mirror of https://github.com/webpack/webpack.git
98 lines
2.8 KiB
JavaScript
98 lines
2.8 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 { RuntimeGlobals } = require("..");
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const HotUpdateChunk = require("../HotUpdateChunk");
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const Template = require("../Template");
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const {
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getCompilationHooks
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} = require("../javascript/JavascriptModulesPlugin");
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/** @typedef {import("../Compiler")} Compiler */
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class ModuleChunkFormatPlugin {
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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.thisCompilation.tap(
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"ModuleChunkFormatPlugin",
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compilation => {
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compilation.hooks.additionalChunkRuntimeRequirements.tap(
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"ModuleChunkFormatPlugin",
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(chunk, set) => {
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if (chunk.hasRuntime()) return;
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if (compilation.chunkGraph.getNumberOfEntryModules(chunk) > 0) {
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set.add(RuntimeGlobals.onChunksLoaded);
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set.add(RuntimeGlobals.require);
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}
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}
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);
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const hooks = getCompilationHooks(compilation);
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hooks.renderChunk.tap(
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"ModuleChunkFormatPlugin",
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(modules, renderContext) => {
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const { chunk, chunkGraph } = renderContext;
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const hotUpdateChunk =
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chunk instanceof HotUpdateChunk ? chunk : null;
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const source = new ConcatSource();
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if (hotUpdateChunk) {
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throw new Error(
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"HMR is not implemented for module chunk format yet"
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);
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} else {
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source.add(`export const id = ${JSON.stringify(chunk.id)};\n`);
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source.add(`export const ids = ${JSON.stringify(chunk.ids)};\n`);
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source.add(`export const modules = `);
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source.add(modules);
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source.add(`;\n`);
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const runtimeModules =
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chunkGraph.getChunkRuntimeModulesInOrder(chunk);
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if (runtimeModules.length > 0) {
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source.add("export const runtime =\n");
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source.add(
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Template.renderChunkRuntimeModules(
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runtimeModules,
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renderContext
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)
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);
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}
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const entries = Array.from(
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chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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);
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if (entries.length > 0) {
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throw new Error(
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"Entry modules in chunk is not implemented for module chunk format yet"
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);
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}
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}
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return source;
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}
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);
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hooks.chunkHash.tap(
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"ModuleChunkFormatPlugin",
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(chunk, hash, { chunkGraph, runtimeTemplate }) => {
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if (chunk.hasRuntime()) return;
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hash.update("ModuleChunkFormatPlugin");
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hash.update("1");
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// TODO
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// const entries = Array.from(
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// chunkGraph.getChunkEntryModulesWithChunkGroupIterable(chunk)
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// );
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// updateHashForEntryStartup(hash, chunkGraph, entries, chunk);
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}
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);
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}
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);
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}
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}
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module.exports = ModuleChunkFormatPlugin;
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