90 lines
2.5 KiB
JavaScript
90 lines
2.5 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Yuta Hiroto @hiroppy
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*/
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"use strict";
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const { RawSource } = require("webpack-sources");
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const Generator = require("../Generator");
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const RuntimeGlobals = require("../RuntimeGlobals");
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const encode = require("./encoder");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../../declarations/plugins/AssetModulesPlugin").AssetModulesPluginOptions} AssetModulesPluginOptions */
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../Compiler")} Compiler */
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/** @typedef {import("../Generator").GenerateContext} GenerateContext */
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/** @typedef {import("../NormalModule")} NormalModule */
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/** @typedef {import("../RuntimeTemplate")} RuntimeTemplate */
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const TYPES = new Set(["javascript"]);
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class AssetJavascriptGenerator extends Generator {
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/**
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* @returns {Set<string>} available types (do not mutate)
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*/
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getTypes() {
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return TYPES;
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}
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/**
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* @param {Compilation} compilation the compilation
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* @param {AssetModulesPluginOptions} options the options
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*/
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constructor(compilation, options) {
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super();
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this.compilation = compilation;
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this.options = options;
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}
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/**
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* @param {NormalModule} module module for which the code should be generated
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* @param {GenerateContext} generateContext context for generate
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* @returns {Source} generated code
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*/
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generate(module, { chunkGraph, runtimeTemplate, runtimeRequirements }) {
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const encodedSource = encode(module, this.options);
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runtimeRequirements.add(RuntimeGlobals.module);
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if (encodedSource) {
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module.buildMeta.dataUrlAsset = true;
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return new RawSource(
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`${RuntimeGlobals.module}.exports = ${JSON.stringify(encodedSource)};`
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);
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}
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const filename = module.nameForCondition();
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const { assetModuleFilename } = runtimeTemplate.outputOptions;
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const url = this.compilation.getAssetPath(assetModuleFilename, {
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module,
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filename,
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chunkGraph
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});
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runtimeRequirements.add(RuntimeGlobals.publicPath); // add __webpack_require__.p
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// TODO: (hiroppy) use ESM
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return new RawSource(
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`${RuntimeGlobals.module}.exports = ${
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RuntimeGlobals.publicPath
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} + ${JSON.stringify(url)};`
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);
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}
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/**
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* @param {NormalModule} module the module
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* @param {string=} type source type
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* @returns {number} estimate size of the module
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*/
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getSize(module, type) {
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const source = this.compilation.codeGenerationResults
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.get(module)
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.sources.get(type);
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return source.size();
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}
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}
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module.exports = AssetJavascriptGenerator;
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