mirror of https://github.com/webpack/webpack.git
118 lines
2.8 KiB
JavaScript
118 lines
2.8 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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/**
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* @typedef {Object} AmdMainTemplatePluginOptions
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* @param {string=} name the library name
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* @property {boolean=} requireAsWrapper
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*/
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class AmdMainTemplatePlugin {
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/**
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* @param {AmdMainTemplatePluginOptions} options the plugin options
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*/
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constructor(options) {
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if (!options || typeof options === "string") {
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this.name = options;
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this.requireAsWrapper = false;
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} else {
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this.name = options.name;
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this.requireAsWrapper = options.requireAsWrapper;
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}
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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, runtimeTemplate } = compilation;
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const modern = runtimeTemplate.supportsArrowFunction();
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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(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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const fnStart = modern
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? `(${externalsArguments}) => `
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: `function(${externalsArguments}) { return `;
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const fnEnd = modern ? "" : "}";
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if (this.requireAsWrapper) {
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return new ConcatSource(
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`require(${externalsDepsArray}, ${fnStart}`,
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source,
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`${fnEnd});`
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);
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} else 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(name)}, ${externalsDepsArray}, ${fnStart}`,
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source,
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`${fnEnd});`
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);
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} else if (externalsArguments) {
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return new ConcatSource(
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`define(${externalsDepsArray}, ${fnStart}`,
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source,
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`${fnEnd});`
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);
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} else {
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return new ConcatSource(`define(${fnStart}`, source, `${fnEnd});`);
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}
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};
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mainTemplate.hooks.renderWithEntry.tap(
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"AmdMainTemplatePlugin",
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onRenderWithEntry
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);
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chunkTemplate.hooks.renderWithEntry.tap(
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"AmdMainTemplatePlugin",
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onRenderWithEntry
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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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if (this.name) {
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hash.update(this.name);
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}
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});
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}
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}
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module.exports = AmdMainTemplatePlugin;
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