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rOACCT/node_modules/webpack/lib/css/CssGenerator.js
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CssGenerator.js
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			/*
			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 = module.originalSource();
			const source = new ReplaceSource(originalSource);
			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
			};

			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;