webpack/lib/node/NodeTemplatePlugin.js

100 lines
3.4 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { ConcatSource } = require("webpack-sources");
const RuntimeGlobals = require("../RuntimeGlobals");
const Template = require("../Template");
const JavascriptModulesPlugin = require("../javascript/JavascriptModulesPlugin");
const ReadFileChunkLoadingRuntimeModule = require("./ReadFileChunkLoadingRuntimeModule");
const RequireChunkLoadingRuntimeModule = require("./RequireChunkLoadingRuntimeModule");
/** @typedef {import("../Compiler")} Compiler */
class NodeTemplatePlugin {
constructor(options) {
options = options || {};
this.asyncChunkLoading = options.asyncChunkLoading;
}
/**
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
const ChunkLoadingRuntimeModule = this.asyncChunkLoading
? ReadFileChunkLoadingRuntimeModule
: RequireChunkLoadingRuntimeModule;
compiler.hooks.thisCompilation.tap("NodeTemplatePlugin", compilation => {
const hooks = JavascriptModulesPlugin.getCompilationHooks(compilation);
hooks.renderChunk.tap("NodeTemplatePlugin", (modules, renderContext) => {
const { chunk, chunkGraph } = renderContext;
const source = new ConcatSource();
source.add(`exports.id = ${JSON.stringify(chunk.id)};\n`);
source.add(`exports.ids = ${JSON.stringify(chunk.ids)};\n`);
source.add(`exports.modules = `);
source.add(modules);
source.add(";\n");
const runtimeModules = chunkGraph.getChunkRuntimeModulesInOrder(chunk);
if (runtimeModules.length > 0) {
source.add("exports.runtime =\n");
source.add(
Template.renderChunkRuntimeModules(runtimeModules, renderContext)
);
source.add(";\n");
}
return source;
});
hooks.chunkHash.tap("NodeTemplatePlugin", (chunk, hash) => {
if (chunk.hasRuntime()) return;
hash.update("node");
hash.update("1");
});
const onceForChunkSet = new WeakSet();
const handler = (chunk, set) => {
if (onceForChunkSet.has(chunk)) return;
onceForChunkSet.add(chunk);
set.add(RuntimeGlobals.moduleFactoriesAddOnly);
set.add(RuntimeGlobals.hasOwnProperty);
compilation.addRuntimeModule(chunk, new ChunkLoadingRuntimeModule(set));
};
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunkHandlers)
.tap("NodeTemplatePlugin", handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
.tap("NodeTemplatePlugin", handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadManifest)
.tap("NodeTemplatePlugin", handler);
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.ensureChunkHandlers)
.tap("NodeTemplatePlugin", (chunk, set) => {
set.add(RuntimeGlobals.getChunkScriptFilename);
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadUpdateHandlers)
.tap("NodeTemplatePlugin", (chunk, set) => {
set.add(RuntimeGlobals.getChunkUpdateScriptFilename);
set.add(RuntimeGlobals.moduleCache);
set.add(RuntimeGlobals.hmrModuleData);
set.add(RuntimeGlobals.moduleFactoriesAddOnly);
});
compilation.hooks.runtimeRequirementInTree
.for(RuntimeGlobals.hmrDownloadManifest)
.tap("NodeTemplatePlugin", (chunk, set) => {
set.add(RuntimeGlobals.getUpdateManifestFilename);
});
});
}
}
module.exports = NodeTemplatePlugin;