.statediagram-cluster .inner{fill:var(--md-default-bg-color)}.statediagram-cluster rect{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.statediagram-state rect.divider{fill:var(--md-default-fg-color--lightest);stroke:var(--md-default-fg-color--lighter)}defs #statediagram-barbEnd{stroke:var(--md-mermaid-edge-color)}.attributeBoxEven,.attributeBoxOdd{fill:var(--md-mermaid-node-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityBox{fill:var(--md-mermaid-label-bg-color);stroke:var(--md-mermaid-node-fg-color)}.entityLabel{fill:var(--md-mermaid-label-fg-color);font-family:var(--md-mermaid-font-family)}.relationshipLabelBox{fill:var(--md-mermaid-label-bg-color);fill-opacity:1;background-color:var(--md-mermaid-label-bg-color);opacity:1}.relationshipLabel{fill:var(--md-mermaid-label-fg-color)}.relationshipLine{stroke:var(--md-mermaid-edge-color)}defs #ONE_OR_MORE_END *,defs #ONE_OR_MORE_START *,defs #ONLY_ONE_END *,defs #ONLY_ONE_START *,defs #ZERO_OR_MORE_END *,defs #ZERO_OR_MORE_START *,defs #ZERO_OR_ONE_END *,defs #ZERO_OR_ONE_START *{stroke:var(--md-mermaid-edge-color)!important}defs #ZERO_OR_MORE_END circle,defs #ZERO_OR_MORE_START circle{fill:var(--md-mermaid-label-bg-color)}.actor{fill:var(--md-mermaid-sequence-actor-bg-color);stroke:var(--md-mermaid-sequence-actor-border-color)}text.actor>tspan{fill:var(--md-mermaid-sequence-actor-fg-color);font-family:var(--md-mermaid-font-family)}line{stroke:var(--md-mermaid-sequence-actor-line-color)}.actor-man circle,.actor-man line{fill:var(--md-mermaid-sequence-actorman-bg-color);stroke:var(--md-mermaid-sequence-actorman-line-color)}.messageLine0,.messageLine1{stroke:var(--md-mermaid-sequence-message-line-color)}.note{fill:var(--md-mermaid-sequence-note-bg-color);stroke:var(--md-mermaid-sequence-note-border-color)}.loopText,.loopText>tspan,.messageText,.noteText>tspan{stroke:none;font-family:var(--md-mermaid-font-family)!important}.messageText{fill:var(--md-mermaid-sequence-message-fg-color)}.loopText,.loopText>tspan{fill:var(--md-mermaid-sequence-loop-fg-color)}.noteText>tspan{fill:var(--md-mermaid-sequence-note-fg-color)}#arrowhead path{fill:var(--md-mermaid-sequence-message-line-color);stroke:none}.loopLine{fill:var(--md-mermaid-sequence-loop-bg-color);stroke:var(--md-mermaid-sequence-loop-border-color)}.labelBox{fill:var(--md-mermaid-sequence-label-bg-color);stroke:none}.labelText,.labelText>span{fill:var(--md-mermaid-sequence-label-fg-color);font-family:var(--md-mermaid-font-family)}.sequenceNumber{fill:var(--md-mermaid-sequence-number-fg-color)}rect.rect{fill:var(--md-mermaid-sequence-box-bg-color);stroke:none}rect.rect+text.text{fill:var(--md-mermaid-sequence-box-fg-color)}defs #sequencenumber{fill:var(--md-mermaid-sequence-number-bg-color)!important}";var qr,wa=0;function Sa(){return typeof mermaid=="undefined"||mermaid instanceof Element?ht("https://unpkg.com/mermaid@9.4.3/dist/mermaid.min.js"):j(void 0)}function On(e){return e.classList.remove("mermaid"),qr||(qr=Sa().pipe(w(()=>mermaid.initialize({startOnLoad:!1,themeCSS:Tn,sequence:{actorFontSize:"16px",messageFontSize:"16px",noteFontSize:"16px"}})),m(()=>{}),J(1))),qr.subscribe(()=>{e.classList.add("mermaid");let t=`__mermaid_${wa++}`,r=T("div",{class:"mermaid"}),o=e.textContent;mermaid.mermaidAPI.render(t,o,(n,i)=>{let s=r.attachShadow({mode:"closed"});s.innerHTML=n,e.replaceWith(r),i==null||i(s)})}),qr.pipe(m(()=>({ref:e})))}var Mn=T("table");function Ln(e){return e.replaceWith(Mn),Mn.replaceWith(dn(e)),j({ref:e})}function Ta(e){let t=q(":scope > input",e),r=t.find(o=>o.checked)||t[0];return _(...t.map(o=>h(o,"change").pipe(m(()=>W(`label[for="${o.id}"]`))))).pipe(V(W(`label[for="${r.id}"]`)),m(o=>({active:o})))}function _n(e,{viewport$:t}){let r=Dr("prev");e.append(r);let o=Dr("next");e.append(o);let n=W(".tabbed-labels",e);return H(()=>{let i=new x,s=i.pipe(Z(),re(!0));return B([i,ye(e)]).pipe(Ce(1,Oe),Y(s)).subscribe({next([{active:a},c]){let p=Je(a),{width:l}=he(a);e.style.setProperty("--md-indicator-x",`${p.x}px`),e.style.setProperty("--md-indicator-width",`${l}px`);let f=er(n);(p.xf.x+c.width)&&n.scrollTo({left:Math.max(0,p.x-16),behavior:"smooth"})},complete(){e.style.removeProperty("--md-indicator-x"),e.style.removeProperty("--md-indicator-width")}}),B([dt(n),ye(n)]).pipe(Y(s)).subscribe(([a,c])=>{let p=bt(n);r.hidden=a.x<16,o.hidden=a.x>p.width-c.width-16}),_(h(r,"click").pipe(m(()=>-1)),h(o,"click").pipe(m(()=>1))).pipe(Y(s)).subscribe(a=>{let{width:c}=he(n);n.scrollBy({left:c*a,behavior:"smooth"})}),te("content.tabs.link")&&i.pipe(je(1),ne(t)).subscribe(([{active:a},{offset:c}])=>{let p=a.innerText.trim();if(a.hasAttribute("data-md-switching"))a.removeAttribute("data-md-switching");else{let l=e.offsetTop-c.y;for(let u of q("[data-tabs]"))for(let d of q(":scope > input",u)){let v=W(`label[for="${d.id}"]`);if(v!==a&&v.innerText.trim()===p){v.setAttribute("data-md-switching",""),d.click();break}}window.scrollTo({top:e.offsetTop-l});let f=__md_get("__tabs")||[];__md_set("__tabs",[...new Set([p,...f])])}}),i.pipe(Y(s)).subscribe(()=>{for(let a of q("audio, video",e))a.pause()}),Ta(e).pipe(w(a=>i.next(a)),A(()=>i.complete()),m(a=>R({ref:e},a)))}).pipe(rt(ae))}function An(e,{viewport$:t,target$:r,print$:o}){return _(...q(".annotate:not(.highlight)",e).map(n=>gn(n,{target$:r,print$:o})),...q("pre:not(.mermaid) > code",e).map(n=>wn(n,{target$:r,print$:o})),...q("pre.mermaid",e).map(n=>On(n)),...q("table:not([class])",e).map(n=>Ln(n)),...q("details",e).map(n=>Sn(n,{target$:r,print$:o})),...q("[data-tabs]",e).map(n=>_n(n,{viewport$:t})))}function Oa(e,{alert$:t}){return t.pipe(E(r=>_(j(!0),j(!1).pipe(ze(2e3))).pipe(m(o=>({message:r,active:o})))))}function Cn(e,t){let r=W(".md-typeset",e);return H(()=>{let o=new x;return o.subscribe(({message:n,active:i})=>{e.classList.toggle("md-dialog--active",i),r.textContent=n}),Oa(e,t).pipe(w(n=>o.next(n)),A(()=>o.complete()),m(n=>R({ref:e},n)))})}function Ma({viewport$:e}){if(!te("header.autohide"))return j(!1);let t=e.pipe(m(({offset:{y:n}})=>n),Le(2,1),m(([n,i])=>[nMath.abs(i-n.y)>100),m(([,[n]])=>n),X()),o=We("search");return B([e,o]).pipe(m(([{offset:n},i])=>n.y>400&&!i),X(),E(n=>n?r:j(!1)),V(!1))}function kn(e,t){return H(()=>B([ye(e),Ma(t)])).pipe(m(([{height:r},o])=>({height:r,hidden:o})),X((r,o)=>r.height===o.height&&r.hidden===o.hidden),J(1))}function Hn(e,{header$:t,main$:r}){return H(()=>{let o=new x,n=o.pipe(Z(),re(!0));return o.pipe(ee("active"),Ge(t)).subscribe(([{active:i},{hidden:s}])=>{e.classList.toggle("md-header--shadow",i&&!s),e.hidden=s}),r.subscribe(o),t.pipe(Y(n),m(i=>R({ref:e},i)))})}function La(e,{viewport$:t,header$:r}){return sr(e,{viewport$:t,header$:r}).pipe(m(({offset:{y:o}})=>{let{height:n}=he(e);return{active:o>=n}}),ee("active"))}function $n(e,t){return H(()=>{let r=new x;r.subscribe({next({active:n}){e.classList.toggle("md-header__title--active",n)},complete(){e.classList.remove("md-header__title--active")}});let o=ce(".md-content h1");return typeof o=="undefined"?L:La(o,t).pipe(w(n=>r.next(n)),A(()=>r.complete()),m(n=>R({ref:e},n)))})}function Rn(e,{viewport$:t,header$:r}){let o=r.pipe(m(({height:i})=>i),X()),n=o.pipe(E(()=>ye(e).pipe(m(({height:i})=>({top:e.offsetTop,bottom:e.offsetTop+i})),ee("bottom"))));return B([o,n,t]).pipe(m(([i,{top:s,bottom:a},{offset:{y:c},size:{height:p}}])=>(p=Math.max(0,p-Math.max(0,s-c,i)-Math.max(0,p+c-a)),{offset:s-i,height:p,active:s-i<=c})),X((i,s)=>i.offset===s.offset&&i.height===s.height&&i.active===s.active))}function _a(e){let t=__md_get("__palette")||{index:e.findIndex(r=>matchMedia(r.getAttribute("data-md-color-media")).matches)};return j(...e).pipe(se(r=>h(r,"change").pipe(m(()=>r))),V(e[Math.max(0,t.index)]),m(r=>({index:e.indexOf(r),color:{scheme:r.getAttribute("data-md-color-scheme"),primary:r.getAttribute("data-md-color-primary"),accent:r.getAttribute("data-md-color-accent")}})),J(1))}function Pn(e){let t=T("meta",{name:"theme-color"});document.head.appendChild(t);let r=T("meta",{name:"color-scheme"});return document.head.appendChild(r),H(()=>{let o=new x;o.subscribe(i=>{document.body.setAttribute("data-md-color-switching","");for(let[s,a]of Object.entries(i.color))document.body.setAttribute(`data-md-color-${s}`,a);for(let s=0;s{let i=Ee("header"),s=window.getComputedStyle(i);return r.content=s.colorScheme,s.backgroundColor.match(/\d+/g).map(a=>(+a).toString(16).padStart(2,"0")).join("")})).subscribe(i=>t.content=`#${i}`),o.pipe(Se(ae)).subscribe(()=>{document.body.removeAttribute("data-md-color-switching")});let n=q("input",e);return _a(n).pipe(w(i=>o.next(i)),A(()=>o.complete()),m(i=>R({ref:e},i)))})}function In(e,{progress$:t}){return H(()=>{let r=new x;return r.subscribe(({value:o})=>{e.style.setProperty("--md-progress-value",`${o}`)}),t.pipe(w(o=>r.next({value:o})),A(()=>r.complete()),m(o=>({ref:e,value:o})))})}var Kr=Ht(zr());function Aa(e){e.setAttribute("data-md-copying","");let t=e.closest("[data-copy]"),r=t?t.getAttribute("data-copy"):e.innerText;return e.removeAttribute("data-md-copying"),r}function Fn({alert$:e}){Kr.default.isSupported()&&new P(t=>{new Kr.default("[data-clipboard-target], [data-clipboard-text]",{text:r=>r.getAttribute("data-clipboard-text")||Aa(W(r.getAttribute("data-clipboard-target")))}).on("success",r=>t.next(r))}).pipe(w(t=>{t.trigger.focus()}),m(()=>be("clipboard.copied"))).subscribe(e)}function Ca(e){if(e.length<2)return[""];let[t,r]=[...e].sort((n,i)=>n.length-i.length).map(n=>n.replace(/[^/]+$/,"")),o=0;if(t===r)o=t.length;else for(;t.charCodeAt(o)===r.charCodeAt(o);)o++;return e.map(n=>n.replace(t.slice(0,o),""))}function pr(e){let t=__md_get("__sitemap",sessionStorage,e);if(t)return j(t);{let r=me();return Zo(new URL("sitemap.xml",e||r.base)).pipe(m(o=>Ca(q("loc",o).map(n=>n.textContent))),de(()=>L),He([]),w(o=>__md_set("__sitemap",o,sessionStorage,e)))}}function jn(e){let t=W("[rel=canonical]",e);t.href=t.href.replace("//localhost:","//127.0.0.1");let r=new Map;for(let o of q(":scope > *",e)){let n=o.outerHTML;for(let i of["href","src"]){let s=o.getAttribute(i);if(s===null)continue;let a=new URL(s,t.href),c=o.cloneNode();c.setAttribute(i,`${a}`),n=c.outerHTML;break}r.set(n,o)}return r}function Wn({location$:e,viewport$:t,progress$:r}){let o=me();if(location.protocol==="file:")return L;let n=pr().pipe(m(l=>l.map(f=>`${new URL(f,o.base)}`))),i=h(document.body,"click").pipe(ne(n),E(([l,f])=>{if(!(l.target instanceof Element))return L;let u=l.target.closest("a");if(u===null)return L;if(u.target||l.metaKey||l.ctrlKey)return L;let d=new URL(u.href);return d.search=d.hash="",f.includes(`${d}`)?(l.preventDefault(),j(new URL(u.href))):L}),le());i.pipe(xe(1)).subscribe(()=>{let l=ce("link[rel=icon]");typeof l!="undefined"&&(l.href=l.href)}),h(window,"beforeunload").subscribe(()=>{history.scrollRestoration="auto"}),i.pipe(ne(t)).subscribe(([l,{offset:f}])=>{history.scrollRestoration="manual",history.replaceState(f,""),history.pushState(null,"",l)}),i.subscribe(e);let s=e.pipe(V(pe()),ee("pathname"),je(1),E(l=>ar(l,{progress$:r}).pipe(de(()=>(ot(l,!0),L))))),a=new DOMParser,c=s.pipe(E(l=>l.text()),E(l=>{let f=a.parseFromString(l,"text/html");for(let b of["[data-md-component=announce]","[data-md-component=container]","[data-md-component=header-topic]","[data-md-component=outdated]","[data-md-component=logo]","[data-md-component=skip]",...te("navigation.tabs.sticky")?["[data-md-component=tabs]"]:[]]){let z=ce(b),K=ce(b,f);typeof z!="undefined"&&typeof K!="undefined"&&z.replaceWith(K)}let u=jn(document.head),d=jn(f.head);for(let[b,z]of d)z.getAttribute("rel")==="stylesheet"||z.hasAttribute("src")||(u.has(b)?u.delete(b):document.head.appendChild(z));for(let b of u.values())b.getAttribute("rel")==="stylesheet"||b.hasAttribute("src")||b.remove();let v=Ee("container");return Fe(q("script",v)).pipe(E(b=>{let z=f.createElement("script");if(b.src){for(let K of b.getAttributeNames())z.setAttribute(K,b.getAttribute(K));return b.replaceWith(z),new P(K=>{z.onload=()=>K.complete()})}else return z.textContent=b.textContent,b.replaceWith(z),L}),Z(),re(f))}),le());return h(window,"popstate").pipe(m(pe)).subscribe(e),e.pipe(V(pe()),Le(2,1),M(([l,f])=>l.pathname===f.pathname&&l.hash!==f.hash),m(([,l])=>l)).subscribe(l=>{var f,u;history.state!==null||!l.hash?window.scrollTo(0,(u=(f=history.state)==null?void 0:f.y)!=null?u:0):(history.scrollRestoration="auto",ir(l.hash),history.scrollRestoration="manual")}),e.pipe(kr(i),V(pe()),Le(2,1),M(([l,f])=>l.pathname===f.pathname&&l.hash===f.hash),m(([,l])=>l)).subscribe(l=>{history.scrollRestoration="auto",ir(l.hash),history.scrollRestoration="manual",history.back()}),c.pipe(ne(e)).subscribe(([,l])=>{var f,u;history.state!==null||!l.hash?window.scrollTo(0,(u=(f=history.state)==null?void 0:f.y)!=null?u:0):ir(l.hash)}),t.pipe(ee("offset"),ke(100)).subscribe(({offset:l})=>{history.replaceState(l,"")}),c}var Dn=Ht(Nn());function Vn(e){let t=e.separator.split("|").map(n=>n.replace(/(\(\?[!=<][^)]+\))/g,"").length===0?"\uFFFD":n).join("|"),r=new RegExp(t,"img"),o=(n,i,s)=>`${i}${s}`;return n=>{n=n.replace(/[\s*+\-:~^]+/g," ").trim();let i=new RegExp(`(^|${e.separator}|)(${n.replace(/[|\\{}()[\]^$+*?.-]/g,"\\$&").replace(r,"|")})`,"img");return s=>(0,Dn.default)(s).replace(i,o).replace(/<\/mark>(\s+)]*>/img,"$1")}}function Mt(e){return e.type===1}function lr(e){return e.type===3}function zn(e,t){let r=an(e);return _(j(location.protocol!=="file:"),We("search")).pipe($e(o=>o),E(()=>t)).subscribe(({config:o,docs:n})=>r.next({type:0,data:{config:o,docs:n,options:{suggest:te("search.suggest")}}})),r}function qn({document$:e}){let t=me(),r=Ue(new URL("../versions.json",t.base)).pipe(de(()=>L)),o=r.pipe(m(n=>{let[,i]=t.base.match(/([^/]+)\/?$/);return n.find(({version:s,aliases:a})=>s===i||a.includes(i))||n[0]}));r.pipe(m(n=>new Map(n.map(i=>[`${new URL(`../${i.version}/`,t.base)}`,i]))),E(n=>h(document.body,"click").pipe(M(i=>!i.metaKey&&!i.ctrlKey),ne(o),E(([i,s])=>{if(i.target instanceof Element){let a=i.target.closest("a");if(a&&!a.target&&n.has(a.href)){let c=a.href;return!i.target.closest(".md-version")&&n.get(c)===s?L:(i.preventDefault(),j(c))}}return L}),E(i=>{let{version:s}=n.get(i);return pr(new URL(i)).pipe(m(a=>{let p=pe().href.replace(t.base,"");return a.includes(p.split("#")[0])?new URL(`../${s}/${p}`,t.base):new URL(i)}))})))).subscribe(n=>ot(n,!0)),B([r,o]).subscribe(([n,i])=>{W(".md-header__topic").appendChild(hn(n,i))}),e.pipe(E(()=>o)).subscribe(n=>{var s;let i=__md_get("__outdated",sessionStorage);if(i===null){i=!0;let a=((s=t.version)==null?void 0:s.default)||"latest";Array.isArray(a)||(a=[a]);e:for(let c of a)for(let p of n.aliases)if(new RegExp(c,"i").test(p)){i=!1;break e}__md_set("__outdated",i,sessionStorage)}if(i)for(let a of oe("outdated"))a.hidden=!1})}function Pa(e,{worker$:t}){let{searchParams:r}=pe();r.has("q")&&(Ke("search",!0),e.value=r.get("q"),e.focus(),We("search").pipe($e(i=>!i)).subscribe(()=>{let i=pe();i.searchParams.delete("q"),history.replaceState({},"",`${i}`)}));let o=Zt(e),n=_(t.pipe($e(Mt)),h(e,"keyup"),o).pipe(m(()=>e.value),X());return B([n,o]).pipe(m(([i,s])=>({value:i,focus:s})),J(1))}function Kn(e,{worker$:t}){let r=new x,o=r.pipe(Z(),re(!0));B([t.pipe($e(Mt)),r],(i,s)=>s).pipe(ee("value")).subscribe(({value:i})=>t.next({type:2,data:i})),r.pipe(ee("focus")).subscribe(({focus:i})=>{i&&Ke("search",i)}),h(e.form,"reset").pipe(Y(o)).subscribe(()=>e.focus());let n=W("header [for=__search]");return h(n,"click").subscribe(()=>e.focus()),Pa(e,{worker$:t}).pipe(w(i=>r.next(i)),A(()=>r.complete()),m(i=>R({ref:e},i)),J(1))}function Qn(e,{worker$:t,query$:r}){let o=new x,n=Ko(e.parentElement).pipe(M(Boolean)),i=e.parentElement,s=W(":scope > :first-child",e),a=W(":scope > :last-child",e);We("search").subscribe(l=>a.setAttribute("role",l?"list":"presentation")),o.pipe(ne(r),Rr(t.pipe($e(Mt)))).subscribe(([{items:l},{value:f}])=>{switch(l.length){case 0:s.textContent=f.length?be("search.result.none"):be("search.result.placeholder");break;case 1:s.textContent=be("search.result.one");break;default:let u=tr(l.length);s.textContent=be("search.result.other",u)}});let c=o.pipe(w(()=>a.innerHTML=""),E(({items:l})=>_(j(...l.slice(0,10)),j(...l.slice(10)).pipe(Le(4),Fr(n),E(([f])=>f)))),m(fn),le());return c.subscribe(l=>a.appendChild(l)),c.pipe(se(l=>{let f=ce("details",l);return typeof f=="undefined"?L:h(f,"toggle").pipe(Y(o),m(()=>f))})).subscribe(l=>{l.open===!1&&l.offsetTop<=i.scrollTop&&i.scrollTo({top:l.offsetTop})}),t.pipe(M(lr),m(({data:l})=>l)).pipe(w(l=>o.next(l)),A(()=>o.complete()),m(l=>R({ref:e},l)))}function Ia(e,{query$:t}){return t.pipe(m(({value:r})=>{let o=pe();return o.hash="",r=r.replace(/\s+/g,"+").replace(/&/g,"%26").replace(/=/g,"%3D"),o.search=`q=${r}`,{url:o}}))}function Yn(e,t){let r=new x,o=r.pipe(Z(),re(!0));return r.subscribe(({url:n})=>{e.setAttribute("data-clipboard-text",e.href),e.href=`${n}`}),h(e,"click").pipe(Y(o)).subscribe(n=>n.preventDefault()),Ia(e,t).pipe(w(n=>r.next(n)),A(()=>r.complete()),m(n=>R({ref:e},n)))}function Bn(e,{worker$:t,keyboard$:r}){let o=new 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scope\n * @see https://github.com/WICG/focus-visible\n */\n function applyFocusVisiblePolyfill(scope) {\n var hadKeyboardEvent = true;\n var hadFocusVisibleRecently = false;\n var hadFocusVisibleRecentlyTimeout = null;\n\n var inputTypesAllowlist = {\n text: true,\n search: true,\n url: true,\n tel: true,\n email: true,\n password: true,\n number: true,\n date: true,\n month: true,\n week: true,\n time: true,\n datetime: true,\n 'datetime-local': true\n };\n\n /**\n * Helper function for legacy browsers and iframes which sometimes focus\n * elements like document, body, and non-interactive SVG.\n * @param {Element} el\n */\n function isValidFocusTarget(el) {\n if (\n el &&\n el !== document &&\n el.nodeName !== 'HTML' &&\n el.nodeName !== 'BODY' &&\n 'classList' in el &&\n 'contains' in el.classList\n ) {\n return true;\n }\n return false;\n }\n\n /**\n * Computes whether the given element should automatically trigger the\n * `focus-visible` class being added, i.e. whether it should always match\n * `:focus-visible` when focused.\n * @param {Element} el\n * @return {boolean}\n */\n function focusTriggersKeyboardModality(el) {\n var type = el.type;\n var tagName = el.tagName;\n\n if (tagName === 'INPUT' && inputTypesAllowlist[type] && !el.readOnly) {\n return true;\n }\n\n if (tagName === 'TEXTAREA' && !el.readOnly) {\n return true;\n }\n\n if (el.isContentEditable) {\n return true;\n }\n\n return false;\n }\n\n /**\n * Add the `focus-visible` class to the given element if it was not added by\n * the author.\n * @param {Element} el\n */\n function addFocusVisibleClass(el) {\n if (el.classList.contains('focus-visible')) {\n return;\n }\n el.classList.add('focus-visible');\n el.setAttribute('data-focus-visible-added', '');\n }\n\n /**\n * Remove the `focus-visible` class from the given element if it was not\n * originally added by the author.\n * @param {Element} el\n */\n function removeFocusVisibleClass(el) {\n if (!el.hasAttribute('data-focus-visible-added')) {\n return;\n }\n el.classList.remove('focus-visible');\n el.removeAttribute('data-focus-visible-added');\n }\n\n /**\n * If the most recent user interaction was via the keyboard;\n * and the key press did not include a meta, alt/option, or control key;\n * then the modality is keyboard. Otherwise, the modality is not keyboard.\n * Apply `focus-visible` to any current active element and keep track\n * of our keyboard modality state with `hadKeyboardEvent`.\n * @param {KeyboardEvent} e\n */\n function onKeyDown(e) {\n if (e.metaKey || e.altKey || e.ctrlKey) {\n return;\n }\n\n if (isValidFocusTarget(scope.activeElement)) {\n addFocusVisibleClass(scope.activeElement);\n }\n\n hadKeyboardEvent = true;\n }\n\n /**\n * If at any point a user clicks with a pointing device, ensure that we change\n * the modality away from keyboard.\n * This avoids the situation where a user presses a key on an already focused\n * element, and then clicks on a different element, focusing it with a\n * pointing device, while we still think we're in keyboard modality.\n * @param {Event} e\n */\n function onPointerDown(e) {\n hadKeyboardEvent = false;\n }\n\n /**\n * On `focus`, add the `focus-visible` class to the target if:\n * - the target received focus as a result of keyboard navigation, or\n * - the event target is an element that will likely require interaction\n * via the keyboard (e.g. a text box)\n * @param {Event} e\n */\n function onFocus(e) {\n // Prevent IE from focusing the document or HTML element.\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (hadKeyboardEvent || focusTriggersKeyboardModality(e.target)) {\n addFocusVisibleClass(e.target);\n }\n }\n\n /**\n * On `blur`, remove the `focus-visible` class from the target.\n * @param {Event} e\n */\n function onBlur(e) {\n if (!isValidFocusTarget(e.target)) {\n return;\n }\n\n if (\n e.target.classList.contains('focus-visible') ||\n e.target.hasAttribute('data-focus-visible-added')\n ) {\n // To detect a tab/window switch, we look for a blur event followed\n // rapidly by a visibility change.\n // If we don't see a visibility change within 100ms, it's probably a\n // regular focus change.\n hadFocusVisibleRecently = true;\n window.clearTimeout(hadFocusVisibleRecentlyTimeout);\n hadFocusVisibleRecentlyTimeout = window.setTimeout(function() {\n hadFocusVisibleRecently = false;\n }, 100);\n removeFocusVisibleClass(e.target);\n }\n }\n\n /**\n * If the user changes tabs, keep track of whether or not the previously\n * focused element had .focus-visible.\n * @param {Event} e\n */\n function onVisibilityChange(e) {\n if (document.visibilityState === 'hidden') {\n // If the tab becomes active again, the browser will handle calling focus\n // on the element (Safari actually calls it twice).\n // If this tab change caused a blur on an element with focus-visible,\n // re-apply the class when the user switches back to the tab.\n if (hadFocusVisibleRecently) {\n hadKeyboardEvent = true;\n }\n addInitialPointerMoveListeners();\n }\n }\n\n /**\n * Add a group of listeners to detect usage of any pointing devices.\n * These listeners will be added when the polyfill first loads, and anytime\n * the window is blurred, so that they are active when the window regains\n * focus.\n */\n function addInitialPointerMoveListeners() {\n document.addEventListener('mousemove', onInitialPointerMove);\n document.addEventListener('mousedown', onInitialPointerMove);\n document.addEventListener('mouseup', onInitialPointerMove);\n document.addEventListener('pointermove', onInitialPointerMove);\n document.addEventListener('pointerdown', onInitialPointerMove);\n document.addEventListener('pointerup', onInitialPointerMove);\n document.addEventListener('touchmove', onInitialPointerMove);\n document.addEventListener('touchstart', onInitialPointerMove);\n document.addEventListener('touchend', onInitialPointerMove);\n }\n\n function removeInitialPointerMoveListeners() {\n document.removeEventListener('mousemove', onInitialPointerMove);\n document.removeEventListener('mousedown', onInitialPointerMove);\n document.removeEventListener('mouseup', onInitialPointerMove);\n document.removeEventListener('pointermove', onInitialPointerMove);\n document.removeEventListener('pointerdown', onInitialPointerMove);\n document.removeEventListener('pointerup', onInitialPointerMove);\n document.removeEventListener('touchmove', onInitialPointerMove);\n document.removeEventListener('touchstart', onInitialPointerMove);\n document.removeEventListener('touchend', onInitialPointerMove);\n }\n\n /**\n * When the polfyill first loads, assume the user is in keyboard modality.\n * If any event is received from a pointing device (e.g. mouse, pointer,\n * touch), turn off keyboard modality.\n * This accounts for situations where focus enters the page from the URL bar.\n * @param {Event} e\n */\n function onInitialPointerMove(e) {\n // Work around a Safari quirk that fires a mousemove on whenever the\n // window blurs, even if you're tabbing out of the page. \u00AF\\_(\u30C4)_/\u00AF\n if (e.target.nodeName && e.target.nodeName.toLowerCase() === 'html') {\n return;\n }\n\n hadKeyboardEvent = false;\n removeInitialPointerMoveListeners();\n }\n\n // For some kinds of state, we are interested in changes at the global scope\n // only. For example, global pointer input, global key presses and global\n // visibility change should affect the state at every scope:\n document.addEventListener('keydown', onKeyDown, true);\n document.addEventListener('mousedown', onPointerDown, true);\n document.addEventListener('pointerdown', onPointerDown, true);\n document.addEventListener('touchstart', onPointerDown, true);\n document.addEventListener('visibilitychange', onVisibilityChange, true);\n\n addInitialPointerMoveListeners();\n\n // For focus and blur, we specifically care about state changes in the local\n // scope. This is because focus / blur events that originate from within a\n // shadow root are not re-dispatched from the host element if it was already\n // the active element in its own scope:\n scope.addEventListener('focus', onFocus, true);\n scope.addEventListener('blur', onBlur, true);\n\n // We detect that a node is a ShadowRoot by ensuring that it is a\n // DocumentFragment and also has a host property. This check covers native\n // implementation and polyfill implementation transparently. If we only cared\n // about the native implementation, we could just check if the scope was\n // an instance of a ShadowRoot.\n if (scope.nodeType === Node.DOCUMENT_FRAGMENT_NODE && scope.host) {\n // Since a ShadowRoot is a special kind of DocumentFragment, it does not\n // have a root element to add a class to. So, we add this attribute to the\n // host element instead:\n scope.host.setAttribute('data-js-focus-visible', '');\n } else if (scope.nodeType === Node.DOCUMENT_NODE) {\n document.documentElement.classList.add('js-focus-visible');\n document.documentElement.setAttribute('data-js-focus-visible', '');\n }\n }\n\n // It is important to wrap all references to global window and document in\n // these checks to support server-side rendering use cases\n // @see https://github.com/WICG/focus-visible/issues/199\n if (typeof window !== 'undefined' && typeof document !== 'undefined') {\n // Make the polyfill helper globally available. This can be used as a signal\n // to interested libraries that wish to coordinate with the polyfill for e.g.,\n // applying the polyfill to a shadow root:\n window.applyFocusVisiblePolyfill = applyFocusVisiblePolyfill;\n\n // Notify interested libraries of the polyfill's presence, in case the\n // polyfill was loaded lazily:\n var event;\n\n try {\n event = new CustomEvent('focus-visible-polyfill-ready');\n } catch (error) {\n // IE11 does not support using CustomEvent as a constructor directly:\n event = document.createEvent('CustomEvent');\n event.initCustomEvent('focus-visible-polyfill-ready', false, false, {});\n }\n\n window.dispatchEvent(event);\n }\n\n if (typeof document !== 'undefined') {\n // Apply the polyfill to the global document, so that no JavaScript\n // coordination is required to use the polyfill in the top-level document:\n applyFocusVisiblePolyfill(document);\n }\n\n})));\n", "/*!\n * clipboard.js v2.0.11\n * https://clipboardjs.com/\n *\n * Licensed MIT \u00A9 Zeno Rocha\n */\n(function webpackUniversalModuleDefinition(root, factory) {\n\tif(typeof exports === 'object' && typeof module === 'object')\n\t\tmodule.exports = factory();\n\telse if(typeof define === 'function' && define.amd)\n\t\tdefine([], factory);\n\telse if(typeof exports === 'object')\n\t\texports[\"ClipboardJS\"] = factory();\n\telse\n\t\troot[\"ClipboardJS\"] = factory();\n})(this, function() {\nreturn /******/ (function() { // webpackBootstrap\n/******/ \tvar __webpack_modules__ = ({\n\n/***/ 686:\n/***/ (function(__unused_webpack_module, __webpack_exports__, __webpack_require__) {\n\n\"use strict\";\n\n// EXPORTS\n__webpack_require__.d(__webpack_exports__, {\n \"default\": function() { return /* binding */ clipboard; }\n});\n\n// EXTERNAL MODULE: ./node_modules/tiny-emitter/index.js\nvar tiny_emitter = __webpack_require__(279);\nvar tiny_emitter_default = /*#__PURE__*/__webpack_require__.n(tiny_emitter);\n// EXTERNAL MODULE: ./node_modules/good-listener/src/listen.js\nvar listen = __webpack_require__(370);\nvar listen_default = /*#__PURE__*/__webpack_require__.n(listen);\n// EXTERNAL MODULE: ./node_modules/select/src/select.js\nvar src_select = __webpack_require__(817);\nvar select_default = /*#__PURE__*/__webpack_require__.n(src_select);\n;// CONCATENATED MODULE: ./src/common/command.js\n/**\n * Executes a given operation type.\n * @param {String} type\n * @return {Boolean}\n */\nfunction command(type) {\n try {\n return document.execCommand(type);\n } catch (err) {\n return false;\n }\n}\n;// CONCATENATED MODULE: ./src/actions/cut.js\n\n\n/**\n * Cut action wrapper.\n * @param {String|HTMLElement} target\n * @return {String}\n */\n\nvar ClipboardActionCut = function ClipboardActionCut(target) {\n var selectedText = select_default()(target);\n command('cut');\n return selectedText;\n};\n\n/* harmony default export */ var actions_cut = (ClipboardActionCut);\n;// CONCATENATED MODULE: ./src/common/create-fake-element.js\n/**\n * Creates a fake textarea element with a value.\n * @param {String} value\n * @return {HTMLElement}\n */\nfunction createFakeElement(value) {\n var isRTL = document.documentElement.getAttribute('dir') === 'rtl';\n var fakeElement = document.createElement('textarea'); // Prevent zooming on iOS\n\n fakeElement.style.fontSize = '12pt'; // Reset box model\n\n fakeElement.style.border = '0';\n fakeElement.style.padding = '0';\n fakeElement.style.margin = '0'; // Move element out of screen horizontally\n\n fakeElement.style.position = 'absolute';\n fakeElement.style[isRTL ? 'right' : 'left'] = '-9999px'; // Move element to the same position vertically\n\n var yPosition = window.pageYOffset || document.documentElement.scrollTop;\n fakeElement.style.top = \"\".concat(yPosition, \"px\");\n fakeElement.setAttribute('readonly', '');\n fakeElement.value = value;\n return fakeElement;\n}\n;// CONCATENATED MODULE: ./src/actions/copy.js\n\n\n\n/**\n * Create fake copy action wrapper using a fake element.\n * @param {String} target\n * @param {Object} options\n * @return {String}\n */\n\nvar fakeCopyAction = function fakeCopyAction(value, options) {\n var fakeElement = createFakeElement(value);\n options.container.appendChild(fakeElement);\n var selectedText = select_default()(fakeElement);\n command('copy');\n fakeElement.remove();\n return selectedText;\n};\n/**\n * Copy action wrapper.\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @return {String}\n */\n\n\nvar ClipboardActionCopy = function ClipboardActionCopy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n var selectedText = '';\n\n if (typeof target === 'string') {\n selectedText = fakeCopyAction(target, options);\n } else if (target instanceof HTMLInputElement && !['text', 'search', 'url', 'tel', 'password'].includes(target === null || target === void 0 ? void 0 : target.type)) {\n // If input type doesn't support `setSelectionRange`. Simulate it. https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/setSelectionRange\n selectedText = fakeCopyAction(target.value, options);\n } else {\n selectedText = select_default()(target);\n command('copy');\n }\n\n return selectedText;\n};\n\n/* harmony default export */ var actions_copy = (ClipboardActionCopy);\n;// CONCATENATED MODULE: ./src/actions/default.js\nfunction _typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return _typeof(obj); }\n\n\n\n/**\n * Inner function which performs selection from either `text` or `target`\n * properties and then executes copy or cut operations.\n * @param {Object} options\n */\n\nvar ClipboardActionDefault = function ClipboardActionDefault() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n // Defines base properties passed from constructor.\n var _options$action = options.action,\n action = _options$action === void 0 ? 'copy' : _options$action,\n container = options.container,\n target = options.target,\n text = options.text; // Sets the `action` to be performed which can be either 'copy' or 'cut'.\n\n if (action !== 'copy' && action !== 'cut') {\n throw new Error('Invalid \"action\" value, use either \"copy\" or \"cut\"');\n } // Sets the `target` property using an element that will be have its content copied.\n\n\n if (target !== undefined) {\n if (target && _typeof(target) === 'object' && target.nodeType === 1) {\n if (action === 'copy' && target.hasAttribute('disabled')) {\n throw new Error('Invalid \"target\" attribute. Please use \"readonly\" instead of \"disabled\" attribute');\n }\n\n if (action === 'cut' && (target.hasAttribute('readonly') || target.hasAttribute('disabled'))) {\n throw new Error('Invalid \"target\" attribute. You can\\'t cut text from elements with \"readonly\" or \"disabled\" attributes');\n }\n } else {\n throw new Error('Invalid \"target\" value, use a valid Element');\n }\n } // Define selection strategy based on `text` property.\n\n\n if (text) {\n return actions_copy(text, {\n container: container\n });\n } // Defines which selection strategy based on `target` property.\n\n\n if (target) {\n return action === 'cut' ? actions_cut(target) : actions_copy(target, {\n container: container\n });\n }\n};\n\n/* harmony default export */ var actions_default = (ClipboardActionDefault);\n;// CONCATENATED MODULE: ./src/clipboard.js\nfunction clipboard_typeof(obj) { \"@babel/helpers - typeof\"; if (typeof Symbol === \"function\" && typeof Symbol.iterator === \"symbol\") { clipboard_typeof = function _typeof(obj) { return typeof obj; }; } else { clipboard_typeof = function _typeof(obj) { return obj && typeof Symbol === \"function\" && obj.constructor === Symbol && obj !== Symbol.prototype ? \"symbol\" : typeof obj; }; } return clipboard_typeof(obj); }\n\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if (\"value\" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }\n\nfunction _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function\"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }\n\nfunction _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }\n\nfunction _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }\n\nfunction _possibleConstructorReturn(self, call) { if (call && (clipboard_typeof(call) === \"object\" || typeof call === \"function\")) { return call; } return _assertThisInitialized(self); }\n\nfunction _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return self; }\n\nfunction _isNativeReflectConstruct() { if (typeof Reflect === \"undefined\" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === \"function\") return true; try { Date.prototype.toString.call(Reflect.construct(Date, [], function () {})); return true; } catch (e) { return false; } }\n\nfunction _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }\n\n\n\n\n\n\n/**\n * Helper function to retrieve attribute value.\n * @param {String} suffix\n * @param {Element} element\n */\n\nfunction getAttributeValue(suffix, element) {\n var attribute = \"data-clipboard-\".concat(suffix);\n\n if (!element.hasAttribute(attribute)) {\n return;\n }\n\n return element.getAttribute(attribute);\n}\n/**\n * Base class which takes one or more elements, adds event listeners to them,\n * and instantiates a new `ClipboardAction` on each click.\n */\n\n\nvar Clipboard = /*#__PURE__*/function (_Emitter) {\n _inherits(Clipboard, _Emitter);\n\n var _super = _createSuper(Clipboard);\n\n /**\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n * @param {Object} options\n */\n function Clipboard(trigger, options) {\n var _this;\n\n _classCallCheck(this, Clipboard);\n\n _this = _super.call(this);\n\n _this.resolveOptions(options);\n\n _this.listenClick(trigger);\n\n return _this;\n }\n /**\n * Defines if attributes would be resolved using internal setter functions\n * or custom functions that were passed in the constructor.\n * @param {Object} options\n */\n\n\n _createClass(Clipboard, [{\n key: \"resolveOptions\",\n value: function resolveOptions() {\n var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n this.action = typeof options.action === 'function' ? options.action : this.defaultAction;\n this.target = typeof options.target === 'function' ? options.target : this.defaultTarget;\n this.text = typeof options.text === 'function' ? options.text : this.defaultText;\n this.container = clipboard_typeof(options.container) === 'object' ? options.container : document.body;\n }\n /**\n * Adds a click event listener to the passed trigger.\n * @param {String|HTMLElement|HTMLCollection|NodeList} trigger\n */\n\n }, {\n key: \"listenClick\",\n value: function listenClick(trigger) {\n var _this2 = this;\n\n this.listener = listen_default()(trigger, 'click', function (e) {\n return _this2.onClick(e);\n });\n }\n /**\n * Defines a new `ClipboardAction` on each click event.\n * @param {Event} e\n */\n\n }, {\n key: \"onClick\",\n value: function onClick(e) {\n var trigger = e.delegateTarget || e.currentTarget;\n var action = this.action(trigger) || 'copy';\n var text = actions_default({\n action: action,\n container: this.container,\n target: this.target(trigger),\n text: this.text(trigger)\n }); // Fires an event based on the copy operation result.\n\n this.emit(text ? 'success' : 'error', {\n action: action,\n text: text,\n trigger: trigger,\n clearSelection: function clearSelection() {\n if (trigger) {\n trigger.focus();\n }\n\n window.getSelection().removeAllRanges();\n }\n });\n }\n /**\n * Default `action` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultAction\",\n value: function defaultAction(trigger) {\n return getAttributeValue('action', trigger);\n }\n /**\n * Default `target` lookup function.\n * @param {Element} trigger\n */\n\n }, {\n key: \"defaultTarget\",\n value: function defaultTarget(trigger) {\n var selector = getAttributeValue('target', trigger);\n\n if (selector) {\n return document.querySelector(selector);\n }\n }\n /**\n * Allow fire programmatically a copy action\n * @param {String|HTMLElement} target\n * @param {Object} options\n * @returns Text copied.\n */\n\n }, {\n key: \"defaultText\",\n\n /**\n * Default `text` lookup function.\n * @param {Element} trigger\n */\n value: function defaultText(trigger) {\n return getAttributeValue('text', trigger);\n }\n /**\n * Destroy lifecycle.\n */\n\n }, {\n key: \"destroy\",\n value: function destroy() {\n this.listener.destroy();\n }\n }], [{\n key: \"copy\",\n value: function copy(target) {\n var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {\n container: document.body\n };\n return actions_copy(target, options);\n }\n /**\n * Allow fire programmatically a cut action\n * @param {String|HTMLElement} target\n * @returns Text cutted.\n */\n\n }, {\n key: \"cut\",\n value: function cut(target) {\n return actions_cut(target);\n }\n /**\n * Returns the support of the given action, or all actions if no action is\n * given.\n * @param {String} [action]\n */\n\n }, {\n key: \"isSupported\",\n value: function isSupported() {\n var action = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ['copy', 'cut'];\n var actions = typeof action === 'string' ? [action] : action;\n var support = !!document.queryCommandSupported;\n actions.forEach(function (action) {\n support = support && !!document.queryCommandSupported(action);\n });\n return support;\n }\n }]);\n\n return Clipboard;\n}((tiny_emitter_default()));\n\n/* harmony default export */ var clipboard = (Clipboard);\n\n/***/ }),\n\n/***/ 828:\n/***/ (function(module) {\n\nvar DOCUMENT_NODE_TYPE = 9;\n\n/**\n * A polyfill for Element.matches()\n */\nif (typeof Element !== 'undefined' && !Element.prototype.matches) {\n var proto = Element.prototype;\n\n proto.matches = proto.matchesSelector ||\n proto.mozMatchesSelector ||\n proto.msMatchesSelector ||\n proto.oMatchesSelector ||\n proto.webkitMatchesSelector;\n}\n\n/**\n * Finds the closest parent that matches a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @return {Function}\n */\nfunction closest (element, selector) {\n while (element && element.nodeType !== DOCUMENT_NODE_TYPE) {\n if (typeof element.matches === 'function' &&\n element.matches(selector)) {\n return element;\n }\n element = element.parentNode;\n }\n}\n\nmodule.exports = closest;\n\n\n/***/ }),\n\n/***/ 438:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar closest = __webpack_require__(828);\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction _delegate(element, selector, type, callback, useCapture) {\n var listenerFn = listener.apply(this, arguments);\n\n element.addEventListener(type, listenerFn, useCapture);\n\n return {\n destroy: function() {\n element.removeEventListener(type, listenerFn, useCapture);\n }\n }\n}\n\n/**\n * Delegates event to a selector.\n *\n * @param {Element|String|Array} [elements]\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @param {Boolean} useCapture\n * @return {Object}\n */\nfunction delegate(elements, selector, type, callback, useCapture) {\n // Handle the regular Element usage\n if (typeof elements.addEventListener === 'function') {\n return _delegate.apply(null, arguments);\n }\n\n // Handle Element-less usage, it defaults to global delegation\n if (typeof type === 'function') {\n // Use `document` as the first parameter, then apply arguments\n // This is a short way to .unshift `arguments` without running into deoptimizations\n return _delegate.bind(null, document).apply(null, arguments);\n }\n\n // Handle Selector-based usage\n if (typeof elements === 'string') {\n elements = document.querySelectorAll(elements);\n }\n\n // Handle Array-like based usage\n return Array.prototype.map.call(elements, function (element) {\n return _delegate(element, selector, type, callback, useCapture);\n });\n}\n\n/**\n * Finds closest match and invokes callback.\n *\n * @param {Element} element\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Function}\n */\nfunction listener(element, selector, type, callback) {\n return function(e) {\n e.delegateTarget = closest(e.target, selector);\n\n if (e.delegateTarget) {\n callback.call(element, e);\n }\n }\n}\n\nmodule.exports = delegate;\n\n\n/***/ }),\n\n/***/ 879:\n/***/ (function(__unused_webpack_module, exports) {\n\n/**\n * Check if argument is a HTML element.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.node = function(value) {\n return value !== undefined\n && value instanceof HTMLElement\n && value.nodeType === 1;\n};\n\n/**\n * Check if argument is a list of HTML elements.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.nodeList = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return value !== undefined\n && (type === '[object NodeList]' || type === '[object HTMLCollection]')\n && ('length' in value)\n && (value.length === 0 || exports.node(value[0]));\n};\n\n/**\n * Check if argument is a string.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.string = function(value) {\n return typeof value === 'string'\n || value instanceof String;\n};\n\n/**\n * Check if argument is a function.\n *\n * @param {Object} value\n * @return {Boolean}\n */\nexports.fn = function(value) {\n var type = Object.prototype.toString.call(value);\n\n return type === '[object Function]';\n};\n\n\n/***/ }),\n\n/***/ 370:\n/***/ (function(module, __unused_webpack_exports, __webpack_require__) {\n\nvar is = __webpack_require__(879);\nvar delegate = __webpack_require__(438);\n\n/**\n * Validates all params and calls the right\n * listener function based on its target type.\n *\n * @param {String|HTMLElement|HTMLCollection|NodeList} target\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listen(target, type, callback) {\n if (!target && !type && !callback) {\n throw new Error('Missing required arguments');\n }\n\n if (!is.string(type)) {\n throw new TypeError('Second argument must be a String');\n }\n\n if (!is.fn(callback)) {\n throw new TypeError('Third argument must be a Function');\n }\n\n if (is.node(target)) {\n return listenNode(target, type, callback);\n }\n else if (is.nodeList(target)) {\n return listenNodeList(target, type, callback);\n }\n else if (is.string(target)) {\n return listenSelector(target, type, callback);\n }\n else {\n throw new TypeError('First argument must be a String, HTMLElement, HTMLCollection, or NodeList');\n }\n}\n\n/**\n * Adds an event listener to a HTML element\n * and returns a remove listener function.\n *\n * @param {HTMLElement} node\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNode(node, type, callback) {\n node.addEventListener(type, callback);\n\n return {\n destroy: function() {\n node.removeEventListener(type, callback);\n }\n }\n}\n\n/**\n * Add an event listener to a list of HTML elements\n * and returns a remove listener function.\n *\n * @param {NodeList|HTMLCollection} nodeList\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenNodeList(nodeList, type, callback) {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.addEventListener(type, callback);\n });\n\n return {\n destroy: function() {\n Array.prototype.forEach.call(nodeList, function(node) {\n node.removeEventListener(type, callback);\n });\n }\n }\n}\n\n/**\n * Add an event listener to a selector\n * and returns a remove listener function.\n *\n * @param {String} selector\n * @param {String} type\n * @param {Function} callback\n * @return {Object}\n */\nfunction listenSelector(selector, type, callback) {\n return delegate(document.body, selector, type, callback);\n}\n\nmodule.exports = listen;\n\n\n/***/ }),\n\n/***/ 817:\n/***/ (function(module) {\n\nfunction select(element) {\n var selectedText;\n\n if (element.nodeName === 'SELECT') {\n element.focus();\n\n selectedText = element.value;\n }\n else if (element.nodeName === 'INPUT' || element.nodeName === 'TEXTAREA') {\n var isReadOnly = element.hasAttribute('readonly');\n\n if (!isReadOnly) {\n element.setAttribute('readonly', '');\n }\n\n element.select();\n element.setSelectionRange(0, element.value.length);\n\n if (!isReadOnly) {\n element.removeAttribute('readonly');\n }\n\n selectedText = element.value;\n }\n else {\n if (element.hasAttribute('contenteditable')) {\n element.focus();\n }\n\n var selection = window.getSelection();\n var range = document.createRange();\n\n range.selectNodeContents(element);\n selection.removeAllRanges();\n selection.addRange(range);\n\n selectedText = selection.toString();\n }\n\n return selectedText;\n}\n\nmodule.exports = select;\n\n\n/***/ }),\n\n/***/ 279:\n/***/ (function(module) {\n\nfunction E () {\n // Keep this empty so it's easier to inherit from\n // (via https://github.com/lipsmack from https://github.com/scottcorgan/tiny-emitter/issues/3)\n}\n\nE.prototype = {\n on: function (name, callback, ctx) {\n var e = this.e || (this.e = {});\n\n (e[name] || (e[name] = [])).push({\n fn: callback,\n ctx: ctx\n });\n\n return this;\n },\n\n once: function (name, callback, ctx) {\n var self = this;\n function listener () {\n self.off(name, listener);\n callback.apply(ctx, arguments);\n };\n\n listener._ = callback\n return this.on(name, listener, ctx);\n },\n\n emit: function (name) {\n var data = [].slice.call(arguments, 1);\n var evtArr = ((this.e || (this.e = {}))[name] || []).slice();\n var i = 0;\n var len = evtArr.length;\n\n for (i; i < len; i++) {\n evtArr[i].fn.apply(evtArr[i].ctx, data);\n }\n\n return this;\n },\n\n off: function (name, callback) {\n var e = this.e || (this.e = {});\n var evts = e[name];\n var liveEvents = [];\n\n if (evts && callback) {\n for (var i = 0, len = evts.length; i < len; i++) {\n if (evts[i].fn !== callback && evts[i].fn._ !== callback)\n liveEvents.push(evts[i]);\n }\n }\n\n // Remove event from queue to prevent memory leak\n // Suggested by https://github.com/lazd\n // Ref: https://github.com/scottcorgan/tiny-emitter/commit/c6ebfaa9bc973b33d110a84a307742b7cf94c953#commitcomment-5024910\n\n (liveEvents.length)\n ? e[name] = liveEvents\n : delete e[name];\n\n return this;\n }\n};\n\nmodule.exports = E;\nmodule.exports.TinyEmitter = E;\n\n\n/***/ })\n\n/******/ \t});\n/************************************************************************/\n/******/ \t// The module cache\n/******/ \tvar __webpack_module_cache__ = {};\n/******/ \t\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(__webpack_module_cache__[moduleId]) {\n/******/ \t\t\treturn __webpack_module_cache__[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = __webpack_module_cache__[moduleId] = {\n/******/ \t\t\t// no module.id needed\n/******/ \t\t\t// no module.loaded needed\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/ \t\n/******/ \t\t// Execute the module function\n/******/ \t\t__webpack_modules__[moduleId](module, module.exports, __webpack_require__);\n/******/ \t\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/ \t\n/************************************************************************/\n/******/ \t/* webpack/runtime/compat get default export */\n/******/ \t!function() {\n/******/ \t\t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t\t__webpack_require__.n = function(module) {\n/******/ \t\t\tvar getter = module && module.__esModule ?\n/******/ \t\t\t\tfunction() { return module['default']; } :\n/******/ \t\t\t\tfunction() { return module; };\n/******/ \t\t\t__webpack_require__.d(getter, { a: getter });\n/******/ \t\t\treturn getter;\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/define property getters */\n/******/ \t!function() {\n/******/ \t\t// define getter functions for harmony exports\n/******/ \t\t__webpack_require__.d = function(exports, definition) {\n/******/ \t\t\tfor(var key in definition) {\n/******/ \t\t\t\tif(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {\n/******/ \t\t\t\t\tObject.defineProperty(exports, key, { enumerable: true, get: definition[key] });\n/******/ \t\t\t\t}\n/******/ \t\t\t}\n/******/ \t\t};\n/******/ \t}();\n/******/ \t\n/******/ \t/* webpack/runtime/hasOwnProperty shorthand */\n/******/ \t!function() {\n/******/ \t\t__webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }\n/******/ \t}();\n/******/ \t\n/************************************************************************/\n/******/ \t// module exports must be returned from runtime so entry inlining is disabled\n/******/ \t// startup\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(686);\n/******/ })()\n.default;\n});", "/*!\n * escape-html\n * Copyright(c) 2012-2013 TJ Holowaychuk\n * Copyright(c) 2015 Andreas Lubbe\n * Copyright(c) 2015 Tiancheng \"Timothy\" Gu\n * MIT Licensed\n */\n\n'use strict';\n\n/**\n * Module variables.\n * @private\n */\n\nvar matchHtmlRegExp = /[\"'&<>]/;\n\n/**\n * Module exports.\n * @public\n */\n\nmodule.exports = escapeHtml;\n\n/**\n * Escape special characters in the given string of html.\n *\n * @param {string} string The string to escape for inserting into HTML\n * @return {string}\n * @public\n */\n\nfunction escapeHtml(string) {\n var str = '' + string;\n var match = matchHtmlRegExp.exec(str);\n\n if (!match) {\n return str;\n }\n\n var escape;\n var html = '';\n var index = 0;\n var lastIndex = 0;\n\n for (index = match.index; index < str.length; index++) {\n switch (str.charCodeAt(index)) {\n case 34: // \"\n escape = '"';\n break;\n case 38: // &\n escape = '&';\n break;\n case 39: // '\n escape = ''';\n break;\n case 60: // <\n escape = '<';\n break;\n case 62: // >\n escape = '>';\n break;\n default:\n continue;\n }\n\n if (lastIndex !== index) {\n html += str.substring(lastIndex, index);\n }\n\n lastIndex = index + 1;\n html += escape;\n }\n\n return lastIndex !== index\n ? html + str.substring(lastIndex, index)\n : html;\n}\n", "/*\n * Copyright (c) 2016-2023 Martin Donath \n *\n * Permission is hereby granted, free of charge, to any person obtaining a copy\n * of this software and associated documentation files (the \"Software\"), to\n * deal in the Software without restriction, including without limitation the\n * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n * sell copies of the Software, and to permit persons to whom the Software is\n * furnished to do so, subject to the following conditions:\n *\n * The above copyright notice and this permission notice shall be included in\n * all copies or substantial portions of the Software.\n *\n * THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE\n * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING\n * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS\n * IN THE SOFTWARE.\n */\n\nimport \"focus-visible\"\n\nimport {\n EMPTY,\n NEVER,\n Observable,\n Subject,\n defer,\n delay,\n filter,\n map,\n merge,\n mergeWith,\n shareReplay,\n switchMap\n} from \"rxjs\"\n\nimport { configuration, feature } from \"./_\"\nimport {\n at,\n getActiveElement,\n getOptionalElement,\n requestJSON,\n setLocation,\n setToggle,\n watchDocument,\n watchKeyboard,\n watchLocation,\n watchLocationTarget,\n watchMedia,\n watchPrint,\n watchScript,\n watchViewport\n} from \"./browser\"\nimport {\n getComponentElement,\n getComponentElements,\n mountAnnounce,\n mountBackToTop,\n mountConsent,\n mountContent,\n mountDialog,\n mountHeader,\n mountHeaderTitle,\n mountPalette,\n mountProgress,\n mountSearch,\n mountSearchHiglight,\n mountSidebar,\n mountSource,\n mountTableOfContents,\n mountTabs,\n watchHeader,\n watchMain\n} from \"./components\"\nimport {\n SearchIndex,\n setupClipboardJS,\n setupInstantNavigation,\n setupVersionSelector\n} from \"./integrations\"\nimport {\n patchIndeterminate,\n patchScrollfix,\n patchScrolllock\n} from \"./patches\"\nimport \"./polyfills\"\n\n/* ----------------------------------------------------------------------------\n * Functions - @todo refactor\n * ------------------------------------------------------------------------- */\n\n/**\n * Fetch search index\n *\n * @returns Search index observable\n */\nfunction fetchSearchIndex(): Observable {\n if (location.protocol === \"file:\") {\n return watchScript(\n `${new URL(\"search/search_index.js\", config.base)}`\n )\n .pipe(\n // @ts-ignore - @todo fix typings\n map(() => __index),\n shareReplay(1)\n )\n } else {\n return requestJSON(\n new URL(\"search/search_index.json\", config.base)\n )\n }\n}\n\n/* ----------------------------------------------------------------------------\n * Application\n * ------------------------------------------------------------------------- */\n\n/* Yay, JavaScript is available */\ndocument.documentElement.classList.remove(\"no-js\")\ndocument.documentElement.classList.add(\"js\")\n\n/* Set up navigation observables and subjects */\nconst document$ = watchDocument()\nconst location$ = watchLocation()\nconst target$ = watchLocationTarget(location$)\nconst keyboard$ = watchKeyboard()\n\n/* Set up media observables */\nconst viewport$ = watchViewport()\nconst tablet$ = watchMedia(\"(min-width: 960px)\")\nconst screen$ = watchMedia(\"(min-width: 1220px)\")\nconst print$ = watchPrint()\n\n/* Retrieve search index, if search is enabled */\nconst config = configuration()\nconst index$ = document.forms.namedItem(\"search\")\n ? fetchSearchIndex()\n : NEVER\n\n/* Set up Clipboard.js integration */\nconst alert$ = new Subject()\nsetupClipboardJS({ alert$ })\n\n/* Set up progress indicator */\nconst progress$ = new Subject()\n\n/* Set up instant navigation, if enabled */\nif (feature(\"navigation.instant\"))\n setupInstantNavigation({ location$, viewport$, progress$ })\n .subscribe(document$)\n\n/* Set up version selector */\nif (config.version?.provider === \"mike\")\n setupVersionSelector({ document$ })\n\n/* Always close drawer and search on navigation */\nmerge(location$, target$)\n .pipe(\n delay(125)\n )\n .subscribe(() => {\n setToggle(\"drawer\", false)\n setToggle(\"search\", false)\n })\n\n/* Set up global keyboard handlers */\nkeyboard$\n .pipe(\n filter(({ mode }) => mode === \"global\")\n )\n .subscribe(key => {\n switch (key.type) {\n\n /* Go to previous page */\n case \"p\":\n case \",\":\n const prev = getOptionalElement(\"link[rel=prev]\")\n if (typeof prev !== \"undefined\")\n setLocation(prev)\n break\n\n /* Go to next page */\n case \"n\":\n case \".\":\n const next = getOptionalElement(\"link[rel=next]\")\n if (typeof next !== \"undefined\")\n setLocation(next)\n break\n\n /* Expand navigation, see https://bit.ly/3ZjG5io */\n case \"Enter\":\n const active = getActiveElement()\n if (active instanceof HTMLLabelElement)\n active.click()\n }\n })\n\n/* Set up patches */\npatchIndeterminate({ document$, tablet$ })\npatchScrollfix({ document$ })\npatchScrolllock({ viewport$, tablet$ })\n\n/* Set up header and main area observable */\nconst header$ = watchHeader(getComponentElement(\"header\"), { viewport$ })\nconst main$ = document$\n .pipe(\n map(() => getComponentElement(\"main\")),\n switchMap(el => watchMain(el, { viewport$, header$ })),\n shareReplay(1)\n )\n\n/* Set up control component observables */\nconst control$ = merge(\n\n /* Consent */\n ...getComponentElements(\"consent\")\n .map(el => mountConsent(el, { target$ })),\n\n /* Dialog */\n ...getComponentElements(\"dialog\")\n .map(el => mountDialog(el, { alert$ })),\n\n /* Header */\n ...getComponentElements(\"header\")\n .map(el => mountHeader(el, { viewport$, header$, main$ })),\n\n /* Color palette */\n ...getComponentElements(\"palette\")\n .map(el => mountPalette(el)),\n\n /* Progress bar */\n ...getComponentElements(\"progress\")\n .map(el => mountProgress(el, { progress$ })),\n\n /* Search */\n ...getComponentElements(\"search\")\n .map(el => mountSearch(el, { index$, keyboard$ })),\n\n /* Repository information */\n ...getComponentElements(\"source\")\n .map(el => mountSource(el))\n)\n\n/* Set up content component observables */\nconst content$ = defer(() => merge(\n\n /* Announcement bar */\n ...getComponentElements(\"announce\")\n .map(el => mountAnnounce(el)),\n\n /* Content */\n ...getComponentElements(\"content\")\n .map(el => mountContent(el, { viewport$, target$, print$ })),\n\n /* Search highlighting */\n ...getComponentElements(\"content\")\n .map(el => feature(\"search.highlight\")\n ? mountSearchHiglight(el, { index$, location$ })\n : EMPTY\n ),\n\n /* Header title */\n ...getComponentElements(\"header-title\")\n .map(el => mountHeaderTitle(el, { viewport$, header$ })),\n\n /* Sidebar */\n ...getComponentElements(\"sidebar\")\n .map(el => el.getAttribute(\"data-md-type\") === \"navigation\"\n ? at(screen$, () => mountSidebar(el, { viewport$, header$, main$ }))\n : at(tablet$, () => mountSidebar(el, { viewport$, header$, main$ }))\n ),\n\n /* Navigation tabs */\n ...getComponentElements(\"tabs\")\n .map(el => mountTabs(el, { viewport$, header$ })),\n\n /* Table of contents */\n ...getComponentElements(\"toc\")\n .map(el => mountTableOfContents(el, {\n viewport$, header$, main$, target$\n })),\n\n /* Back-to-top button */\n ...getComponentElements(\"top\")\n .map(el => mountBackToTop(el, { viewport$, header$, main$, target$ }))\n))\n\n/* Set up component observables */\nconst component$ = document$\n .pipe(\n switchMap(() => content$),\n mergeWith(control$),\n shareReplay(1)\n )\n\n/* Subscribe to all components */\ncomponent$.subscribe()\n\n/* ----------------------------------------------------------------------------\n * Exports\n * ------------------------------------------------------------------------- */\n\nwindow.document$ = document$ /* Document observable */\nwindow.location$ = location$ /* Location subject */\nwindow.target$ = target$ /* Location target observable */\nwindow.keyboard$ = keyboard$ /* Keyboard observable */\nwindow.viewport$ = viewport$ /* Viewport observable */\nwindow.tablet$ = tablet$ /* Media tablet observable */\nwindow.screen$ = screen$ /* Media screen observable */\nwindow.print$ = print$ /* Media print observable */\nwindow.alert$ = alert$ /* Alert subject */\nwindow.progress$ = progress$ /* Progress indicator subject */\nwindow.component$ = component$ /* Component observable */\n", "/*! *****************************************************************************\r\nCopyright (c) Microsoft Corporation.\r\n\r\nPermission to use, copy, modify, and/or distribute this software for any\r\npurpose with or without fee is hereby granted.\r\n\r\nTHE SOFTWARE IS PROVIDED \"AS IS\" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH\r\nREGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY\r\nAND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,\r\nINDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM\r\nLOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR\r\nOTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR\r\nPERFORMANCE OF THIS SOFTWARE.\r\n***************************************************************************** */\r\n/* global Reflect, Promise */\r\n\r\nvar extendStatics = function(d, b) {\r\n extendStatics = Object.setPrototypeOf ||\r\n ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||\r\n function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };\r\n return extendStatics(d, b);\r\n};\r\n\r\nexport function __extends(d, b) {\r\n if (typeof b !== \"function\" && b !== null)\r\n throw new TypeError(\"Class extends value \" + String(b) + \" is not a constructor or null\");\r\n extendStatics(d, b);\r\n function __() { this.constructor = d; }\r\n d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());\r\n}\r\n\r\nexport var __assign = function() {\r\n __assign = Object.assign || function __assign(t) {\r\n for (var s, i = 1, n = arguments.length; i < n; i++) {\r\n s = arguments[i];\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];\r\n }\r\n return t;\r\n }\r\n return __assign.apply(this, arguments);\r\n}\r\n\r\nexport function __rest(s, e) {\r\n var t = {};\r\n for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)\r\n t[p] = s[p];\r\n if (s != null && typeof Object.getOwnPropertySymbols === \"function\")\r\n for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {\r\n if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))\r\n t[p[i]] = s[p[i]];\r\n }\r\n return t;\r\n}\r\n\r\nexport function __decorate(decorators, target, key, desc) {\r\n var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;\r\n if (typeof Reflect === \"object\" && typeof Reflect.decorate === \"function\") r = Reflect.decorate(decorators, target, key, desc);\r\n else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;\r\n return c > 3 && r && Object.defineProperty(target, key, r), r;\r\n}\r\n\r\nexport function __param(paramIndex, decorator) {\r\n return function (target, key) { decorator(target, key, paramIndex); }\r\n}\r\n\r\nexport function __metadata(metadataKey, metadataValue) {\r\n if (typeof Reflect === \"object\" && typeof Reflect.metadata === \"function\") return Reflect.metadata(metadataKey, metadataValue);\r\n}\r\n\r\nexport function __awaiter(thisArg, _arguments, P, generator) {\r\n function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }\r\n return new (P || (P = Promise))(function (resolve, reject) {\r\n function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }\r\n function rejected(value) { try { step(generator[\"throw\"](value)); } catch (e) { reject(e); } }\r\n function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }\r\n step((generator = generator.apply(thisArg, _arguments || [])).next());\r\n });\r\n}\r\n\r\nexport function __generator(thisArg, body) {\r\n var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;\r\n return g = { next: verb(0), \"throw\": verb(1), \"return\": verb(2) }, typeof Symbol === \"function\" && (g[Symbol.iterator] = function() { return this; }), g;\r\n function verb(n) { return function (v) { return step([n, v]); }; }\r\n function step(op) {\r\n if (f) throw new TypeError(\"Generator is already executing.\");\r\n while (_) try {\r\n if (f = 1, y && (t = op[0] & 2 ? y[\"return\"] : op[0] ? y[\"throw\"] || ((t = y[\"return\"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;\r\n if (y = 0, t) op = [op[0] & 2, t.value];\r\n switch (op[0]) {\r\n case 0: case 1: t = op; break;\r\n case 4: _.label++; return { value: op[1], done: false };\r\n case 5: _.label++; y = op[1]; op = [0]; continue;\r\n case 7: op = _.ops.pop(); _.trys.pop(); continue;\r\n default:\r\n if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }\r\n if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }\r\n if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }\r\n if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }\r\n if (t[2]) _.ops.pop();\r\n _.trys.pop(); continue;\r\n }\r\n op = body.call(thisArg, _);\r\n } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }\r\n if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };\r\n }\r\n}\r\n\r\nexport var __createBinding = Object.create ? (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });\r\n}) : (function(o, m, k, k2) {\r\n if (k2 === undefined) k2 = k;\r\n o[k2] = m[k];\r\n});\r\n\r\nexport function __exportStar(m, o) {\r\n for (var p in m) if (p !== \"default\" && !Object.prototype.hasOwnProperty.call(o, p)) __createBinding(o, m, p);\r\n}\r\n\r\nexport function __values(o) {\r\n var s = typeof Symbol === \"function\" && Symbol.iterator, m = s && o[s], i = 0;\r\n if (m) return m.call(o);\r\n if (o && typeof o.length === \"number\") return {\r\n next: function () {\r\n if (o && i >= o.length) o = void 0;\r\n return { value: o && o[i++], done: !o };\r\n }\r\n };\r\n throw new TypeError(s ? \"Object is not iterable.\" : \"Symbol.iterator is not defined.\");\r\n}\r\n\r\nexport function __read(o, n) {\r\n var m = typeof Symbol === \"function\" && o[Symbol.iterator];\r\n if (!m) return o;\r\n var i = m.call(o), r, ar = [], e;\r\n try {\r\n while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);\r\n }\r\n catch (error) { e = { error: error }; }\r\n finally {\r\n try {\r\n if (r && !r.done && (m = i[\"return\"])) m.call(i);\r\n }\r\n finally { if (e) throw e.error; }\r\n }\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spread() {\r\n for (var ar = [], i = 0; i < arguments.length; i++)\r\n ar = ar.concat(__read(arguments[i]));\r\n return ar;\r\n}\r\n\r\n/** @deprecated */\r\nexport function __spreadArrays() {\r\n for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;\r\n for (var r = Array(s), k = 0, i = 0; i < il; i++)\r\n for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)\r\n r[k] = a[j];\r\n return r;\r\n}\r\n\r\nexport function __spreadArray(to, from, pack) {\r\n if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {\r\n if (ar || !(i in from)) {\r\n if (!ar) ar = Array.prototype.slice.call(from, 0, i);\r\n ar[i] = from[i];\r\n }\r\n }\r\n return to.concat(ar || Array.prototype.slice.call(from));\r\n}\r\n\r\nexport function __await(v) {\r\n return this instanceof __await ? (this.v = v, this) : new __await(v);\r\n}\r\n\r\nexport function __asyncGenerator(thisArg, _arguments, generator) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var g = generator.apply(thisArg, _arguments || []), i, q = [];\r\n return i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i;\r\n function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }\r\n function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }\r\n function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }\r\n function fulfill(value) { resume(\"next\", value); }\r\n function reject(value) { resume(\"throw\", value); }\r\n function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }\r\n}\r\n\r\nexport function __asyncDelegator(o) {\r\n var i, p;\r\n return i = {}, verb(\"next\"), verb(\"throw\", function (e) { throw e; }), verb(\"return\"), i[Symbol.iterator] = function () { return this; }, i;\r\n function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === \"return\" } : f ? f(v) : v; } : f; }\r\n}\r\n\r\nexport function __asyncValues(o) {\r\n if (!Symbol.asyncIterator) throw new TypeError(\"Symbol.asyncIterator is not defined.\");\r\n var m = o[Symbol.asyncIterator], i;\r\n return m ? m.call(o) : (o = typeof __values === \"function\" ? __values(o) : o[Symbol.iterator](), i = {}, verb(\"next\"), verb(\"throw\"), verb(\"return\"), i[Symbol.asyncIterator] = function () { return this; }, i);\r\n function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }\r\n function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }\r\n}\r\n\r\nexport function __makeTemplateObject(cooked, raw) {\r\n if (Object.defineProperty) { Object.defineProperty(cooked, \"raw\", { value: raw }); } else { cooked.raw = raw; }\r\n return cooked;\r\n};\r\n\r\nvar __setModuleDefault = Object.create ? (function(o, v) {\r\n Object.defineProperty(o, \"default\", { enumerable: true, value: v });\r\n}) : function(o, v) {\r\n o[\"default\"] = v;\r\n};\r\n\r\nexport function __importStar(mod) {\r\n if (mod && mod.__esModule) return mod;\r\n var result = {};\r\n if (mod != null) for (var k in mod) if (k !== \"default\" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);\r\n __setModuleDefault(result, mod);\r\n return result;\r\n}\r\n\r\nexport function __importDefault(mod) {\r\n return (mod && mod.__esModule) ? mod : { default: mod };\r\n}\r\n\r\nexport function __classPrivateFieldGet(receiver, state, kind, f) {\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a getter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot read private member from an object whose class did not declare it\");\r\n return kind === \"m\" ? f : kind === \"a\" ? f.call(receiver) : f ? f.value : state.get(receiver);\r\n}\r\n\r\nexport function __classPrivateFieldSet(receiver, state, value, kind, f) {\r\n if (kind === \"m\") throw new TypeError(\"Private method is not writable\");\r\n if (kind === \"a\" && !f) throw new TypeError(\"Private accessor was defined without a setter\");\r\n if (typeof state === \"function\" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError(\"Cannot write private member to an object whose class did not declare it\");\r\n return (kind === \"a\" ? f.call(receiver, value) : f ? f.value = value : state.set(receiver, value)), value;\r\n}\r\n", "/**\n * Returns true if the object is a function.\n * @param value The value to check\n */\nexport function isFunction(value: any): value is (...args: any[]) => any {\n return typeof value === 'function';\n}\n", "/**\n * Used to create Error subclasses until the community moves away from ES5.\n *\n * This is because compiling from TypeScript down to ES5 has issues with subclassing Errors\n * as well as other built-in types: https://github.com/Microsoft/TypeScript/issues/12123\n *\n * @param createImpl A factory function to create the actual constructor implementation. The returned\n * function should be a named function that calls `_super` internally.\n */\nexport function createErrorClass(createImpl: (_super: any) => any): T {\n const _super = (instance: any) => {\n Error.call(instance);\n instance.stack = new Error().stack;\n };\n\n const ctorFunc = createImpl(_super);\n ctorFunc.prototype = Object.create(Error.prototype);\n ctorFunc.prototype.constructor = ctorFunc;\n return ctorFunc;\n}\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface UnsubscriptionError extends Error {\n readonly errors: any[];\n}\n\nexport interface UnsubscriptionErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (errors: any[]): UnsubscriptionError;\n}\n\n/**\n * An error thrown when one or more errors have occurred during the\n * `unsubscribe` of a {@link Subscription}.\n */\nexport const UnsubscriptionError: UnsubscriptionErrorCtor = createErrorClass(\n (_super) =>\n function UnsubscriptionErrorImpl(this: any, errors: (Error | string)[]) {\n _super(this);\n this.message = errors\n ? `${errors.length} errors occurred during unsubscription:\n${errors.map((err, i) => `${i + 1}) ${err.toString()}`).join('\\n ')}`\n : '';\n this.name = 'UnsubscriptionError';\n this.errors = errors;\n }\n);\n", "/**\n * Removes an item from an array, mutating it.\n * @param arr The array to remove the item from\n * @param item The item to remove\n */\nexport function arrRemove(arr: T[] | undefined | null, item: T) {\n if (arr) {\n const index = arr.indexOf(item);\n 0 <= index && arr.splice(index, 1);\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { UnsubscriptionError } from './util/UnsubscriptionError';\nimport { SubscriptionLike, TeardownLogic, Unsubscribable } from './types';\nimport { arrRemove } from './util/arrRemove';\n\n/**\n * Represents a disposable resource, such as the execution of an Observable. A\n * Subscription has one important method, `unsubscribe`, that takes no argument\n * and just disposes the resource held by the subscription.\n *\n * Additionally, subscriptions may be grouped together through the `add()`\n * method, which will attach a child Subscription to the current Subscription.\n * When a Subscription is unsubscribed, all its children (and its grandchildren)\n * will be unsubscribed as well.\n *\n * @class Subscription\n */\nexport class Subscription implements SubscriptionLike {\n /** @nocollapse */\n public static EMPTY = (() => {\n const empty = new Subscription();\n empty.closed = true;\n return empty;\n })();\n\n /**\n * A flag to indicate whether this Subscription has already been unsubscribed.\n */\n public closed = false;\n\n private _parentage: Subscription[] | Subscription | null = null;\n\n /**\n * The list of registered finalizers to execute upon unsubscription. Adding and removing from this\n * list occurs in the {@link #add} and {@link #remove} methods.\n */\n private _finalizers: Exclude[] | null = null;\n\n /**\n * @param initialTeardown A function executed first as part of the finalization\n * process that is kicked off when {@link #unsubscribe} is called.\n */\n constructor(private initialTeardown?: () => void) {}\n\n /**\n * Disposes the resources held by the subscription. May, for instance, cancel\n * an ongoing Observable execution or cancel any other type of work that\n * started when the Subscription was created.\n * @return {void}\n */\n unsubscribe(): void {\n let errors: any[] | undefined;\n\n if (!this.closed) {\n this.closed = true;\n\n // Remove this from it's parents.\n const { _parentage } = this;\n if (_parentage) {\n this._parentage = null;\n if (Array.isArray(_parentage)) {\n for (const parent of _parentage) {\n parent.remove(this);\n }\n } else {\n _parentage.remove(this);\n }\n }\n\n const { initialTeardown: initialFinalizer } = this;\n if (isFunction(initialFinalizer)) {\n try {\n initialFinalizer();\n } catch (e) {\n errors = e instanceof UnsubscriptionError ? e.errors : [e];\n }\n }\n\n const { _finalizers } = this;\n if (_finalizers) {\n this._finalizers = null;\n for (const finalizer of _finalizers) {\n try {\n execFinalizer(finalizer);\n } catch (err) {\n errors = errors ?? [];\n if (err instanceof UnsubscriptionError) {\n errors = [...errors, ...err.errors];\n } else {\n errors.push(err);\n }\n }\n }\n }\n\n if (errors) {\n throw new UnsubscriptionError(errors);\n }\n }\n }\n\n /**\n * Adds a finalizer to this subscription, so that finalization will be unsubscribed/called\n * when this subscription is unsubscribed. If this subscription is already {@link #closed},\n * because it has already been unsubscribed, then whatever finalizer is passed to it\n * will automatically be executed (unless the finalizer itself is also a closed subscription).\n *\n * Closed Subscriptions cannot be added as finalizers to any subscription. Adding a closed\n * subscription to a any subscription will result in no operation. (A noop).\n *\n * Adding a subscription to itself, or adding `null` or `undefined` will not perform any\n * operation at all. (A noop).\n *\n * `Subscription` instances that are added to this instance will automatically remove themselves\n * if they are unsubscribed. Functions and {@link Unsubscribable} objects that you wish to remove\n * will need to be removed manually with {@link #remove}\n *\n * @param teardown The finalization logic to add to this subscription.\n */\n add(teardown: TeardownLogic): void {\n // Only add the finalizer if it's not undefined\n // and don't add a subscription to itself.\n if (teardown && teardown !== this) {\n if (this.closed) {\n // If this subscription is already closed,\n // execute whatever finalizer is handed to it automatically.\n execFinalizer(teardown);\n } else {\n if (teardown instanceof Subscription) {\n // We don't add closed subscriptions, and we don't add the same subscription\n // twice. Subscription unsubscribe is idempotent.\n if (teardown.closed || teardown._hasParent(this)) {\n return;\n }\n teardown._addParent(this);\n }\n (this._finalizers = this._finalizers ?? []).push(teardown);\n }\n }\n }\n\n /**\n * Checks to see if a this subscription already has a particular parent.\n * This will signal that this subscription has already been added to the parent in question.\n * @param parent the parent to check for\n */\n private _hasParent(parent: Subscription) {\n const { _parentage } = this;\n return _parentage === parent || (Array.isArray(_parentage) && _parentage.includes(parent));\n }\n\n /**\n * Adds a parent to this subscription so it can be removed from the parent if it\n * unsubscribes on it's own.\n *\n * NOTE: THIS ASSUMES THAT {@link _hasParent} HAS ALREADY BEEN CHECKED.\n * @param parent The parent subscription to add\n */\n private _addParent(parent: Subscription) {\n const { _parentage } = this;\n this._parentage = Array.isArray(_parentage) ? (_parentage.push(parent), _parentage) : _parentage ? [_parentage, parent] : parent;\n }\n\n /**\n * Called on a child when it is removed via {@link #remove}.\n * @param parent The parent to remove\n */\n private _removeParent(parent: Subscription) {\n const { _parentage } = this;\n if (_parentage === parent) {\n this._parentage = null;\n } else if (Array.isArray(_parentage)) {\n arrRemove(_parentage, parent);\n }\n }\n\n /**\n * Removes a finalizer from this subscription that was previously added with the {@link #add} method.\n *\n * Note that `Subscription` instances, when unsubscribed, will automatically remove themselves\n * from every other `Subscription` they have been added to. This means that using the `remove` method\n * is not a common thing and should be used thoughtfully.\n *\n * If you add the same finalizer instance of a function or an unsubscribable object to a `Subscription` instance\n * more than once, you will need to call `remove` the same number of times to remove all instances.\n *\n * All finalizer instances are removed to free up memory upon unsubscription.\n *\n * @param teardown The finalizer to remove from this subscription\n */\n remove(teardown: Exclude): void {\n const { _finalizers } = this;\n _finalizers && arrRemove(_finalizers, teardown);\n\n if (teardown instanceof Subscription) {\n teardown._removeParent(this);\n }\n }\n}\n\nexport const EMPTY_SUBSCRIPTION = Subscription.EMPTY;\n\nexport function isSubscription(value: any): value is Subscription {\n return (\n value instanceof Subscription ||\n (value && 'closed' in value && isFunction(value.remove) && isFunction(value.add) && isFunction(value.unsubscribe))\n );\n}\n\nfunction execFinalizer(finalizer: Unsubscribable | (() => void)) {\n if (isFunction(finalizer)) {\n finalizer();\n } else {\n finalizer.unsubscribe();\n }\n}\n", "import { Subscriber } from './Subscriber';\nimport { ObservableNotification } from './types';\n\n/**\n * The {@link GlobalConfig} object for RxJS. It is used to configure things\n * like how to react on unhandled errors.\n */\nexport const config: GlobalConfig = {\n onUnhandledError: null,\n onStoppedNotification: null,\n Promise: undefined,\n useDeprecatedSynchronousErrorHandling: false,\n useDeprecatedNextContext: false,\n};\n\n/**\n * The global configuration object for RxJS, used to configure things\n * like how to react on unhandled errors. Accessible via {@link config}\n * object.\n */\nexport interface GlobalConfig {\n /**\n * A registration point for unhandled errors from RxJS. These are errors that\n * cannot were not handled by consuming code in the usual subscription path. For\n * example, if you have this configured, and you subscribe to an observable without\n * providing an error handler, errors from that subscription will end up here. This\n * will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onUnhandledError: ((err: any) => void) | null;\n\n /**\n * A registration point for notifications that cannot be sent to subscribers because they\n * have completed, errored or have been explicitly unsubscribed. By default, next, complete\n * and error notifications sent to stopped subscribers are noops. However, sometimes callers\n * might want a different behavior. For example, with sources that attempt to report errors\n * to stopped subscribers, a caller can configure RxJS to throw an unhandled error instead.\n * This will _always_ be called asynchronously on another job in the runtime. This is because\n * we do not want errors thrown in this user-configured handler to interfere with the\n * behavior of the library.\n */\n onStoppedNotification: ((notification: ObservableNotification, subscriber: Subscriber) => void) | null;\n\n /**\n * The promise constructor used by default for {@link Observable#toPromise toPromise} and {@link Observable#forEach forEach}\n * methods.\n *\n * @deprecated As of version 8, RxJS will no longer support this sort of injection of a\n * Promise constructor. If you need a Promise implementation other than native promises,\n * please polyfill/patch Promise as you see appropriate. Will be removed in v8.\n */\n Promise?: PromiseConstructorLike;\n\n /**\n * If true, turns on synchronous error rethrowing, which is a deprecated behavior\n * in v6 and higher. This behavior enables bad patterns like wrapping a subscribe\n * call in a try/catch block. It also enables producer interference, a nasty bug\n * where a multicast can be broken for all observers by a downstream consumer with\n * an unhandled error. DO NOT USE THIS FLAG UNLESS IT'S NEEDED TO BUY TIME\n * FOR MIGRATION REASONS.\n *\n * @deprecated As of version 8, RxJS will no longer support synchronous throwing\n * of unhandled errors. All errors will be thrown on a separate call stack to prevent bad\n * behaviors described above. Will be removed in v8.\n */\n useDeprecatedSynchronousErrorHandling: boolean;\n\n /**\n * If true, enables an as-of-yet undocumented feature from v5: The ability to access\n * `unsubscribe()` via `this` context in `next` functions created in observers passed\n * to `subscribe`.\n *\n * This is being removed because the performance was severely problematic, and it could also cause\n * issues when types other than POJOs are passed to subscribe as subscribers, as they will likely have\n * their `this` context overwritten.\n *\n * @deprecated As of version 8, RxJS will no longer support altering the\n * context of next functions provided as part of an observer to Subscribe. Instead,\n * you will have access to a subscription or a signal or token that will allow you to do things like\n * unsubscribe and test closed status. Will be removed in v8.\n */\n useDeprecatedNextContext: boolean;\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetTimeoutFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearTimeoutFunction = (handle: TimerHandle) => void;\n\ninterface TimeoutProvider {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n delegate:\n | {\n setTimeout: SetTimeoutFunction;\n clearTimeout: ClearTimeoutFunction;\n }\n | undefined;\n}\n\nexport const timeoutProvider: TimeoutProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setTimeout(handler: () => void, timeout?: number, ...args) {\n const { delegate } = timeoutProvider;\n if (delegate?.setTimeout) {\n return delegate.setTimeout(handler, timeout, ...args);\n }\n return setTimeout(handler, timeout, ...args);\n },\n clearTimeout(handle) {\n const { delegate } = timeoutProvider;\n return (delegate?.clearTimeout || clearTimeout)(handle as any);\n },\n delegate: undefined,\n};\n", "import { config } from '../config';\nimport { timeoutProvider } from '../scheduler/timeoutProvider';\n\n/**\n * Handles an error on another job either with the user-configured {@link onUnhandledError},\n * or by throwing it on that new job so it can be picked up by `window.onerror`, `process.on('error')`, etc.\n *\n * This should be called whenever there is an error that is out-of-band with the subscription\n * or when an error hits a terminal boundary of the subscription and no error handler was provided.\n *\n * @param err the error to report\n */\nexport function reportUnhandledError(err: any) {\n timeoutProvider.setTimeout(() => {\n const { onUnhandledError } = config;\n if (onUnhandledError) {\n // Execute the user-configured error handler.\n onUnhandledError(err);\n } else {\n // Throw so it is picked up by the runtime's uncaught error mechanism.\n throw err;\n }\n });\n}\n", "/* tslint:disable:no-empty */\nexport function noop() { }\n", "import { CompleteNotification, NextNotification, ErrorNotification } from './types';\n\n/**\n * A completion object optimized for memory use and created to be the\n * same \"shape\" as other notifications in v8.\n * @internal\n */\nexport const COMPLETE_NOTIFICATION = (() => createNotification('C', undefined, undefined) as CompleteNotification)();\n\n/**\n * Internal use only. Creates an optimized error notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function errorNotification(error: any): ErrorNotification {\n return createNotification('E', undefined, error) as any;\n}\n\n/**\n * Internal use only. Creates an optimized next notification that is the same \"shape\"\n * as other notifications.\n * @internal\n */\nexport function nextNotification(value: T) {\n return createNotification('N', value, undefined) as NextNotification;\n}\n\n/**\n * Ensures that all notifications created internally have the same \"shape\" in v8.\n *\n * TODO: This is only exported to support a crazy legacy test in `groupBy`.\n * @internal\n */\nexport function createNotification(kind: 'N' | 'E' | 'C', value: any, error: any) {\n return {\n kind,\n value,\n error,\n };\n}\n", "import { config } from '../config';\n\nlet context: { errorThrown: boolean; error: any } | null = null;\n\n/**\n * Handles dealing with errors for super-gross mode. Creates a context, in which\n * any synchronously thrown errors will be passed to {@link captureError}. Which\n * will record the error such that it will be rethrown after the call back is complete.\n * TODO: Remove in v8\n * @param cb An immediately executed function.\n */\nexport function errorContext(cb: () => void) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n const isRoot = !context;\n if (isRoot) {\n context = { errorThrown: false, error: null };\n }\n cb();\n if (isRoot) {\n const { errorThrown, error } = context!;\n context = null;\n if (errorThrown) {\n throw error;\n }\n }\n } else {\n // This is the general non-deprecated path for everyone that\n // isn't crazy enough to use super-gross mode (useDeprecatedSynchronousErrorHandling)\n cb();\n }\n}\n\n/**\n * Captures errors only in super-gross mode.\n * @param err the error to capture\n */\nexport function captureError(err: any) {\n if (config.useDeprecatedSynchronousErrorHandling && context) {\n context.errorThrown = true;\n context.error = err;\n }\n}\n", "import { isFunction } from './util/isFunction';\nimport { Observer, ObservableNotification } from './types';\nimport { isSubscription, Subscription } from './Subscription';\nimport { config } from './config';\nimport { reportUnhandledError } from './util/reportUnhandledError';\nimport { noop } from './util/noop';\nimport { nextNotification, errorNotification, COMPLETE_NOTIFICATION } from './NotificationFactories';\nimport { timeoutProvider } from './scheduler/timeoutProvider';\nimport { captureError } from './util/errorContext';\n\n/**\n * Implements the {@link Observer} interface and extends the\n * {@link Subscription} class. While the {@link Observer} is the public API for\n * consuming the values of an {@link Observable}, all Observers get converted to\n * a Subscriber, in order to provide Subscription-like capabilities such as\n * `unsubscribe`. Subscriber is a common type in RxJS, and crucial for\n * implementing operators, but it is rarely used as a public API.\n *\n * @class Subscriber\n */\nexport class Subscriber extends Subscription implements Observer {\n /**\n * A static factory for a Subscriber, given a (potentially partial) definition\n * of an Observer.\n * @param next The `next` callback of an Observer.\n * @param error The `error` callback of an\n * Observer.\n * @param complete The `complete` callback of an\n * Observer.\n * @return A Subscriber wrapping the (partially defined)\n * Observer represented by the given arguments.\n * @nocollapse\n * @deprecated Do not use. Will be removed in v8. There is no replacement for this\n * method, and there is no reason to be creating instances of `Subscriber` directly.\n * If you have a specific use case, please file an issue.\n */\n static create(next?: (x?: T) => void, error?: (e?: any) => void, complete?: () => void): Subscriber {\n return new SafeSubscriber(next, error, complete);\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected isStopped: boolean = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n protected destination: Subscriber | Observer; // this `any` is the escape hatch to erase extra type param (e.g. R)\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * There is no reason to directly create an instance of Subscriber. This type is exported for typings reasons.\n */\n constructor(destination?: Subscriber | Observer) {\n super();\n if (destination) {\n this.destination = destination;\n // Automatically chain subscriptions together here.\n // if destination is a Subscription, then it is a Subscriber.\n if (isSubscription(destination)) {\n destination.add(this);\n }\n } else {\n this.destination = EMPTY_OBSERVER;\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `next` from\n * the Observable, with a value. The Observable may call this method 0 or more\n * times.\n * @param {T} [value] The `next` value.\n * @return {void}\n */\n next(value?: T): void {\n if (this.isStopped) {\n handleStoppedNotification(nextNotification(value), this);\n } else {\n this._next(value!);\n }\n }\n\n /**\n * The {@link Observer} callback to receive notifications of type `error` from\n * the Observable, with an attached `Error`. Notifies the Observer that\n * the Observable has experienced an error condition.\n * @param {any} [err] The `error` exception.\n * @return {void}\n */\n error(err?: any): void {\n if (this.isStopped) {\n handleStoppedNotification(errorNotification(err), this);\n } else {\n this.isStopped = true;\n this._error(err);\n }\n }\n\n /**\n * The {@link Observer} callback to receive a valueless notification of type\n * `complete` from the Observable. Notifies the Observer that the Observable\n * has finished sending push-based notifications.\n * @return {void}\n */\n complete(): void {\n if (this.isStopped) {\n handleStoppedNotification(COMPLETE_NOTIFICATION, this);\n } else {\n this.isStopped = true;\n this._complete();\n }\n }\n\n unsubscribe(): void {\n if (!this.closed) {\n this.isStopped = true;\n super.unsubscribe();\n this.destination = null!;\n }\n }\n\n protected _next(value: T): void {\n this.destination.next(value);\n }\n\n protected _error(err: any): void {\n try {\n this.destination.error(err);\n } finally {\n this.unsubscribe();\n }\n }\n\n protected _complete(): void {\n try {\n this.destination.complete();\n } finally {\n this.unsubscribe();\n }\n }\n}\n\n/**\n * This bind is captured here because we want to be able to have\n * compatibility with monoid libraries that tend to use a method named\n * `bind`. In particular, a library called Monio requires this.\n */\nconst _bind = Function.prototype.bind;\n\nfunction bind any>(fn: Fn, thisArg: any): Fn {\n return _bind.call(fn, thisArg);\n}\n\n/**\n * Internal optimization only, DO NOT EXPOSE.\n * @internal\n */\nclass ConsumerObserver implements Observer {\n constructor(private partialObserver: Partial>) {}\n\n next(value: T): void {\n const { partialObserver } = this;\n if (partialObserver.next) {\n try {\n partialObserver.next(value);\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n\n error(err: any): void {\n const { partialObserver } = this;\n if (partialObserver.error) {\n try {\n partialObserver.error(err);\n } catch (error) {\n handleUnhandledError(error);\n }\n } else {\n handleUnhandledError(err);\n }\n }\n\n complete(): void {\n const { partialObserver } = this;\n if (partialObserver.complete) {\n try {\n partialObserver.complete();\n } catch (error) {\n handleUnhandledError(error);\n }\n }\n }\n}\n\nexport class SafeSubscriber extends Subscriber {\n constructor(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((e?: any) => void) | null,\n complete?: (() => void) | null\n ) {\n super();\n\n let partialObserver: Partial>;\n if (isFunction(observerOrNext) || !observerOrNext) {\n // The first argument is a function, not an observer. The next\n // two arguments *could* be observers, or they could be empty.\n partialObserver = {\n next: (observerOrNext ?? undefined) as (((value: T) => void) | undefined),\n error: error ?? undefined,\n complete: complete ?? undefined,\n };\n } else {\n // The first argument is a partial observer.\n let context: any;\n if (this && config.useDeprecatedNextContext) {\n // This is a deprecated path that made `this.unsubscribe()` available in\n // next handler functions passed to subscribe. This only exists behind a flag\n // now, as it is *very* slow.\n context = Object.create(observerOrNext);\n context.unsubscribe = () => this.unsubscribe();\n partialObserver = {\n next: observerOrNext.next && bind(observerOrNext.next, context),\n error: observerOrNext.error && bind(observerOrNext.error, context),\n complete: observerOrNext.complete && bind(observerOrNext.complete, context),\n };\n } else {\n // The \"normal\" path. Just use the partial observer directly.\n partialObserver = observerOrNext;\n }\n }\n\n // Wrap the partial observer to ensure it's a full observer, and\n // make sure proper error handling is accounted for.\n this.destination = new ConsumerObserver(partialObserver);\n }\n}\n\nfunction handleUnhandledError(error: any) {\n if (config.useDeprecatedSynchronousErrorHandling) {\n captureError(error);\n } else {\n // Ideal path, we report this as an unhandled error,\n // which is thrown on a new call stack.\n reportUnhandledError(error);\n }\n}\n\n/**\n * An error handler used when no error handler was supplied\n * to the SafeSubscriber -- meaning no error handler was supplied\n * do the `subscribe` call on our observable.\n * @param err The error to handle\n */\nfunction defaultErrorHandler(err: any) {\n throw err;\n}\n\n/**\n * A handler for notifications that cannot be sent to a stopped subscriber.\n * @param notification The notification being sent\n * @param subscriber The stopped subscriber\n */\nfunction handleStoppedNotification(notification: ObservableNotification, subscriber: Subscriber) {\n const { onStoppedNotification } = config;\n onStoppedNotification && timeoutProvider.setTimeout(() => onStoppedNotification(notification, subscriber));\n}\n\n/**\n * The observer used as a stub for subscriptions where the user did not\n * pass any arguments to `subscribe`. Comes with the default error handling\n * behavior.\n */\nexport const EMPTY_OBSERVER: Readonly> & { closed: true } = {\n closed: true,\n next: noop,\n error: defaultErrorHandler,\n complete: noop,\n};\n", "/**\n * Symbol.observable or a string \"@@observable\". Used for interop\n *\n * @deprecated We will no longer be exporting this symbol in upcoming versions of RxJS.\n * Instead polyfill and use Symbol.observable directly *or* use https://www.npmjs.com/package/symbol-observable\n */\nexport const observable: string | symbol = (() => (typeof Symbol === 'function' && Symbol.observable) || '@@observable')();\n", "/**\n * This function takes one parameter and just returns it. Simply put,\n * this is like `(x: T): T => x`.\n *\n * ## Examples\n *\n * This is useful in some cases when using things like `mergeMap`\n *\n * ```ts\n * import { interval, take, map, range, mergeMap, identity } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(5));\n *\n * const result$ = source$.pipe(\n * map(i => range(i)),\n * mergeMap(identity) // same as mergeMap(x => x)\n * );\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * Or when you want to selectively apply an operator\n *\n * ```ts\n * import { interval, take, identity } from 'rxjs';\n *\n * const shouldLimit = () => Math.random() < 0.5;\n *\n * const source$ = interval(1000);\n *\n * const result$ = source$.pipe(shouldLimit() ? take(5) : identity);\n *\n * result$.subscribe({\n * next: console.log\n * });\n * ```\n *\n * @param x Any value that is returned by this function\n * @returns The value passed as the first parameter to this function\n */\nexport function identity(x: T): T {\n return x;\n}\n", "import { identity } from './identity';\nimport { UnaryFunction } from '../types';\n\nexport function pipe(): typeof identity;\nexport function pipe(fn1: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction): UnaryFunction;\nexport function pipe(fn1: UnaryFunction, fn2: UnaryFunction, fn3: UnaryFunction): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction\n): UnaryFunction;\nexport function pipe(\n fn1: UnaryFunction,\n fn2: UnaryFunction,\n fn3: UnaryFunction,\n fn4: UnaryFunction,\n fn5: UnaryFunction,\n fn6: UnaryFunction,\n fn7: UnaryFunction,\n fn8: UnaryFunction,\n fn9: UnaryFunction,\n ...fns: UnaryFunction[]\n): UnaryFunction;\n\n/**\n * pipe() can be called on one or more functions, each of which can take one argument (\"UnaryFunction\")\n * and uses it to return a value.\n * It returns a function that takes one argument, passes it to the first UnaryFunction, and then\n * passes the result to the next one, passes that result to the next one, and so on. \n */\nexport function pipe(...fns: Array>): UnaryFunction {\n return pipeFromArray(fns);\n}\n\n/** @internal */\nexport function pipeFromArray(fns: Array>): UnaryFunction {\n if (fns.length === 0) {\n return identity as UnaryFunction;\n }\n\n if (fns.length === 1) {\n return fns[0];\n }\n\n return function piped(input: T): R {\n return fns.reduce((prev: any, fn: UnaryFunction) => fn(prev), input as any);\n };\n}\n", "import { Operator } from './Operator';\nimport { SafeSubscriber, Subscriber } from './Subscriber';\nimport { isSubscription, Subscription } from './Subscription';\nimport { TeardownLogic, OperatorFunction, Subscribable, Observer } from './types';\nimport { observable as Symbol_observable } from './symbol/observable';\nimport { pipeFromArray } from './util/pipe';\nimport { config } from './config';\nimport { isFunction } from './util/isFunction';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A representation of any set of values over any amount of time. This is the most basic building block\n * of RxJS.\n *\n * @class Observable\n */\nexport class Observable implements Subscribable {\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n source: Observable | undefined;\n\n /**\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n */\n operator: Operator | undefined;\n\n /**\n * @constructor\n * @param {Function} subscribe the function that is called when the Observable is\n * initially subscribed to. This function is given a Subscriber, to which new values\n * can be `next`ed, or an `error` method can be called to raise an error, or\n * `complete` can be called to notify of a successful completion.\n */\n constructor(subscribe?: (this: Observable, subscriber: Subscriber) => TeardownLogic) {\n if (subscribe) {\n this._subscribe = subscribe;\n }\n }\n\n // HACK: Since TypeScript inherits static properties too, we have to\n // fight against TypeScript here so Subject can have a different static create signature\n /**\n * Creates a new Observable by calling the Observable constructor\n * @owner Observable\n * @method create\n * @param {Function} subscribe? the subscriber function to be passed to the Observable constructor\n * @return {Observable} a new observable\n * @nocollapse\n * @deprecated Use `new Observable()` instead. Will be removed in v8.\n */\n static create: (...args: any[]) => any = (subscribe?: (subscriber: Subscriber) => TeardownLogic) => {\n return new Observable(subscribe);\n };\n\n /**\n * Creates a new Observable, with this Observable instance as the source, and the passed\n * operator defined as the new observable's operator.\n * @method lift\n * @param operator the operator defining the operation to take on the observable\n * @return a new observable with the Operator applied\n * @deprecated Internal implementation detail, do not use directly. Will be made internal in v8.\n * If you have implemented an operator using `lift`, it is recommended that you create an\n * operator by simply returning `new Observable()` directly. See \"Creating new operators from\n * scratch\" section here: https://rxjs.dev/guide/operators\n */\n lift(operator?: Operator): Observable {\n const observable = new Observable();\n observable.source = this;\n observable.operator = operator;\n return observable;\n }\n\n subscribe(observerOrNext?: Partial> | ((value: T) => void)): Subscription;\n /** @deprecated Instead of passing separate callback arguments, use an observer argument. Signatures taking separate callback arguments will be removed in v8. Details: https://rxjs.dev/deprecations/subscribe-arguments */\n subscribe(next?: ((value: T) => void) | null, error?: ((error: any) => void) | null, complete?: (() => void) | null): Subscription;\n /**\n * Invokes an execution of an Observable and registers Observer handlers for notifications it will emit.\n *\n * Use it when you have all these Observables, but still nothing is happening.\n *\n * `subscribe` is not a regular operator, but a method that calls Observable's internal `subscribe` function. It\n * might be for example a function that you passed to Observable's constructor, but most of the time it is\n * a library implementation, which defines what will be emitted by an Observable, and when it be will emitted. This means\n * that calling `subscribe` is actually the moment when Observable starts its work, not when it is created, as it is often\n * the thought.\n *\n * Apart from starting the execution of an Observable, this method allows you to listen for values\n * that an Observable emits, as well as for when it completes or errors. You can achieve this in two\n * of the following ways.\n *\n * The first way is creating an object that implements {@link Observer} interface. It should have methods\n * defined by that interface, but note that it should be just a regular JavaScript object, which you can create\n * yourself in any way you want (ES6 class, classic function constructor, object literal etc.). In particular, do\n * not attempt to use any RxJS implementation details to create Observers - you don't need them. Remember also\n * that your object does not have to implement all methods. If you find yourself creating a method that doesn't\n * do anything, you can simply omit it. Note however, if the `error` method is not provided and an error happens,\n * it will be thrown asynchronously. Errors thrown asynchronously cannot be caught using `try`/`catch`. Instead,\n * use the {@link onUnhandledError} configuration option or use a runtime handler (like `window.onerror` or\n * `process.on('error)`) to be notified of unhandled errors. Because of this, it's recommended that you provide\n * an `error` method to avoid missing thrown errors.\n *\n * The second way is to give up on Observer object altogether and simply provide callback functions in place of its methods.\n * This means you can provide three functions as arguments to `subscribe`, where the first function is equivalent\n * of a `next` method, the second of an `error` method and the third of a `complete` method. Just as in case of an Observer,\n * if you do not need to listen for something, you can omit a function by passing `undefined` or `null`,\n * since `subscribe` recognizes these functions by where they were placed in function call. When it comes\n * to the `error` function, as with an Observer, if not provided, errors emitted by an Observable will be thrown asynchronously.\n *\n * You can, however, subscribe with no parameters at all. This may be the case where you're not interested in terminal events\n * and you also handled emissions internally by using operators (e.g. using `tap`).\n *\n * Whichever style of calling `subscribe` you use, in both cases it returns a Subscription object.\n * This object allows you to call `unsubscribe` on it, which in turn will stop the work that an Observable does and will clean\n * up all resources that an Observable used. Note that cancelling a subscription will not call `complete` callback\n * provided to `subscribe` function, which is reserved for a regular completion signal that comes from an Observable.\n *\n * Remember that callbacks provided to `subscribe` are not guaranteed to be called asynchronously.\n * It is an Observable itself that decides when these functions will be called. For example {@link of}\n * by default emits all its values synchronously. Always check documentation for how given Observable\n * will behave when subscribed and if its default behavior can be modified with a `scheduler`.\n *\n * #### Examples\n *\n * Subscribe with an {@link guide/observer Observer}\n *\n * ```ts\n * import { of } from 'rxjs';\n *\n * const sumObserver = {\n * sum: 0,\n * next(value) {\n * console.log('Adding: ' + value);\n * this.sum = this.sum + value;\n * },\n * error() {\n * // We actually could just remove this method,\n * // since we do not really care about errors right now.\n * },\n * complete() {\n * console.log('Sum equals: ' + this.sum);\n * }\n * };\n *\n * of(1, 2, 3) // Synchronously emits 1, 2, 3 and then completes.\n * .subscribe(sumObserver);\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Subscribe with functions ({@link deprecations/subscribe-arguments deprecated})\n *\n * ```ts\n * import { of } from 'rxjs'\n *\n * let sum = 0;\n *\n * of(1, 2, 3).subscribe(\n * value => {\n * console.log('Adding: ' + value);\n * sum = sum + value;\n * },\n * undefined,\n * () => console.log('Sum equals: ' + sum)\n * );\n *\n * // Logs:\n * // 'Adding: 1'\n * // 'Adding: 2'\n * // 'Adding: 3'\n * // 'Sum equals: 6'\n * ```\n *\n * Cancel a subscription\n *\n * ```ts\n * import { interval } from 'rxjs';\n *\n * const subscription = interval(1000).subscribe({\n * next(num) {\n * console.log(num)\n * },\n * complete() {\n * // Will not be called, even when cancelling subscription.\n * console.log('completed!');\n * }\n * });\n *\n * setTimeout(() => {\n * subscription.unsubscribe();\n * console.log('unsubscribed!');\n * }, 2500);\n *\n * // Logs:\n * // 0 after 1s\n * // 1 after 2s\n * // 'unsubscribed!' after 2.5s\n * ```\n *\n * @param {Observer|Function} observerOrNext (optional) Either an observer with methods to be called,\n * or the first of three possible handlers, which is the handler for each value emitted from the subscribed\n * Observable.\n * @param {Function} error (optional) A handler for a terminal event resulting from an error. If no error handler is provided,\n * the error will be thrown asynchronously as unhandled.\n * @param {Function} complete (optional) A handler for a terminal event resulting from successful completion.\n * @return {Subscription} a subscription reference to the registered handlers\n * @method subscribe\n */\n subscribe(\n observerOrNext?: Partial> | ((value: T) => void) | null,\n error?: ((error: any) => void) | null,\n complete?: (() => void) | null\n ): Subscription {\n const subscriber = isSubscriber(observerOrNext) ? observerOrNext : new SafeSubscriber(observerOrNext, error, complete);\n\n errorContext(() => {\n const { operator, source } = this;\n subscriber.add(\n operator\n ? // We're dealing with a subscription in the\n // operator chain to one of our lifted operators.\n operator.call(subscriber, source)\n : source\n ? // If `source` has a value, but `operator` does not, something that\n // had intimate knowledge of our API, like our `Subject`, must have\n // set it. We're going to just call `_subscribe` directly.\n this._subscribe(subscriber)\n : // In all other cases, we're likely wrapping a user-provided initializer\n // function, so we need to catch errors and handle them appropriately.\n this._trySubscribe(subscriber)\n );\n });\n\n return subscriber;\n }\n\n /** @internal */\n protected _trySubscribe(sink: Subscriber): TeardownLogic {\n try {\n return this._subscribe(sink);\n } catch (err) {\n // We don't need to return anything in this case,\n // because it's just going to try to `add()` to a subscription\n // above.\n sink.error(err);\n }\n }\n\n /**\n * Used as a NON-CANCELLABLE means of subscribing to an observable, for use with\n * APIs that expect promises, like `async/await`. You cannot unsubscribe from this.\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * #### Example\n *\n * ```ts\n * import { interval, take } from 'rxjs';\n *\n * const source$ = interval(1000).pipe(take(4));\n *\n * async function getTotal() {\n * let total = 0;\n *\n * await source$.forEach(value => {\n * total += value;\n * console.log('observable -> ' + value);\n * });\n *\n * return total;\n * }\n *\n * getTotal().then(\n * total => console.log('Total: ' + total)\n * );\n *\n * // Expected:\n * // 'observable -> 0'\n * // 'observable -> 1'\n * // 'observable -> 2'\n * // 'observable -> 3'\n * // 'Total: 6'\n * ```\n *\n * @param next a handler for each value emitted by the observable\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n */\n forEach(next: (value: T) => void): Promise;\n\n /**\n * @param next a handler for each value emitted by the observable\n * @param promiseCtor a constructor function used to instantiate the Promise\n * @return a promise that either resolves on observable completion or\n * rejects with the handled error\n * @deprecated Passing a Promise constructor will no longer be available\n * in upcoming versions of RxJS. This is because it adds weight to the library, for very\n * little benefit. If you need this functionality, it is recommended that you either\n * polyfill Promise, or you create an adapter to convert the returned native promise\n * to whatever promise implementation you wanted. Will be removed in v8.\n */\n forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise;\n\n forEach(next: (value: T) => void, promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n const subscriber = new SafeSubscriber({\n next: (value) => {\n try {\n next(value);\n } catch (err) {\n reject(err);\n subscriber.unsubscribe();\n }\n },\n error: reject,\n complete: resolve,\n });\n this.subscribe(subscriber);\n }) as Promise;\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): TeardownLogic {\n return this.source?.subscribe(subscriber);\n }\n\n /**\n * An interop point defined by the es7-observable spec https://github.com/zenparsing/es-observable\n * @method Symbol.observable\n * @return {Observable} this instance of the observable\n */\n [Symbol_observable]() {\n return this;\n }\n\n /* tslint:disable:max-line-length */\n pipe(): Observable;\n pipe(op1: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction): Observable;\n pipe(op1: OperatorFunction, op2: OperatorFunction, op3: OperatorFunction): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction\n ): Observable;\n pipe(\n op1: OperatorFunction,\n op2: OperatorFunction,\n op3: OperatorFunction,\n op4: OperatorFunction,\n op5: OperatorFunction,\n op6: OperatorFunction,\n op7: OperatorFunction,\n op8: OperatorFunction,\n op9: OperatorFunction,\n ...operations: OperatorFunction[]\n ): Observable;\n /* tslint:enable:max-line-length */\n\n /**\n * Used to stitch together functional operators into a chain.\n * @method pipe\n * @return {Observable} the Observable result of all of the operators having\n * been called in the order they were passed in.\n *\n * ## Example\n *\n * ```ts\n * import { interval, filter, map, scan } from 'rxjs';\n *\n * interval(1000)\n * .pipe(\n * filter(x => x % 2 === 0),\n * map(x => x + x),\n * scan((acc, x) => acc + x)\n * )\n * .subscribe(x => console.log(x));\n * ```\n */\n pipe(...operations: OperatorFunction[]): Observable {\n return pipeFromArray(operations)(this);\n }\n\n /* tslint:disable:max-line-length */\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: typeof Promise): Promise;\n /** @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise */\n toPromise(PromiseCtor: PromiseConstructorLike): Promise;\n /* tslint:enable:max-line-length */\n\n /**\n * Subscribe to this Observable and get a Promise resolving on\n * `complete` with the last emission (if any).\n *\n * **WARNING**: Only use this with observables you *know* will complete. If the source\n * observable does not complete, you will end up with a promise that is hung up, and\n * potentially all of the state of an async function hanging out in memory. To avoid\n * this situation, look into adding something like {@link timeout}, {@link take},\n * {@link takeWhile}, or {@link takeUntil} amongst others.\n *\n * @method toPromise\n * @param [promiseCtor] a constructor function used to instantiate\n * the Promise\n * @return A Promise that resolves with the last value emit, or\n * rejects on an error. If there were no emissions, Promise\n * resolves with undefined.\n * @deprecated Replaced with {@link firstValueFrom} and {@link lastValueFrom}. Will be removed in v8. Details: https://rxjs.dev/deprecations/to-promise\n */\n toPromise(promiseCtor?: PromiseConstructorLike): Promise {\n promiseCtor = getPromiseCtor(promiseCtor);\n\n return new promiseCtor((resolve, reject) => {\n let value: T | undefined;\n this.subscribe(\n (x: T) => (value = x),\n (err: any) => reject(err),\n () => resolve(value)\n );\n }) as Promise;\n }\n}\n\n/**\n * Decides between a passed promise constructor from consuming code,\n * A default configured promise constructor, and the native promise\n * constructor and returns it. If nothing can be found, it will throw\n * an error.\n * @param promiseCtor The optional promise constructor to passed by consuming code\n */\nfunction getPromiseCtor(promiseCtor: PromiseConstructorLike | undefined) {\n return promiseCtor ?? config.Promise ?? Promise;\n}\n\nfunction isObserver(value: any): value is Observer {\n return value && isFunction(value.next) && isFunction(value.error) && isFunction(value.complete);\n}\n\nfunction isSubscriber(value: any): value is Subscriber {\n return (value && value instanceof Subscriber) || (isObserver(value) && isSubscription(value));\n}\n", "import { Observable } from '../Observable';\nimport { Subscriber } from '../Subscriber';\nimport { OperatorFunction } from '../types';\nimport { isFunction } from './isFunction';\n\n/**\n * Used to determine if an object is an Observable with a lift function.\n */\nexport function hasLift(source: any): source is { lift: InstanceType['lift'] } {\n return isFunction(source?.lift);\n}\n\n/**\n * Creates an `OperatorFunction`. Used to define operators throughout the library in a concise way.\n * @param init The logic to connect the liftedSource to the subscriber at the moment of subscription.\n */\nexport function operate(\n init: (liftedSource: Observable, subscriber: Subscriber) => (() => void) | void\n): OperatorFunction {\n return (source: Observable) => {\n if (hasLift(source)) {\n return source.lift(function (this: Subscriber, liftedSource: Observable) {\n try {\n return init(liftedSource, this);\n } catch (err) {\n this.error(err);\n }\n });\n }\n throw new TypeError('Unable to lift unknown Observable type');\n };\n}\n", "import { Subscriber } from '../Subscriber';\n\n/**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional teardown logic here. This will only be called on teardown if the\n * subscriber itself is not already closed. This is called after all other teardown logic is executed.\n */\nexport function createOperatorSubscriber(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n onFinalize?: () => void\n): Subscriber {\n return new OperatorSubscriber(destination, onNext, onComplete, onError, onFinalize);\n}\n\n/**\n * A generic helper for allowing operators to be created with a Subscriber and\n * use closures to capture necessary state from the operator function itself.\n */\nexport class OperatorSubscriber extends Subscriber {\n /**\n * Creates an instance of an `OperatorSubscriber`.\n * @param destination The downstream subscriber.\n * @param onNext Handles next values, only called if this subscriber is not stopped or closed. Any\n * error that occurs in this function is caught and sent to the `error` method of this subscriber.\n * @param onError Handles errors from the subscription, any errors that occur in this handler are caught\n * and send to the `destination` error handler.\n * @param onComplete Handles completion notification from the subscription. Any errors that occur in\n * this handler are sent to the `destination` error handler.\n * @param onFinalize Additional finalization logic here. This will only be called on finalization if the\n * subscriber itself is not already closed. This is called after all other finalization logic is executed.\n * @param shouldUnsubscribe An optional check to see if an unsubscribe call should truly unsubscribe.\n * NOTE: This currently **ONLY** exists to support the strange behavior of {@link groupBy}, where unsubscription\n * to the resulting observable does not actually disconnect from the source if there are active subscriptions\n * to any grouped observable. (DO NOT EXPOSE OR USE EXTERNALLY!!!)\n */\n constructor(\n destination: Subscriber,\n onNext?: (value: T) => void,\n onComplete?: () => void,\n onError?: (err: any) => void,\n private onFinalize?: () => void,\n private shouldUnsubscribe?: () => boolean\n ) {\n // It's important - for performance reasons - that all of this class's\n // members are initialized and that they are always initialized in the same\n // order. This will ensure that all OperatorSubscriber instances have the\n // same hidden class in V8. This, in turn, will help keep the number of\n // hidden classes involved in property accesses within the base class as\n // low as possible. If the number of hidden classes involved exceeds four,\n // the property accesses will become megamorphic and performance penalties\n // will be incurred - i.e. inline caches won't be used.\n //\n // The reasons for ensuring all instances have the same hidden class are\n // further discussed in this blog post from Benedikt Meurer:\n // https://benediktmeurer.de/2018/03/23/impact-of-polymorphism-on-component-based-frameworks-like-react/\n super(destination);\n this._next = onNext\n ? function (this: OperatorSubscriber, value: T) {\n try {\n onNext(value);\n } catch (err) {\n destination.error(err);\n }\n }\n : super._next;\n this._error = onError\n ? function (this: OperatorSubscriber, err: any) {\n try {\n onError(err);\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._error;\n this._complete = onComplete\n ? function (this: OperatorSubscriber) {\n try {\n onComplete();\n } catch (err) {\n // Send any errors that occur down stream.\n destination.error(err);\n } finally {\n // Ensure finalization.\n this.unsubscribe();\n }\n }\n : super._complete;\n }\n\n unsubscribe() {\n if (!this.shouldUnsubscribe || this.shouldUnsubscribe()) {\n const { closed } = this;\n super.unsubscribe();\n // Execute additional teardown if we have any and we didn't already do so.\n !closed && this.onFinalize?.();\n }\n }\n}\n", "import { Subscription } from '../Subscription';\n\ninterface AnimationFrameProvider {\n schedule(callback: FrameRequestCallback): Subscription;\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n delegate:\n | {\n requestAnimationFrame: typeof requestAnimationFrame;\n cancelAnimationFrame: typeof cancelAnimationFrame;\n }\n | undefined;\n}\n\nexport const animationFrameProvider: AnimationFrameProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n schedule(callback) {\n let request = requestAnimationFrame;\n let cancel: typeof cancelAnimationFrame | undefined = cancelAnimationFrame;\n const { delegate } = animationFrameProvider;\n if (delegate) {\n request = delegate.requestAnimationFrame;\n cancel = delegate.cancelAnimationFrame;\n }\n const handle = request((timestamp) => {\n // Clear the cancel function. The request has been fulfilled, so\n // attempting to cancel the request upon unsubscription would be\n // pointless.\n cancel = undefined;\n callback(timestamp);\n });\n return new Subscription(() => cancel?.(handle));\n },\n requestAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.requestAnimationFrame || requestAnimationFrame)(...args);\n },\n cancelAnimationFrame(...args) {\n const { delegate } = animationFrameProvider;\n return (delegate?.cancelAnimationFrame || cancelAnimationFrame)(...args);\n },\n delegate: undefined,\n};\n", "import { createErrorClass } from './createErrorClass';\n\nexport interface ObjectUnsubscribedError extends Error {}\n\nexport interface ObjectUnsubscribedErrorCtor {\n /**\n * @deprecated Internal implementation detail. Do not construct error instances.\n * Cannot be tagged as internal: https://github.com/ReactiveX/rxjs/issues/6269\n */\n new (): ObjectUnsubscribedError;\n}\n\n/**\n * An error thrown when an action is invalid because the object has been\n * unsubscribed.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n *\n * @class ObjectUnsubscribedError\n */\nexport const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor = createErrorClass(\n (_super) =>\n function ObjectUnsubscribedErrorImpl(this: any) {\n _super(this);\n this.name = 'ObjectUnsubscribedError';\n this.message = 'object unsubscribed';\n }\n);\n", "import { Operator } from './Operator';\nimport { Observable } from './Observable';\nimport { Subscriber } from './Subscriber';\nimport { Subscription, EMPTY_SUBSCRIPTION } from './Subscription';\nimport { Observer, SubscriptionLike, TeardownLogic } from './types';\nimport { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';\nimport { arrRemove } from './util/arrRemove';\nimport { errorContext } from './util/errorContext';\n\n/**\n * A Subject is a special type of Observable that allows values to be\n * multicasted to many Observers. Subjects are like EventEmitters.\n *\n * Every Subject is an Observable and an Observer. You can subscribe to a\n * Subject, and you can call next to feed values as well as error and complete.\n */\nexport class Subject extends Observable implements SubscriptionLike {\n closed = false;\n\n private currentObservers: Observer[] | null = null;\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n observers: Observer[] = [];\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n isStopped = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n hasError = false;\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n thrownError: any = null;\n\n /**\n * Creates a \"subject\" by basically gluing an observer to an observable.\n *\n * @nocollapse\n * @deprecated Recommended you do not use. Will be removed at some point in the future. Plans for replacement still under discussion.\n */\n static create: (...args: any[]) => any = (destination: Observer, source: Observable): AnonymousSubject => {\n return new AnonymousSubject(destination, source);\n };\n\n constructor() {\n // NOTE: This must be here to obscure Observable's constructor.\n super();\n }\n\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n lift(operator: Operator): Observable {\n const subject = new AnonymousSubject(this, this);\n subject.operator = operator as any;\n return subject as any;\n }\n\n /** @internal */\n protected _throwIfClosed() {\n if (this.closed) {\n throw new ObjectUnsubscribedError();\n }\n }\n\n next(value: T) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n if (!this.currentObservers) {\n this.currentObservers = Array.from(this.observers);\n }\n for (const observer of this.currentObservers) {\n observer.next(value);\n }\n }\n });\n }\n\n error(err: any) {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.hasError = this.isStopped = true;\n this.thrownError = err;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.error(err);\n }\n }\n });\n }\n\n complete() {\n errorContext(() => {\n this._throwIfClosed();\n if (!this.isStopped) {\n this.isStopped = true;\n const { observers } = this;\n while (observers.length) {\n observers.shift()!.complete();\n }\n }\n });\n }\n\n unsubscribe() {\n this.isStopped = this.closed = true;\n this.observers = this.currentObservers = null!;\n }\n\n get observed() {\n return this.observers?.length > 0;\n }\n\n /** @internal */\n protected _trySubscribe(subscriber: Subscriber): TeardownLogic {\n this._throwIfClosed();\n return super._trySubscribe(subscriber);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._checkFinalizedStatuses(subscriber);\n return this._innerSubscribe(subscriber);\n }\n\n /** @internal */\n protected _innerSubscribe(subscriber: Subscriber) {\n const { hasError, isStopped, observers } = this;\n if (hasError || isStopped) {\n return EMPTY_SUBSCRIPTION;\n }\n this.currentObservers = null;\n observers.push(subscriber);\n return new Subscription(() => {\n this.currentObservers = null;\n arrRemove(observers, subscriber);\n });\n }\n\n /** @internal */\n protected _checkFinalizedStatuses(subscriber: Subscriber) {\n const { hasError, thrownError, isStopped } = this;\n if (hasError) {\n subscriber.error(thrownError);\n } else if (isStopped) {\n subscriber.complete();\n }\n }\n\n /**\n * Creates a new Observable with this Subject as the source. You can do this\n * to create custom Observer-side logic of the Subject and conceal it from\n * code that uses the Observable.\n * @return {Observable} Observable that the Subject casts to\n */\n asObservable(): Observable {\n const observable: any = new Observable();\n observable.source = this;\n return observable;\n }\n}\n\n/**\n * @class AnonymousSubject\n */\nexport class AnonymousSubject extends Subject {\n constructor(\n /** @deprecated Internal implementation detail, do not use directly. Will be made internal in v8. */\n public destination?: Observer,\n source?: Observable\n ) {\n super();\n this.source = source;\n }\n\n next(value: T) {\n this.destination?.next?.(value);\n }\n\n error(err: any) {\n this.destination?.error?.(err);\n }\n\n complete() {\n this.destination?.complete?.();\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n return this.source?.subscribe(subscriber) ?? EMPTY_SUBSCRIPTION;\n }\n}\n", "import { TimestampProvider } from '../types';\n\ninterface DateTimestampProvider extends TimestampProvider {\n delegate: TimestampProvider | undefined;\n}\n\nexport const dateTimestampProvider: DateTimestampProvider = {\n now() {\n // Use the variable rather than `this` so that the function can be called\n // without being bound to the provider.\n return (dateTimestampProvider.delegate || Date).now();\n },\n delegate: undefined,\n};\n", "import { Subject } from './Subject';\nimport { TimestampProvider } from './types';\nimport { Subscriber } from './Subscriber';\nimport { Subscription } from './Subscription';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * A variant of {@link Subject} that \"replays\" old values to new subscribers by emitting them when they first subscribe.\n *\n * `ReplaySubject` has an internal buffer that will store a specified number of values that it has observed. Like `Subject`,\n * `ReplaySubject` \"observes\" values by having them passed to its `next` method. When it observes a value, it will store that\n * value for a time determined by the configuration of the `ReplaySubject`, as passed to its constructor.\n *\n * When a new subscriber subscribes to the `ReplaySubject` instance, it will synchronously emit all values in its buffer in\n * a First-In-First-Out (FIFO) manner. The `ReplaySubject` will also complete, if it has observed completion; and it will\n * error if it has observed an error.\n *\n * There are two main configuration items to be concerned with:\n *\n * 1. `bufferSize` - This will determine how many items are stored in the buffer, defaults to infinite.\n * 2. `windowTime` - The amount of time to hold a value in the buffer before removing it from the buffer.\n *\n * Both configurations may exist simultaneously. So if you would like to buffer a maximum of 3 values, as long as the values\n * are less than 2 seconds old, you could do so with a `new ReplaySubject(3, 2000)`.\n *\n * ### Differences with BehaviorSubject\n *\n * `BehaviorSubject` is similar to `new ReplaySubject(1)`, with a couple of exceptions:\n *\n * 1. `BehaviorSubject` comes \"primed\" with a single value upon construction.\n * 2. `ReplaySubject` will replay values, even after observing an error, where `BehaviorSubject` will not.\n *\n * @see {@link Subject}\n * @see {@link BehaviorSubject}\n * @see {@link shareReplay}\n */\nexport class ReplaySubject extends Subject {\n private _buffer: (T | number)[] = [];\n private _infiniteTimeWindow = true;\n\n /**\n * @param bufferSize The size of the buffer to replay on subscription\n * @param windowTime The amount of time the buffered items will stay buffered\n * @param timestampProvider An object with a `now()` method that provides the current timestamp. This is used to\n * calculate the amount of time something has been buffered.\n */\n constructor(\n private _bufferSize = Infinity,\n private _windowTime = Infinity,\n private _timestampProvider: TimestampProvider = dateTimestampProvider\n ) {\n super();\n this._infiniteTimeWindow = _windowTime === Infinity;\n this._bufferSize = Math.max(1, _bufferSize);\n this._windowTime = Math.max(1, _windowTime);\n }\n\n next(value: T): void {\n const { isStopped, _buffer, _infiniteTimeWindow, _timestampProvider, _windowTime } = this;\n if (!isStopped) {\n _buffer.push(value);\n !_infiniteTimeWindow && _buffer.push(_timestampProvider.now() + _windowTime);\n }\n this._trimBuffer();\n super.next(value);\n }\n\n /** @internal */\n protected _subscribe(subscriber: Subscriber): Subscription {\n this._throwIfClosed();\n this._trimBuffer();\n\n const subscription = this._innerSubscribe(subscriber);\n\n const { _infiniteTimeWindow, _buffer } = this;\n // We use a copy here, so reentrant code does not mutate our array while we're\n // emitting it to a new subscriber.\n const copy = _buffer.slice();\n for (let i = 0; i < copy.length && !subscriber.closed; i += _infiniteTimeWindow ? 1 : 2) {\n subscriber.next(copy[i] as T);\n }\n\n this._checkFinalizedStatuses(subscriber);\n\n return subscription;\n }\n\n private _trimBuffer() {\n const { _bufferSize, _timestampProvider, _buffer, _infiniteTimeWindow } = this;\n // If we don't have an infinite buffer size, and we're over the length,\n // use splice to truncate the old buffer values off. Note that we have to\n // double the size for instances where we're not using an infinite time window\n // because we're storing the values and the timestamps in the same array.\n const adjustedBufferSize = (_infiniteTimeWindow ? 1 : 2) * _bufferSize;\n _bufferSize < Infinity && adjustedBufferSize < _buffer.length && _buffer.splice(0, _buffer.length - adjustedBufferSize);\n\n // Now, if we're not in an infinite time window, remove all values where the time is\n // older than what is allowed.\n if (!_infiniteTimeWindow) {\n const now = _timestampProvider.now();\n let last = 0;\n // Search the array for the first timestamp that isn't expired and\n // truncate the buffer up to that point.\n for (let i = 1; i < _buffer.length && (_buffer[i] as number) <= now; i += 2) {\n last = i;\n }\n last && _buffer.splice(0, last + 1);\n }\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Subscription } from '../Subscription';\nimport { SchedulerAction } from '../types';\n\n/**\n * A unit of work to be executed in a `scheduler`. An action is typically\n * created from within a {@link SchedulerLike} and an RxJS user does not need to concern\n * themselves about creating and manipulating an Action.\n *\n * ```ts\n * class Action extends Subscription {\n * new (scheduler: Scheduler, work: (state?: T) => void);\n * schedule(state?: T, delay: number = 0): Subscription;\n * }\n * ```\n *\n * @class Action\n */\nexport class Action extends Subscription {\n constructor(scheduler: Scheduler, work: (this: SchedulerAction, state?: T) => void) {\n super();\n }\n /**\n * Schedules this action on its parent {@link SchedulerLike} for execution. May be passed\n * some context object, `state`. May happen at some point in the future,\n * according to the `delay` parameter, if specified.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler.\n * @return {void}\n */\n public schedule(state?: T, delay: number = 0): Subscription {\n return this;\n }\n}\n", "import type { TimerHandle } from './timerHandle';\ntype SetIntervalFunction = (handler: () => void, timeout?: number, ...args: any[]) => TimerHandle;\ntype ClearIntervalFunction = (handle: TimerHandle) => void;\n\ninterface IntervalProvider {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n delegate:\n | {\n setInterval: SetIntervalFunction;\n clearInterval: ClearIntervalFunction;\n }\n | undefined;\n}\n\nexport const intervalProvider: IntervalProvider = {\n // When accessing the delegate, use the variable rather than `this` so that\n // the functions can be called without being bound to the provider.\n setInterval(handler: () => void, timeout?: number, ...args) {\n const { delegate } = intervalProvider;\n if (delegate?.setInterval) {\n return delegate.setInterval(handler, timeout, ...args);\n }\n return setInterval(handler, timeout, ...args);\n },\n clearInterval(handle) {\n const { delegate } = intervalProvider;\n return (delegate?.clearInterval || clearInterval)(handle as any);\n },\n delegate: undefined,\n};\n", "import { Action } from './Action';\nimport { SchedulerAction } from '../types';\nimport { Subscription } from '../Subscription';\nimport { AsyncScheduler } from './AsyncScheduler';\nimport { intervalProvider } from './intervalProvider';\nimport { arrRemove } from '../util/arrRemove';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncAction extends Action {\n public id: TimerHandle | undefined;\n public state?: T;\n // @ts-ignore: Property has no initializer and is not definitely assigned\n public delay: number;\n protected pending: boolean = false;\n\n constructor(protected scheduler: AsyncScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n public schedule(state?: T, delay: number = 0): Subscription {\n if (this.closed) {\n return this;\n }\n\n // Always replace the current state with the new state.\n this.state = state;\n\n const id = this.id;\n const scheduler = this.scheduler;\n\n //\n // Important implementation note:\n //\n // Actions only execute once by default, unless rescheduled from within the\n // scheduled callback. This allows us to implement single and repeat\n // actions via the same code path, without adding API surface area, as well\n // as mimic traditional recursion but across asynchronous boundaries.\n //\n // However, JS runtimes and timers distinguish between intervals achieved by\n // serial `setTimeout` calls vs. a single `setInterval` call. An interval of\n // serial `setTimeout` calls can be individually delayed, which delays\n // scheduling the next `setTimeout`, and so on. `setInterval` attempts to\n // guarantee the interval callback will be invoked more precisely to the\n // interval period, regardless of load.\n //\n // Therefore, we use `setInterval` to schedule single and repeat actions.\n // If the action reschedules itself with the same delay, the interval is not\n // canceled. If the action doesn't reschedule, or reschedules with a\n // different delay, the interval will be canceled after scheduled callback\n // execution.\n //\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, delay);\n }\n\n // Set the pending flag indicating that this action has been scheduled, or\n // has recursively rescheduled itself.\n this.pending = true;\n\n this.delay = delay;\n // If this action has already an async Id, don't request a new one.\n this.id = this.id ?? this.requestAsyncId(scheduler, this.id, delay);\n\n return this;\n }\n\n protected requestAsyncId(scheduler: AsyncScheduler, _id?: TimerHandle, delay: number = 0): TimerHandle {\n return intervalProvider.setInterval(scheduler.flush.bind(scheduler, this), delay);\n }\n\n protected recycleAsyncId(_scheduler: AsyncScheduler, id?: TimerHandle, delay: number | null = 0): TimerHandle | undefined {\n // If this action is rescheduled with the same delay time, don't clear the interval id.\n if (delay != null && this.delay === delay && this.pending === false) {\n return id;\n }\n // Otherwise, if the action's delay time is different from the current delay,\n // or the action has been rescheduled before it's executed, clear the interval id\n if (id != null) {\n intervalProvider.clearInterval(id);\n }\n\n return undefined;\n }\n\n /**\n * Immediately executes this action and the `work` it contains.\n * @return {any}\n */\n public execute(state: T, delay: number): any {\n if (this.closed) {\n return new Error('executing a cancelled action');\n }\n\n this.pending = false;\n const error = this._execute(state, delay);\n if (error) {\n return error;\n } else if (this.pending === false && this.id != null) {\n // Dequeue if the action didn't reschedule itself. Don't call\n // unsubscribe(), because the action could reschedule later.\n // For example:\n // ```\n // scheduler.schedule(function doWork(counter) {\n // /* ... I'm a busy worker bee ... */\n // var originalAction = this;\n // /* wait 100ms before rescheduling the action */\n // setTimeout(function () {\n // originalAction.schedule(counter + 1);\n // }, 100);\n // }, 1000);\n // ```\n this.id = this.recycleAsyncId(this.scheduler, this.id, null);\n }\n }\n\n protected _execute(state: T, _delay: number): any {\n let errored: boolean = false;\n let errorValue: any;\n try {\n this.work(state);\n } catch (e) {\n errored = true;\n // HACK: Since code elsewhere is relying on the \"truthiness\" of the\n // return here, we can't have it return \"\" or 0 or false.\n // TODO: Clean this up when we refactor schedulers mid-version-8 or so.\n errorValue = e ? e : new Error('Scheduled action threw falsy error');\n }\n if (errored) {\n this.unsubscribe();\n return errorValue;\n }\n }\n\n unsubscribe() {\n if (!this.closed) {\n const { id, scheduler } = this;\n const { actions } = scheduler;\n\n this.work = this.state = this.scheduler = null!;\n this.pending = false;\n\n arrRemove(actions, this);\n if (id != null) {\n this.id = this.recycleAsyncId(scheduler, id, null);\n }\n\n this.delay = null!;\n super.unsubscribe();\n }\n }\n}\n", "import { Action } from './scheduler/Action';\nimport { Subscription } from './Subscription';\nimport { SchedulerLike, SchedulerAction } from './types';\nimport { dateTimestampProvider } from './scheduler/dateTimestampProvider';\n\n/**\n * An execution context and a data structure to order tasks and schedule their\n * execution. Provides a notion of (potentially virtual) time, through the\n * `now()` getter method.\n *\n * Each unit of work in a Scheduler is called an `Action`.\n *\n * ```ts\n * class Scheduler {\n * now(): number;\n * schedule(work, delay?, state?): Subscription;\n * }\n * ```\n *\n * @class Scheduler\n * @deprecated Scheduler is an internal implementation detail of RxJS, and\n * should not be used directly. Rather, create your own class and implement\n * {@link SchedulerLike}. Will be made internal in v8.\n */\nexport class Scheduler implements SchedulerLike {\n public static now: () => number = dateTimestampProvider.now;\n\n constructor(private schedulerActionCtor: typeof Action, now: () => number = Scheduler.now) {\n this.now = now;\n }\n\n /**\n * A getter method that returns a number representing the current time\n * (at the time this function was called) according to the scheduler's own\n * internal clock.\n * @return {number} A number that represents the current time. May or may not\n * have a relation to wall-clock time. May or may not refer to a time unit\n * (e.g. milliseconds).\n */\n public now: () => number;\n\n /**\n * Schedules a function, `work`, for execution. May happen at some point in\n * the future, according to the `delay` parameter, if specified. May be passed\n * some context object, `state`, which will be passed to the `work` function.\n *\n * The given arguments will be processed an stored as an Action object in a\n * queue of actions.\n *\n * @param {function(state: ?T): ?Subscription} work A function representing a\n * task, or some unit of work to be executed by the Scheduler.\n * @param {number} [delay] Time to wait before executing the work, where the\n * time unit is implicit and defined by the Scheduler itself.\n * @param {T} [state] Some contextual data that the `work` function uses when\n * called by the Scheduler.\n * @return {Subscription} A subscription in order to be able to unsubscribe\n * the scheduled work.\n */\n public schedule(work: (this: SchedulerAction, state?: T) => void, delay: number = 0, state?: T): Subscription {\n return new this.schedulerActionCtor(this, work).schedule(state, delay);\n }\n}\n", "import { Scheduler } from '../Scheduler';\nimport { Action } from './Action';\nimport { AsyncAction } from './AsyncAction';\nimport { TimerHandle } from './timerHandle';\n\nexport class AsyncScheduler extends Scheduler {\n public actions: Array> = [];\n /**\n * A flag to indicate whether the Scheduler is currently executing a batch of\n * queued actions.\n * @type {boolean}\n * @internal\n */\n public _active: boolean = false;\n /**\n * An internal ID used to track the latest asynchronous task such as those\n * coming from `setTimeout`, `setInterval`, `requestAnimationFrame`, and\n * others.\n * @type {any}\n * @internal\n */\n public _scheduled: TimerHandle | undefined;\n\n constructor(SchedulerAction: typeof Action, now: () => number = Scheduler.now) {\n super(SchedulerAction, now);\n }\n\n public flush(action: AsyncAction): void {\n const { actions } = this;\n\n if (this._active) {\n actions.push(action);\n return;\n }\n\n let error: any;\n this._active = true;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions.shift()!)); // exhaust the scheduler queue\n\n this._active = false;\n\n if (error) {\n while ((action = actions.shift()!)) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\n/**\n *\n * Async Scheduler\n *\n * Schedule task as if you used setTimeout(task, duration)\n *\n * `async` scheduler schedules tasks asynchronously, by putting them on the JavaScript\n * event loop queue. It is best used to delay tasks in time or to schedule tasks repeating\n * in intervals.\n *\n * If you just want to \"defer\" task, that is to perform it right after currently\n * executing synchronous code ends (commonly achieved by `setTimeout(deferredTask, 0)`),\n * better choice will be the {@link asapScheduler} scheduler.\n *\n * ## Examples\n * Use async scheduler to delay task\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * const task = () => console.log('it works!');\n *\n * asyncScheduler.schedule(task, 2000);\n *\n * // After 2 seconds logs:\n * // \"it works!\"\n * ```\n *\n * Use async scheduler to repeat task in intervals\n * ```ts\n * import { asyncScheduler } from 'rxjs';\n *\n * function task(state) {\n * console.log(state);\n * this.schedule(state + 1, 1000); // `this` references currently executing Action,\n * // which we reschedule with new state and delay\n * }\n *\n * asyncScheduler.schedule(task, 3000, 0);\n *\n * // Logs:\n * // 0 after 3s\n * // 1 after 4s\n * // 2 after 5s\n * // 3 after 6s\n * ```\n */\n\nexport const asyncScheduler = new AsyncScheduler(AsyncAction);\n\n/**\n * @deprecated Renamed to {@link asyncScheduler}. Will be removed in v8.\n */\nexport const async = asyncScheduler;\n", "import { AsyncAction } from './AsyncAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\nimport { SchedulerAction } from '../types';\nimport { animationFrameProvider } from './animationFrameProvider';\nimport { TimerHandle } from './timerHandle';\n\nexport class AnimationFrameAction extends AsyncAction {\n constructor(protected scheduler: AnimationFrameScheduler, protected work: (this: SchedulerAction, state?: T) => void) {\n super(scheduler, work);\n }\n\n protected requestAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle {\n // If delay is greater than 0, request as an async action.\n if (delay !== null && delay > 0) {\n return super.requestAsyncId(scheduler, id, delay);\n }\n // Push the action to the end of the scheduler queue.\n scheduler.actions.push(this);\n // If an animation frame has already been requested, don't request another\n // one. If an animation frame hasn't been requested yet, request one. Return\n // the current animation frame request id.\n return scheduler._scheduled || (scheduler._scheduled = animationFrameProvider.requestAnimationFrame(() => scheduler.flush(undefined)));\n }\n\n protected recycleAsyncId(scheduler: AnimationFrameScheduler, id?: TimerHandle, delay: number = 0): TimerHandle | undefined {\n // If delay exists and is greater than 0, or if the delay is null (the\n // action wasn't rescheduled) but was originally scheduled as an async\n // action, then recycle as an async action.\n if (delay != null ? delay > 0 : this.delay > 0) {\n return super.recycleAsyncId(scheduler, id, delay);\n }\n // If the scheduler queue has no remaining actions with the same async id,\n // cancel the requested animation frame and set the scheduled flag to\n // undefined so the next AnimationFrameAction will request its own.\n const { actions } = scheduler;\n if (id != null && actions[actions.length - 1]?.id !== id) {\n animationFrameProvider.cancelAnimationFrame(id as number);\n scheduler._scheduled = undefined;\n }\n // Return undefined so the action knows to request a new async id if it's rescheduled.\n return undefined;\n }\n}\n", "import { AsyncAction } from './AsyncAction';\nimport { AsyncScheduler } from './AsyncScheduler';\n\nexport class AnimationFrameScheduler extends AsyncScheduler {\n public flush(action?: AsyncAction): void {\n this._active = true;\n // The async id that effects a call to flush is stored in _scheduled.\n // Before executing an action, it's necessary to check the action's async\n // id to determine whether it's supposed to be executed in the current\n // flush.\n // Previous implementations of this method used a count to determine this,\n // but that was unsound, as actions that are unsubscribed - i.e. cancelled -\n // are removed from the actions array and that can shift actions that are\n // scheduled to be executed in a subsequent flush into positions at which\n // they are executed within the current flush.\n const flushId = this._scheduled;\n this._scheduled = undefined;\n\n const { actions } = this;\n let error: any;\n action = action || actions.shift()!;\n\n do {\n if ((error = action.execute(action.state, action.delay))) {\n break;\n }\n } while ((action = actions[0]) && action.id === flushId && actions.shift());\n\n this._active = false;\n\n if (error) {\n while ((action = actions[0]) && action.id === flushId && actions.shift()) {\n action.unsubscribe();\n }\n throw error;\n }\n }\n}\n", "import { AnimationFrameAction } from './AnimationFrameAction';\nimport { AnimationFrameScheduler } from './AnimationFrameScheduler';\n\n/**\n *\n * Animation Frame Scheduler\n *\n * Perform task when `window.requestAnimationFrame` would fire\n *\n * When `animationFrame` scheduler is used with delay, it will fall back to {@link asyncScheduler} scheduler\n * behaviour.\n *\n * Without delay, `animationFrame` scheduler can be used to create smooth browser animations.\n * It makes sure scheduled task will happen just before next browser content repaint,\n * thus performing animations as efficiently as possible.\n *\n * ## Example\n * Schedule div height animation\n * ```ts\n * // html:
\n * import { animationFrameScheduler } from 'rxjs';\n *\n * const div = document.querySelector('div');\n *\n * animationFrameScheduler.schedule(function(height) {\n * div.style.height = height + \"px\";\n *\n * this.schedule(height + 1); // `this` references currently executing Action,\n * // which we reschedule with new state\n * }, 0, 0);\n *\n * // You will see a div element growing in height\n * ```\n */\n\nexport const animationFrameScheduler = new AnimationFrameScheduler(AnimationFrameAction);\n\n/**\n * @deprecated Renamed to {@link animationFrameScheduler}. Will be removed in v8.\n */\nexport const animationFrame = animationFrameScheduler;\n", "import { Observable } from '../Observable';\nimport { SchedulerLike } from '../types';\n\n/**\n * A simple Observable that emits no items to the Observer and immediately\n * emits a complete notification.\n *\n * Just emits 'complete', and nothing else.\n *\n * ![](empty.png)\n *\n * A simple Observable that only emits the complete notification. It can be used\n * for composing with other Observables, such as in a {@link mergeMap}.\n *\n * ## Examples\n *\n * Log complete notification\n *\n * ```ts\n * import { EMPTY } from 'rxjs';\n *\n * EMPTY.subscribe({\n * next: () => console.log('Next'),\n * complete: () => console.log('Complete!')\n * });\n *\n * // Outputs\n * // Complete!\n * ```\n *\n * Emit the number 7, then complete\n *\n * ```ts\n * import { EMPTY, startWith } from 'rxjs';\n *\n * const result = EMPTY.pipe(startWith(7));\n * result.subscribe(x => console.log(x));\n *\n * // Outputs\n * // 7\n * ```\n *\n * Map and flatten only odd numbers to the sequence `'a'`, `'b'`, `'c'`\n *\n * ```ts\n * import { interval, mergeMap, of, EMPTY } from 'rxjs';\n *\n * const interval$ = interval(1000);\n * const result = interval$.pipe(\n * mergeMap(x => x % 2 === 1 ? of('a', 'b', 'c') : EMPTY),\n * );\n * result.subscribe(x => console.log(x));\n *\n * // Results in the following to the console:\n * // x is equal to the count on the interval, e.g. (0, 1, 2, 3, ...)\n * // x will occur every 1000ms\n * // if x % 2 is equal to 1, print a, b, c (each on its own)\n * // if x % 2 is not equal to 1, nothing will be output\n * ```\n *\n * @see {@link Observable}\n * @see {@link NEVER}\n * @see {@link of}\n * @see {@link throwError}\n */\nexport const EMPTY = new Observable((subscriber) => subscriber.complete());\n\n/**\n * @param scheduler A {@link SchedulerLike} to use for scheduling\n * the emission of the complete notification.\n * @deprecated Replaced with the {@link EMPTY} constant or {@link scheduled} (e.g. `scheduled([], scheduler)`). Will be removed in v8.\n */\nexport function empty(scheduler?: SchedulerLike) {\n return scheduler ? emptyScheduled(scheduler) : EMPTY;\n}\n\nfunction emptyScheduled(scheduler: SchedulerLike) {\n return new Observable((subscriber) => scheduler.schedule(() => subscriber.complete()));\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport function isScheduler(value: any): value is SchedulerLike {\n return value && isFunction(value.schedule);\n}\n", "import { SchedulerLike } from '../types';\nimport { isFunction } from './isFunction';\nimport { isScheduler } from './isScheduler';\n\nfunction last(arr: T[]): T | undefined {\n return arr[arr.length - 1];\n}\n\nexport function popResultSelector(args: any[]): ((...args: unknown[]) => unknown) | undefined {\n return isFunction(last(args)) ? args.pop() : undefined;\n}\n\nexport function popScheduler(args: any[]): SchedulerLike | undefined {\n return isScheduler(last(args)) ? args.pop() : undefined;\n}\n\nexport function popNumber(args: any[], defaultValue: number): number {\n return typeof last(args) === 'number' ? args.pop()! : defaultValue;\n}\n", "export const isArrayLike = ((x: any): x is ArrayLike => x && typeof x.length === 'number' && typeof x !== 'function');", "import { isFunction } from \"./isFunction\";\n\n/**\n * Tests to see if the object is \"thennable\".\n * @param value the object to test\n */\nexport function isPromise(value: any): value is PromiseLike {\n return isFunction(value?.then);\n}\n", "import { InteropObservable } from '../types';\nimport { observable as Symbol_observable } from '../symbol/observable';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being Observable (but not necessary an Rx Observable) */\nexport function isInteropObservable(input: any): input is InteropObservable {\n return isFunction(input[Symbol_observable]);\n}\n", "import { isFunction } from './isFunction';\n\nexport function isAsyncIterable(obj: any): obj is AsyncIterable {\n return Symbol.asyncIterator && isFunction(obj?.[Symbol.asyncIterator]);\n}\n", "/**\n * Creates the TypeError to throw if an invalid object is passed to `from` or `scheduled`.\n * @param input The object that was passed.\n */\nexport function createInvalidObservableTypeError(input: any) {\n // TODO: We should create error codes that can be looked up, so this can be less verbose.\n return new TypeError(\n `You provided ${\n input !== null && typeof input === 'object' ? 'an invalid object' : `'${input}'`\n } where a stream was expected. You can provide an Observable, Promise, ReadableStream, Array, AsyncIterable, or Iterable.`\n );\n}\n", "export function getSymbolIterator(): symbol {\n if (typeof Symbol !== 'function' || !Symbol.iterator) {\n return '@@iterator' as any;\n }\n\n return Symbol.iterator;\n}\n\nexport const iterator = getSymbolIterator();\n", "import { iterator as Symbol_iterator } from '../symbol/iterator';\nimport { isFunction } from './isFunction';\n\n/** Identifies an input as being an Iterable */\nexport function isIterable(input: any): input is Iterable {\n return isFunction(input?.[Symbol_iterator]);\n}\n", "import { ReadableStreamLike } from '../types';\nimport { isFunction } from './isFunction';\n\nexport async function* readableStreamLikeToAsyncGenerator(readableStream: ReadableStreamLike): AsyncGenerator {\n const reader = readableStream.getReader();\n try {\n while (true) {\n const { value, done } = await reader.read();\n if (done) {\n return;\n }\n yield value!;\n }\n } finally {\n reader.releaseLock();\n }\n}\n\nexport function isReadableStreamLike(obj: any): obj is ReadableStreamLike {\n // We don't want to use instanceof checks because they would return\n // false for instances from another Realm, like an