# SVG sprite loader [![NPM version][version-img]][versions-img] [![Build status][ci-img]][ci-url] [![Documentation score][docs-coverage-img]][docs-coverage-url] [![Dependencies status][deps-img]][deps-url] [![Dev dependencies status][dev-deps-img]][dev-deps-url] [![NPM downloads][downloads-img]][npm-url] Webpack loader for creating SVG sprites. > :tada: 2.0 is out, please read the [migration guide & overview](2.0.md). > :warning: For old v0.x versions see [the README in the v0 branch](https://github.com/JetBrains/svg-sprite-loader/blob/v0/README.md). ## Table of contents - [Why it's cool](#why-its-cool) - [Installation](#installation) - [Configuration](#configuration) - [`symbolId`](#symbol-id) - [`symbolRegExp`](#symbol-regexp) - [`esModule`](#es-module) - [Runtime configuration](#runtime-configuration) - [`spriteModule`](#sprite-module) - [`symbolModule`](#symbol-module) - [`runtimeGenerator`](#runtime-generator) - [`runtimeCompat`](#runtime-compat) (deprecated) - [`runtimeOptions`](#runtime-options) - [Extract configuration](#extract-configuration) - [`extract`](#extract) - [`spriteFilename`](#sprite-filename) - [`publicPath`](#public-path) - [`outputPath`](#output-path) - [`plainSprite`](#plain-sprite) - [`spriteAttrs`](#sprite-attrs) - [Examples](#examples) - [Contributing guidelines](#contributing-guidelines) - [License](#license) - [Credits](#credits) ## Why it's cool - **Minimum initial configuration**. Most of the options are configured automatically. - **Runtime for browser**. Sprites are rendered and injected in pages automatically, you just refer to images via ``. - **Isomorphic runtime for node/browser**. Can render sprites on server or in browser manually. - **Customizable**. Write/extend runtime module to implement custom sprite behaviour. Write/extend runtime generator to produce your own runtime, e.g. React component configured with imported symbol. - **External sprite file** is generated for images imported from css/scss/sass/less/styl/html ([SVG stacking technique](https://css-tricks.com/svg-fragment-identifiers-work/#article-header-id-4)). ## Installation ```bash npm install svg-sprite-loader -D # via yarn yarn add svg-sprite-loader -D ``` ## Configuration ```js // webpack 1 { test: /\.svg$/, loader: 'svg-sprite-loader', query: { ... } } // webpack 1 multiple loaders { test: /\.svg$/, loaders: [ `svg-sprite-loader?${JSON.stringify({ ... })}`, 'svg-transform-loader', 'svgo-loader' ] } // webpack >= 2 { test: /\.svg$/, loader: 'svg-sprite-loader', options: { ... } } // webpack >= 2 multiple loaders { test: /\.svg$/, use: [ { loader: 'svg-sprite-loader', options: { ... } }, 'svg-transform-loader', 'svgo-loader' ] } ``` ### `symbolId` (`string | function(path, query)`, default `[name]`) How `` `id` attribute should be named. All patterns from [loader-utils#interpolateName](https://github.com/webpack/loader-utils#interpolatename) are supported. Also can be a function which accepts 2 args - file path and query string and return symbol id: ```js { symbolId: filePath => path.basename(filePath) } ``` ### `symbolRegExp` (default `''`) Passed to the symbolId interpolator to support the [N] pattern in the loader-utils name interpolator ### `esModule` (default `true`, autoconfigured) Generated export format: - when `true` loader will produce `export default ...`. - when `false` the result is `module.exports = ...`. By default depends on used webpack version: `true` for webpack >= 2, `false` otherwise. ## Runtime configuration When you require an image, loader transforms it to SVG ``, adds it to the special sprite storage and returns class instance that represents symbol. It contains `id`, `viewBox` and `content` (`id`, `viewBox` and `url` in extract mode) fields and can later be used for referencing the sprite image, e.g: ```js import twitterLogo from './logos/twitter.svg'; // twitterLogo === SpriteSymbol // Extract mode: SpriteSymbol const rendered = ` `; ``` When browser event `DOMContentLoaded` is fired, sprite will be automatically rendered and injected in the `document.body`. If custom behaviour is needed (e.g. a different mounting target) default sprite module could be overridden via `spriteModule` option. Check example below. ### `spriteModule` (autoconfigured) Path to sprite module that will be compiled and executed at runtime. By default it depends on [`target`](https://webpack.js.org/configuration/target) webpack config option: - `svg-sprite-loader/runtime/browser-sprite.build` for 'web' target. - `svg-sprite-loader/runtime/sprite.build` for other targets. If you need custom behavior, use this option to specify a path of your sprite implementation module. Path will be resolved relative to the current webpack build folder, e.g. `utils/sprite.js` placed in current project dir should be written as `./utils/sprite`. Example of sprite with custom mounting target (copypasted from [browser-sprite](https://github.com/JetBrains/svg-sprite-loader/blob/master/runtime/browser-sprite.js)): ```js import BrowserSprite from 'svg-baker-runtime/src/browser-sprite'; import domready from 'domready'; const sprite = new BrowserSprite(); domready(() => sprite.mount('#my-custom-mounting-target')); export default sprite; // don't forget to export! ``` It's highly recommended to extend default sprite classes: - [for browser-specific env](https://github.com/JetBrains/svg-baker/blob/master/packages/svg-baker-runtime/src/browser-sprite.js) - [for isomorphic env](https://github.com/JetBrains/svg-baker/blob/master/packages/svg-baker-runtime/src/sprite.js) ### `symbolModule` (autoconfigured) Same as `spriteModule`, but for sprite symbol. By default also depends on `target` webpack config option: - `svg-baker-runtime/browser-symbol` for 'web' target. - `svg-baker-runtime/symbol` for other targets. ### `runtimeGenerator` ([default generator](https://github.com/JetBrains/svg-sprite-loader/blob/master/lib/runtime-generator.js)) Path to node.js script that generates client runtime. Use this option if you need to produce your own runtime, e.g. React component configured with imported symbol. [Example](https://github.com/JetBrains/svg-sprite-loader/tree/master/examples/custom-runtime-generator). ### `runtimeCompat` (default `false`, deprecated) Should runtime be compatible with earlier v0.x loader versions. This option will be removed in the next major version release. ### `runtimeOptions` Arbitrary data passed to runtime generator. Reserved for future use when other runtime generators will be created. ## Extract configuration In the extract mode loader should be configured with plugin, otherwise an error is thrown. Example: ```js // webpack.config.js const SpriteLoaderPlugin = require('svg-sprite-loader/plugin'); ... { plugins: [ new SpriteLoaderPlugin() ] } ``` ### `extract` (default `false`, autoconfigured) Switches loader to the extract mode. Enabled automatically for images imported from css/scss/sass/less/styl/html files. ### `spriteFilename` (type `string|Function`,default `sprite.svg`) Filename of extracted sprite. Multiple sprites can be generated by specifying different loader rules restricted with `include` option or by providing custom function which recieves SVG file absolute path, e.g.: ```js { test: /\.svg$/, loader: 'svg-sprite-loader', options: { extract: true, spriteFilename: svgPath => `sprite${svgPath.substr(-4)}` } } ``` `[hash]` in sprite filename will be replaced by it's content hash. It is also possible to generate sprite for each chunk by using `[chunkname]` pattern in spriteFilename option. This is experimental feature, use it with caution! ### `publicPath` (type: `string`, default: `__webpack_public_path__`) Custom public path for sprite file. ```js { test: /\.svg$/, loader: 'svg-sprite-loader', options: { extract: true, publicPath: '/' } } ``` ### `outputPath` (type: `string`, default: null`) Custom output path for sprite file. By default it will use `publicPath`. This param is useful if you want to store sprite is a directory with a custom http access. ```js { test: /\.svg$/, loader: 'svg-sprite-loader', options: { extract: true, outputPath: 'custom-dir/sprites/' publicPath: 'sprites/' } } ``` ### Plain sprite You can render plain sprite in extract mode without styles and usages. Pass `plainSprite: true` option to plugin constructor: ```js { plugins: [ new SpriteLoaderPlugin({ plainSprite: true }) ] } ``` ### Sprite attributes Sprite `

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svg-sprite-loader	201,525	2,028	-	148	4年前	MIT