463 lines
13 KiB
JavaScript
463 lines
13 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const { ConcatSource } = require("webpack-sources");
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const HotUpdateChunk = require("../HotUpdateChunk");
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const RuntimeGlobals = require("../RuntimeGlobals");
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const SelfModuleFactory = require("../SelfModuleFactory");
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const CssExportDependency = require("../dependencies/CssExportDependency");
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const CssImportDependency = require("../dependencies/CssImportDependency");
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const CssLocalIdentifierDependency = require("../dependencies/CssLocalIdentifierDependency");
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const CssSelfLocalIdentifierDependency = require("../dependencies/CssSelfLocalIdentifierDependency");
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const CssUrlDependency = require("../dependencies/CssUrlDependency");
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const StaticExportsDependency = require("../dependencies/StaticExportsDependency");
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const { compareModulesByIdentifier } = require("../util/comparators");
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const createSchemaValidation = require("../util/create-schema-validation");
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const createHash = require("../util/createHash");
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const memoize = require("../util/memoize");
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const nonNumericOnlyHash = require("../util/nonNumericOnlyHash");
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const CssExportsGenerator = require("./CssExportsGenerator");
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const CssGenerator = require("./CssGenerator");
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const CssParser = require("./CssParser");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../../declarations/WebpackOptions").CssExperimentOptions} CssExperimentOptions */
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/** @typedef {import("../Chunk")} Chunk */
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Module")} Module */
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const getCssLoadingRuntimeModule = memoize(() =>
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require("./CssLoadingRuntimeModule")
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);
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const getSchema = name => {
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const { definitions } = require("../../schemas/WebpackOptions.json");
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return {
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definitions,
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oneOf: [{ $ref: `#/definitions/${name}` }]
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};
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};
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const validateGeneratorOptions = createSchemaValidation(
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require("../../schemas/plugins/css/CssGeneratorOptions.check.js"),
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() => getSchema("CssGeneratorOptions"),
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{
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name: "Css Modules Plugin",
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baseDataPath: "parser"
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}
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);
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const validateParserOptions = createSchemaValidation(
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require("../../schemas/plugins/css/CssParserOptions.check.js"),
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() => getSchema("CssParserOptions"),
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{
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name: "Css Modules Plugin",
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baseDataPath: "parser"
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}
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);
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const escapeCss = (str, omitOptionalUnderscore) => {
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const escaped = `${str}`.replace(
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// cspell:word uffff
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/[^a-zA-Z0-9_\u0081-\uffff-]/g,
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s => `\\${s}`
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);
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return !omitOptionalUnderscore && /^(?!--)[0-9_-]/.test(escaped)
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? `_${escaped}`
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: escaped;
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};
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const plugin = "CssModulesPlugin";
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class CssModulesPlugin {
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/**
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* @param {CssExperimentOptions} options options
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*/
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constructor({ exportsOnly = false }) {
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this._exportsOnly = exportsOnly;
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}
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/**
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* Apply the plugin
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* @param {Compiler} compiler the compiler instance
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* @returns {void}
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*/
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apply(compiler) {
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compiler.hooks.compilation.tap(
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plugin,
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(compilation, { normalModuleFactory }) => {
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const selfFactory = new SelfModuleFactory(compilation.moduleGraph);
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compilation.dependencyFactories.set(
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CssUrlDependency,
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normalModuleFactory
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);
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compilation.dependencyTemplates.set(
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CssUrlDependency,
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new CssUrlDependency.Template()
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);
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compilation.dependencyTemplates.set(
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CssLocalIdentifierDependency,
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new CssLocalIdentifierDependency.Template()
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);
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compilation.dependencyFactories.set(
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CssSelfLocalIdentifierDependency,
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selfFactory
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);
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compilation.dependencyTemplates.set(
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CssSelfLocalIdentifierDependency,
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new CssSelfLocalIdentifierDependency.Template()
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);
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compilation.dependencyTemplates.set(
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CssExportDependency,
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new CssExportDependency.Template()
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);
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compilation.dependencyFactories.set(
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CssImportDependency,
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normalModuleFactory
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);
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compilation.dependencyTemplates.set(
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CssImportDependency,
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new CssImportDependency.Template()
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);
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compilation.dependencyTemplates.set(
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StaticExportsDependency,
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new StaticExportsDependency.Template()
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);
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normalModuleFactory.hooks.createParser
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.for("css")
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.tap(plugin, parserOptions => {
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validateParserOptions(parserOptions);
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return new CssParser();
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});
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normalModuleFactory.hooks.createParser
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.for("css/global")
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.tap(plugin, parserOptions => {
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validateParserOptions(parserOptions);
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return new CssParser({
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allowPseudoBlocks: false,
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allowModeSwitch: false
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});
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});
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normalModuleFactory.hooks.createParser
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.for("css/module")
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.tap(plugin, parserOptions => {
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validateParserOptions(parserOptions);
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return new CssParser({
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defaultMode: "local"
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});
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});
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normalModuleFactory.hooks.createGenerator
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.for("css")
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.tap(plugin, generatorOptions => {
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validateGeneratorOptions(generatorOptions);
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return this._exportsOnly
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? new CssExportsGenerator()
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: new CssGenerator();
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});
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normalModuleFactory.hooks.createGenerator
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.for("css/global")
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.tap(plugin, generatorOptions => {
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validateGeneratorOptions(generatorOptions);
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return this._exportsOnly
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? new CssExportsGenerator()
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: new CssGenerator();
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});
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normalModuleFactory.hooks.createGenerator
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.for("css/module")
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.tap(plugin, generatorOptions => {
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validateGeneratorOptions(generatorOptions);
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return this._exportsOnly
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? new CssExportsGenerator()
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: new CssGenerator();
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});
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const orderedCssModulesPerChunk = new WeakMap();
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compilation.hooks.afterCodeGeneration.tap("CssModulesPlugin", () => {
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const { chunkGraph } = compilation;
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for (const chunk of compilation.chunks) {
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if (CssModulesPlugin.chunkHasCss(chunk, chunkGraph)) {
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orderedCssModulesPerChunk.set(
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chunk,
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this.getOrderedChunkCssModules(chunk, chunkGraph, compilation)
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);
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}
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}
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});
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compilation.hooks.contentHash.tap("CssModulesPlugin", chunk => {
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const {
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chunkGraph,
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outputOptions: {
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hashSalt,
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hashDigest,
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hashDigestLength,
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hashFunction
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}
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} = compilation;
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const modules = orderedCssModulesPerChunk.get(chunk);
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if (modules === undefined) return;
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const hash = createHash(hashFunction);
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if (hashSalt) hash.update(hashSalt);
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for (const module of modules) {
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hash.update(chunkGraph.getModuleHash(module, chunk.runtime));
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}
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const digest = /** @type {string} */ (hash.digest(hashDigest));
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chunk.contentHash.css = nonNumericOnlyHash(digest, hashDigestLength);
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});
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compilation.hooks.renderManifest.tap(plugin, (result, options) => {
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const { chunkGraph } = compilation;
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const { hash, chunk, codeGenerationResults } = options;
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if (chunk instanceof HotUpdateChunk) return result;
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const modules = orderedCssModulesPerChunk.get(chunk);
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if (modules !== undefined) {
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result.push({
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render: () =>
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this.renderChunk({
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chunk,
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chunkGraph,
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codeGenerationResults,
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uniqueName: compilation.outputOptions.uniqueName,
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modules
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}),
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filenameTemplate: CssModulesPlugin.getChunkFilenameTemplate(
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chunk,
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compilation.outputOptions
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),
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pathOptions: {
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hash,
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runtime: chunk.runtime,
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chunk,
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contentHashType: "css"
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},
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identifier: `css${chunk.id}`,
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hash: chunk.contentHash.css
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});
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}
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return result;
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});
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const enabledChunks = new WeakSet();
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const handler = (chunk, set) => {
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if (enabledChunks.has(chunk)) {
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return;
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}
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enabledChunks.add(chunk);
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set.add(RuntimeGlobals.publicPath);
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set.add(RuntimeGlobals.getChunkCssFilename);
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set.add(RuntimeGlobals.hasOwnProperty);
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set.add(RuntimeGlobals.moduleFactoriesAddOnly);
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set.add(RuntimeGlobals.makeNamespaceObject);
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const CssLoadingRuntimeModule = getCssLoadingRuntimeModule();
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compilation.addRuntimeModule(chunk, new CssLoadingRuntimeModule(set));
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};
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.hasCssModules)
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.tap(plugin, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.ensureChunkHandlers)
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.tap(plugin, handler);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
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.tap(plugin, handler);
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}
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);
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}
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getModulesInOrder(chunk, modules, compilation) {
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if (!modules) return [];
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const modulesList = [...modules];
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// Get ordered list of modules per chunk group
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// Lists are in reverse order to allow to use Array.pop()
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const modulesByChunkGroup = Array.from(chunk.groupsIterable, chunkGroup => {
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const sortedModules = modulesList
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.map(module => {
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return {
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module,
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index: chunkGroup.getModulePostOrderIndex(module)
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};
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})
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.filter(item => item.index !== undefined)
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.sort((a, b) => b.index - a.index)
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.map(item => item.module);
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return { list: sortedModules, set: new Set(sortedModules) };
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});
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if (modulesByChunkGroup.length === 1)
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return modulesByChunkGroup[0].list.reverse();
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const compareModuleLists = ({ list: a }, { list: b }) => {
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if (a.length === 0) {
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return b.length === 0 ? 0 : 1;
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} else {
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if (b.length === 0) return -1;
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return compareModulesByIdentifier(a[a.length - 1], b[b.length - 1]);
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}
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};
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modulesByChunkGroup.sort(compareModuleLists);
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const finalModules = [];
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for (;;) {
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const failedModules = new Set();
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const list = modulesByChunkGroup[0].list;
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if (list.length === 0) {
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// done, everything empty
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break;
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}
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let selectedModule = list[list.length - 1];
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let hasFailed = undefined;
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outer: for (;;) {
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for (const { list, set } of modulesByChunkGroup) {
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if (list.length === 0) continue;
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const lastModule = list[list.length - 1];
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if (lastModule === selectedModule) continue;
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if (!set.has(selectedModule)) continue;
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failedModules.add(selectedModule);
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if (failedModules.has(lastModule)) {
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// There is a conflict, try other alternatives
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hasFailed = lastModule;
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continue;
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}
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selectedModule = lastModule;
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hasFailed = false;
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continue outer; // restart
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}
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break;
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}
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if (hasFailed) {
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// There is a not resolve-able conflict with the selectedModule
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if (compilation) {
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// TODO print better warning
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compilation.warnings.push(
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new Error(
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`chunk ${
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chunk.name || chunk.id
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}\nConflicting order between ${hasFailed.readableIdentifier(
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compilation.requestShortener
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)} and ${selectedModule.readableIdentifier(
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compilation.requestShortener
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)}`
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)
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);
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}
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selectedModule = hasFailed;
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}
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// Insert the selected module into the final modules list
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finalModules.push(selectedModule);
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// Remove the selected module from all lists
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for (const { list, set } of modulesByChunkGroup) {
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const lastModule = list[list.length - 1];
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if (lastModule === selectedModule) list.pop();
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else if (hasFailed && set.has(selectedModule)) {
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const idx = list.indexOf(selectedModule);
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if (idx >= 0) list.splice(idx, 1);
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}
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}
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modulesByChunkGroup.sort(compareModuleLists);
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}
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return finalModules;
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}
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getOrderedChunkCssModules(chunk, chunkGraph, compilation) {
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return [
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...this.getModulesInOrder(
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chunk,
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chunkGraph.getOrderedChunkModulesIterableBySourceType(
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chunk,
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"css-import",
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compareModulesByIdentifier
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),
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compilation
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),
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...this.getModulesInOrder(
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chunk,
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chunkGraph.getOrderedChunkModulesIterableBySourceType(
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chunk,
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"css",
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compareModulesByIdentifier
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),
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compilation
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)
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];
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}
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renderChunk({
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||
|
|
uniqueName,
|
||
|
|
chunk,
|
||
|
|
chunkGraph,
|
||
|
|
codeGenerationResults,
|
||
|
|
modules
|
||
|
|
}) {
|
||
|
|
const source = new ConcatSource();
|
||
|
|
const metaData = [];
|
||
|
|
for (const module of modules) {
|
||
|
|
try {
|
||
|
|
const codeGenResult = codeGenerationResults.get(module, chunk.runtime);
|
||
|
|
|
||
|
|
const s =
|
||
|
|
codeGenResult.sources.get("css") ||
|
||
|
|
codeGenResult.sources.get("css-import");
|
||
|
|
if (s) {
|
||
|
|
source.add(s);
|
||
|
|
source.add("\n");
|
||
|
|
}
|
||
|
|
const exports =
|
||
|
|
codeGenResult.data && codeGenResult.data.get("css-exports");
|
||
|
|
const moduleId = chunkGraph.getModuleId(module) + "";
|
||
|
|
metaData.push(
|
||
|
|
`${
|
||
|
|
exports
|
||
|
|
? Array.from(exports, ([n, v]) => {
|
||
|
|
const shortcutValue = `${
|
||
|
|
uniqueName ? uniqueName + "-" : ""
|
||
|
|
}${moduleId}-${n}`;
|
||
|
|
return v === shortcutValue
|
||
|
|
? `${escapeCss(n)}/`
|
||
|
|
: v === "--" + shortcutValue
|
||
|
|
? `${escapeCss(n)}%`
|
||
|
|
: `${escapeCss(n)}(${escapeCss(v)})`;
|
||
|
|
}).join("")
|
||
|
|
: ""
|
||
|
|
}${escapeCss(moduleId)}`
|
||
|
|
);
|
||
|
|
} catch (e) {
|
||
|
|
e.message += `\nduring rendering of css ${module.identifier()}`;
|
||
|
|
throw e;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
source.add(
|
||
|
|
`head{--webpack-${escapeCss(
|
||
|
|
(uniqueName ? uniqueName + "-" : "") + chunk.id,
|
||
|
|
true
|
||
|
|
)}:${metaData.join(",")};}`
|
||
|
|
);
|
||
|
|
return source;
|
||
|
|
}
|
||
|
|
|
||
|
|
static getChunkFilenameTemplate(chunk, outputOptions) {
|
||
|
|
if (chunk.cssFilenameTemplate) {
|
||
|
|
return chunk.cssFilenameTemplate;
|
||
|
|
} else if (chunk.canBeInitial()) {
|
||
|
|
return outputOptions.cssFilename;
|
||
|
|
} else {
|
||
|
|
return outputOptions.cssChunkFilename;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static chunkHasCss(chunk, chunkGraph) {
|
||
|
|
return (
|
||
|
|
!!chunkGraph.getChunkModulesIterableBySourceType(chunk, "css") ||
|
||
|
|
!!chunkGraph.getChunkModulesIterableBySourceType(chunk, "css-import")
|
||
|
|
);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = CssModulesPlugin;
|