Select2 Bootstrap 5 Theme

Select2 v4 theme for Bootstrap 5, inspired by select2-bootstrap4-theme

Works with Select2 v4.0 and v4.1

Docs

https://apalfrey.github.io/select2-bootstrap-5-theme/

Installation

CDN

Select2 v4.0

<!-- Styles -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2@4.0.13/dist/css/select2.min.css" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" />
<!-- Or for RTL support -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.rtl.min.css" />

<!-- Scripts -->
<script src="https://cdn.jsdelivr.net/npm/jquery@3.5.0/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/select2@4.0.13/dist/js/select2.full.min.js"></script>

Select2 v4.1

<!-- Styles -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/css/bootstrap.min.css" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/css/select2.min.css" />
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.min.css" />
<!-- Or for RTL support -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/select2-bootstrap-5-theme@1.3.0/dist/select2-bootstrap-5-theme.rtl.min.css" />

<!-- Scripts -->
<script src="https://cdn.jsdelivr.net/npm/jquery@3.5.0/dist/jquery.slim.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.1.3/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/select2@4.1.0-rc.0/dist/js/select2.min.js"></script>

Package Managers

# npm
$ npm install select2-bootstrap-5-theme

# yarn
$ yarn add select2-bootstrap-5-theme

# composer
$ composer require apalfrey/select2-bootstrap-5-theme

HTML

<link rel="stylesheet" href="/path/to/select2.css">
<link rel="stylesheet" href="/path/to/select2-bootstrap-5-theme.min.css">
<!-- Or for RTL support -->
<link rel="stylesheet" href="/path/to/select2-bootstrap-5-theme.rtl.min.css">

SCSS

@import "node_modules/select2/src/scss/core";
// If you need to import Bootstrap as well:
@import "node_modules/select2-bootstrap-5-theme/src/select2-bootstrap-5-theme";
// Or if you have already imported Bootstrap:
@import "node_modules/select2-bootstrap-5-theme/src/include-all";

Usage

// Basic
$("select").select2({
    theme: "bootstrap-5",
});

// Small using Select2 properties
$("#form-select-sm").select2({
    theme: "bootstrap-5",
    containerCssClass: "select2--small", // For Select2 v4.0
    selectionCssClass: "select2--small", // For Select2 v4.1
    dropdownCssClass: "select2--small",
});

// Small using Bootstrap 5 classes
$("#form-select-sm").select2({
    theme: "bootstrap-5",
    dropdownParent: $("#form-select-sm").parent(), // Required for dropdown styling
});

// Large using Select2 properties
$("select").select2({
    theme: "bootstrap-5",
    containerCssClass: "select2--large", // For Select2 v4.0
    selectionCssClass: "select2--large", // For Select2 v4.1
    dropdownCssClass: "select2--large",
});

// Large using Bootstrap 5 classes
$("#form-select-lg").select2({
    theme: "bootstrap-5",
    dropdownParent: $("#form-select-lg").parent(), // Required for dropdown styling
});

Build tools

This repo uses Gulp to compile the assets, see below for the included npm scripts and Gulp tasks and what they do;

npm script	Gulp task	Description
start	default	Cleans the dist directory, lints the SCSS, compiles the dev and min versions and starts watching the SCSS for changes
start:full	N/A	Cleans, lints, compiles and watches the SCSS (theme & docs) and serves the docs for development
clean	clean	Cleans the dist directory, removing the directory and it's contents
lint	lint	Lints the SCSS files using Stylelint, see .stylelintrc and stylelint-config-twbs-bootstrap for linting rules
compile	compile	Cleans the dist directory, lints the SCSS, compiles the LTR and RTL dev and min versions. Does the same for the docs
compile:main	compile:main	Compiles all LTR versions
compile:rtl	compile:rtl	Compiles all RTL versions
watch	watch	Watches all files in src, compiling the SCSS when changes are detected
docs	docs	Cleans the docs/assets/css directory, lints the docs SCSS, compiles the docsSCSS and starts watching the docs SCSS for changes
docs:clean	docs:clean	Cleans the docs/assets/css directory, removing the directory and it's contents
docs:lint	docs:lint	Lints the docs SCSS files using Stylelint, see .stylelintrc and stylelint-config-twbs-bootstrap for linting rules
docs:compile	docs:compile	Cleans the docs/assets/css directory, lints the docs SCSS and compiles the LTR and RTL versions
docs:compile:main	docs:compile:main	Compiles the LTR version of the docs SCSS
docs:compile:rtl	docs:compile:rtl	Compiles the RTL version of the docs SCSS
docs:watch	docs:watch	Watches all files in docs/_sass, compiling the SCSS when changes are detected
docs:build	N/A	Builds the docs using Jekyll
docs:serve	N/A	Serves the docs using Jekyll for development

Contributing

If you have ideas for improvements or changes, feel free to submit an issue, or if you have changes you'd like in the project, feel free to submit a pull request. Make sure you run gulp compile or npm run compile before submitting a pull request to ensure the styles are compiled.

Find out more about contributing here

License

MIT License

Copyright (c) 2022 Andrew Palfrey <apalfrey@apalfrey.me>

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.