mirror of https://github.com/webpack/webpack.git
108 lines
3.1 KiB
JavaScript
108 lines
3.1 KiB
JavaScript
/*
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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 RuntimeGlobals = require("../RuntimeGlobals");
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const ChunkPrefetchFunctionRuntimeModule = require("./ChunkPrefetchFunctionRuntimeModule");
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const ChunkPrefetchStartupRuntimeModule = require("./ChunkPrefetchStartupRuntimeModule");
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const ChunkPrefetchTriggerRuntimeModule = require("./ChunkPrefetchTriggerRuntimeModule");
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/** @typedef {import("../Compiler")} Compiler */
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class ChunkPrefetchPreloadPlugin {
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/**
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* @param {Compiler} compiler the compiler
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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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"ChunkPrefetchPreloadPlugin",
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compilation => {
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compilation.hooks.additionalChunkRuntimeRequirements.tap(
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"ChunkPrefetchPreloadPlugin",
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(chunk, set) => {
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const { chunkGraph } = compilation;
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if (chunkGraph.getNumberOfEntryModules(chunk) === 0) return;
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const startupChildChunks = chunk.getChildIdsByOrders(chunkGraph);
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if (startupChildChunks.prefetch) {
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set.add(RuntimeGlobals.prefetchChunk);
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set.add(RuntimeGlobals.startup);
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compilation.addRuntimeModule(
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chunk,
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new ChunkPrefetchStartupRuntimeModule(
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"prefetch",
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RuntimeGlobals.prefetchChunk,
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startupChildChunks.prefetch
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)
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);
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}
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}
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);
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compilation.hooks.additionalTreeRuntimeRequirements.tap(
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"ChunkPrefetchPreloadPlugin",
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(chunk, set) => {
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const { chunkGraph } = compilation;
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const chunkMap = chunk.getChildIdsByOrdersMap(chunkGraph, false);
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if (chunkMap.prefetch) {
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set.add(RuntimeGlobals.prefetchChunk);
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compilation.addRuntimeModule(
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chunk,
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new ChunkPrefetchTriggerRuntimeModule(
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"prefetch",
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RuntimeGlobals.prefetchChunk,
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chunkMap.prefetch,
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true
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)
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);
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}
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if (chunkMap.preload) {
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set.add(RuntimeGlobals.preloadChunk);
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compilation.addRuntimeModule(
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chunk,
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new ChunkPrefetchTriggerRuntimeModule(
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"preload",
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RuntimeGlobals.preloadChunk,
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chunkMap.preload,
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false
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)
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);
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}
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}
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);
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.prefetchChunk)
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.tap("ChunkPrefetchPreloadPlugin", (chunk, set) => {
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compilation.addRuntimeModule(
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chunk,
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new ChunkPrefetchFunctionRuntimeModule(
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"prefetch",
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RuntimeGlobals.prefetchChunk,
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RuntimeGlobals.prefetchChunkHandlers
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)
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);
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set.add(RuntimeGlobals.prefetchChunkHandlers);
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});
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compilation.hooks.runtimeRequirementInTree
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.for(RuntimeGlobals.preloadChunk)
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.tap("ChunkPrefetchPreloadPlugin", (chunk, set) => {
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compilation.addRuntimeModule(
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chunk,
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new ChunkPrefetchFunctionRuntimeModule(
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"preload",
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RuntimeGlobals.preloadChunk,
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RuntimeGlobals.preloadChunkHandlers
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)
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);
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set.add(RuntimeGlobals.preloadChunkHandlers);
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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 = ChunkPrefetchPreloadPlugin;
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