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CHANGELOG.md

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0.6.4 - 2024-07-17

  • Add str.nullIfEmpty that converts empty string by a null
  • Add core.digs
  • Add a :concat strategy to object.select

0.6.3 - 2024-07-09

  • Add coerce.array

0.6.2 - 2022-09-29

  • Add key_hash option to core.mapping.

0.6.1 - 2022-07-15

  • Add the possibility to add examples to lens files, with typical input and output data.

  • --test option to the commandline, that checks that the embedded examples are indeed correct.

  • --[no]-paint options to the commandline, to enable or disable colors of error messages.

  • The commandline now correctly exits with a status code of 1 when an error occurs.

0.6.0 - 2022-07-08

  • Add support for macros in a lens file.

Lenses

  • (BREAKING): core.mapping now takes a defn instead of values. Backward compatibility is provided but will be removed in 1.0.

  • Add object.allbut lens, that allows removing specific object keys.

  • Add object.merge lens, that supports normal and deep merge, as well as controlling priority on shared keys.

  • core.literal now supports (simplified) jsonpath interpolation in strings and complex objects.

  • core.mapping now supports a keep strategy for :on_error, that simply returns the input key.

  • array.map now supports a keep strategy for :on_error, that simply keeps input members on which the sub lens fails.

Commandline

  • (BREAKING): removed the --no-map option that makes little sense.

  • Add -I and -r options to commandline. They mimic ruby's.

  • Add --map and --on-error options to commandline. They can be used to write singular object lenses and easily test them against .csv and .xlsx files.

  • Add --literal option to the commandline. Handy to "execute" a pure object definition (with jsonpath expressions) against a json file.

  • Add --yaml (resp. --json) options to the commandline, to dump the result in yaml (resp. json). The default stays json.

  • Add --stream option to the commandline, to output each item of the result separately.

  • Add --override option to the commandline, to override the input data file with the result of the transformation.

  • Add --stdin option to the commandline, that takes the input data as .json from stdin instead of the file passed as second argument.

  • Add missing binary in the ruby gem.

0.5.3 - 2022-06-09

  • Add core.literal lens.

0.5.2 - 2022-05-20

  • Add check.notEmpty lens that throw an error if the input is null or empty

0.5.1 - 2022-05-13

  • Enhance ErrorHandler (Enumerable).

0.5.0 - 2022-05-13

  • BREAKING: core.mapping fails by default when no corresponding output is found for an input.

    :fail_if_missing option is no longer supported, and replaced by :on_missing that supports fail, null, default and fallback strategies.

  • object.select now select a :strategy option that affects the behavior when defn values are array.

    When set to 'all' (default), the selection will build an array as output (as before). When set to 'first', the output is the first value for which the key has been found on input.

0.4.0 - 2022-05-12

  • Add a monolens commandline tool.

  • Add core.dig that extracts a value using a path. Supports the :null and :fail on_missing strategies.

  • Add object.extend that adds new key/values on the input object. Supports the :null, :skip, :handler, and :fail on_error strategies.

  • Add coerce.integer

  • object.select now supports an array of keys as defn and keeps those keys only.

  • coerce.date (resp. coerce.datetime) are idempotent: they return their input if it's already a Date (resp. DateTime)

  • BREAKING (?): coerce.datetime now uses DateTime.parse instead of strptime when there are no formats proposed.

  • coerce.datetime now recognizes a :parser option that is used for actual parsing (through parse or strptime).

    This allows using ActiveRecord's Timezone instances as actual parsers. Note that the result is still a DateTime, as to_datetime is called on the result.

0.3.0 - 2022-05-06

  • BREAKING: str.strip fails if input is not a string.

  • BREAKING: object.select, object.rename and object.transform now expect their selection/renaming/transformation to be provided under a defn key. This allows for adding options later.

    Before:

    - object.select:
    firstname: name

    After

    - object.select
    defn:
      firstname: name

  • Add coerce.string, aka toString or to_s

  • When an error occurs, the LensError class supports a location field that tracks the path within the input as an array of parts, e.g. [0, :firstname] for an error occuring on the :firstname field of the object at position 3 in an array (so 4th object, as positions start at 0 as usual).

  • array.map and object.values now supports an on_error option with possible values null, skip, fail or handler. The latter works with an :error_handler world entry provided at call time.

    object.values also support a keep option that preserves the original value.

    By default, using the handler will skip the current production. A combination can be specified, such as ['handler', 'null'].

  • object.transform and object.select now support an on_missing option with possible values null, skip or fail. Default behavior is to fail if the input object lacks a key.

0.2.0 - 2022-05-05

  • BREAKING: (core.)map moved as array.map, where it belongs

  • Add object.select lens.

  • Add array.join lens.

  • Add str.split lens.

  • Add core.mapping lens.

0.1.0 - 2022-05-04

Birthday.