99 lines
2.3 KiB
JavaScript
99 lines
2.3 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 { ConcatSource } = require("webpack-sources");
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const ExternalModule = require("./ExternalModule");
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const Template = require("./Template");
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/** @typedef {import("./Compilation")} Compilation */
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class AmdMainTemplatePlugin {
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/**
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* @param {string=} name the library name
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*/
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constructor(name) {
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/** @type {string=} */
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this.name = name;
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}
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/**
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* @param {Compilation} compilation the compilation instance
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* @returns {void}
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*/
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apply(compilation) {
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const { mainTemplate, chunkTemplate } = compilation;
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const onRenderWithEntry = (source, chunk, hash) => {
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const chunkGraph = compilation.chunkGraph;
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const modules = chunkGraph
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.getChunkModules(chunk)
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.filter(m => m instanceof ExternalModule);
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const externals = /** @type {ExternalModule[]} */ (modules);
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const externalsDepsArray = JSON.stringify(
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externals.map(
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m =>
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typeof m.request === "object" && !Array.isArray(m.request)
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? m.request.amd
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: m.request
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)
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);
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const externalsArguments = externals
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.map(
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m =>
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`__WEBPACK_EXTERNAL_MODULE_${Template.toIdentifier(
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`${chunkGraph.getModuleId(m)}`
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)}__`
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)
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.join(", ");
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if (this.name) {
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const name = mainTemplate.getAssetPath(this.name, {
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hash,
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chunk
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});
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return new ConcatSource(
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`define(${JSON.stringify(
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name
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)}, ${externalsDepsArray}, function(${externalsArguments}) { return `,
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source,
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"});"
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);
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} else if (externalsArguments) {
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return new ConcatSource(
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`define(${externalsDepsArray}, function(${externalsArguments}) { return `,
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source,
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"});"
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);
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} else {
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return new ConcatSource("define(function() { return ", source, "});");
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}
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};
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for (const template of [mainTemplate, chunkTemplate]) {
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template.hooks.renderWithEntry.tap(
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"AmdMainTemplatePlugin",
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onRenderWithEntry
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);
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}
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mainTemplate.hooks.globalHashPaths.tap("AmdMainTemplatePlugin", paths => {
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if (this.name) {
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paths.push(this.name);
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}
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return paths;
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});
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mainTemplate.hooks.hash.tap("AmdMainTemplatePlugin", hash => {
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hash.update("exports amd");
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hash.update(this.name);
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});
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}
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}
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module.exports = AmdMainTemplatePlugin;
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