LLJ附件系统全面优化：多格式文件预览与APK兼容性

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7 天以前 fca192d3c38c5dcfbb6ace8bc71d6078f6a079b2

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/*
    MIT License http://www.opensource.org/licenses/mit-license.php
    Author Tobias Koppers @sokra
*/
 
"use strict";
 
const RuntimeGlobals = require("../RuntimeGlobals");
const ExportWebpackRequireRuntimeModule = require("./ExportWebpackRequireRuntimeModule");
const ModuleChunkLoadingRuntimeModule = require("./ModuleChunkLoadingRuntimeModule");
 
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../Compiler")} Compiler */
 
const PLUGIN_NAME = "ModuleChunkLoadingPlugin";
 
class ModuleChunkLoadingPlugin {
    /**
     * Apply the plugin
     * @param {Compiler} compiler the compiler instance
     * @returns {void}
     */
    apply(compiler) {
        compiler.hooks.thisCompilation.tap(PLUGIN_NAME, compilation => {
            const globalChunkLoading = compilation.outputOptions.chunkLoading;
            /**
             * @param {Chunk} chunk chunk to check
             * @returns {boolean} true, when the plugin is enabled for the chunk
             */
            const isEnabledForChunk = chunk => {
                const options = chunk.getEntryOptions();
                const chunkLoading =
                    options && options.chunkLoading !== undefined
                        ? options.chunkLoading
                        : globalChunkLoading;
                return chunkLoading === "import";
            };
            const onceForChunkSet = new WeakSet();
            /**
             * @param {Chunk} chunk chunk to check
             * @param {Set<string>} set runtime requirements
             */
            const handler = (chunk, set) => {
                if (onceForChunkSet.has(chunk)) return;
                onceForChunkSet.add(chunk);
                if (!isEnabledForChunk(chunk)) return;
                set.add(RuntimeGlobals.moduleFactoriesAddOnly);
                set.add(RuntimeGlobals.hasOwnProperty);
                compilation.addRuntimeModule(
                    chunk,
                    new ModuleChunkLoadingRuntimeModule(set)
                );
            };
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.ensureChunkHandlers)
                .tap(PLUGIN_NAME, handler);
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.baseURI)
                .tap(PLUGIN_NAME, handler);
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.externalInstallChunk)
                .tap(PLUGIN_NAME, handler);
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.onChunksLoaded)
                .tap(PLUGIN_NAME, handler);
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.externalInstallChunk)
                .tap(PLUGIN_NAME, (chunk, set) => {
                    if (!isEnabledForChunk(chunk)) return;
                    compilation.addRuntimeModule(
                        chunk,
                        new ExportWebpackRequireRuntimeModule()
                    );
                });
 
            // We need public path only when we prefetch/preload chunk or public path is not `auto`
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.prefetchChunkHandlers)
                .tap(PLUGIN_NAME, (chunk, set) => {
                    if (!isEnabledForChunk(chunk)) return;
                    set.add(RuntimeGlobals.publicPath);
                });
 
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.preloadChunkHandlers)
                .tap(PLUGIN_NAME, (chunk, set) => {
                    if (!isEnabledForChunk(chunk)) return;
                    set.add(RuntimeGlobals.publicPath);
                });
 
            compilation.hooks.runtimeRequirementInTree
                .for(RuntimeGlobals.ensureChunkHandlers)
                .tap(PLUGIN_NAME, (chunk, set) => {
                    if (!isEnabledForChunk(chunk)) return;
 
                    if (compilation.outputOptions.publicPath !== "auto") {
                        set.add(RuntimeGlobals.publicPath);
                    }
 
                    set.add(RuntimeGlobals.getChunkScriptFilename);
                });
        });
    }
}
 
module.exports = ModuleChunkLoadingPlugin;