diff options
Diffstat (limited to 'node_modules/webpack/lib/css/CssGenerator.js')
| -rw-r--r-- | node_modules/webpack/lib/css/CssGenerator.js | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/node_modules/webpack/lib/css/CssGenerator.js b/node_modules/webpack/lib/css/CssGenerator.js new file mode 100644 index 00000000..e18c70b0 --- /dev/null +++ b/node_modules/webpack/lib/css/CssGenerator.js @@ -0,0 +1,113 @@ +/* + MIT License http://www.opensource.org/licenses/mit-license.php + Author Sergey Melyukov @smelukov +*/ + +"use strict"; + +const { ReplaceSource } = require("webpack-sources"); +const Generator = require("../Generator"); +const InitFragment = require("../InitFragment"); +const RuntimeGlobals = require("../RuntimeGlobals"); + +/** @typedef {import("webpack-sources").Source} Source */ +/** @typedef {import("../Dependency")} Dependency */ +/** @typedef {import("../Generator").GenerateContext} GenerateContext */ +/** @typedef {import("../Generator").UpdateHashContext} UpdateHashContext */ +/** @typedef {import("../NormalModule")} NormalModule */ +/** @typedef {import("../util/Hash")} Hash */ + +const TYPES = new Set(["css"]); + +class CssGenerator extends Generator { + constructor() { + super(); + } + + /** + * @param {NormalModule} module module for which the code should be generated + * @param {GenerateContext} generateContext context for generate + * @returns {Source} generated code + */ + generate(module, generateContext) { + const originalSource = /** @type {Source} */ (module.originalSource()); + const source = new ReplaceSource(originalSource); + /** @type {InitFragment[]} */ + const initFragments = []; + const cssExports = new Map(); + + generateContext.runtimeRequirements.add(RuntimeGlobals.hasCssModules); + + const templateContext = { + runtimeTemplate: generateContext.runtimeTemplate, + dependencyTemplates: generateContext.dependencyTemplates, + moduleGraph: generateContext.moduleGraph, + chunkGraph: generateContext.chunkGraph, + module, + runtime: generateContext.runtime, + runtimeRequirements: generateContext.runtimeRequirements, + concatenationScope: generateContext.concatenationScope, + codeGenerationResults: generateContext.codeGenerationResults, + initFragments, + cssExports + }; + + /** + * @param {Dependency} dependency dependency + */ + const handleDependency = dependency => { + const constructor = /** @type {new (...args: any[]) => Dependency} */ ( + dependency.constructor + ); + const template = generateContext.dependencyTemplates.get(constructor); + if (!template) { + throw new Error( + "No template for dependency: " + dependency.constructor.name + ); + } + + template.apply(dependency, source, templateContext); + }; + module.dependencies.forEach(handleDependency); + if (module.presentationalDependencies !== undefined) + module.presentationalDependencies.forEach(handleDependency); + + if (cssExports.size > 0) { + const data = generateContext.getData(); + data.set("css-exports", cssExports); + } + + return InitFragment.addToSource(source, initFragments, generateContext); + } + + /** + * @param {NormalModule} module fresh module + * @returns {Set<string>} available types (do not mutate) + */ + getTypes(module) { + return TYPES; + } + + /** + * @param {NormalModule} module the module + * @param {string=} type source type + * @returns {number} estimate size of the module + */ + getSize(module, type) { + const originalSource = module.originalSource(); + + if (!originalSource) { + return 0; + } + + return originalSource.size(); + } + + /** + * @param {Hash} hash hash that will be modified + * @param {UpdateHashContext} updateHashContext context for updating hash + */ + updateHash(hash, { module }) {} +} + +module.exports = CssGenerator; |
