DllPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const DllEntryPlugin = require("./DllEntryPlugin");
const FlagAllModulesAsUsedPlugin = require("./FlagAllModulesAsUsedPlugin");
const LibManifestPlugin = require("./LibManifestPlugin");
const validateOptions = require("schema-utils");
const schema = require("../schemas/plugins/DllPlugin.json");
/** @typedef {import("../declarations/plugins/DllPlugin").DllPluginOptions} DllPluginOptions */
class DllPlugin {
/**
* @param {DllPluginOptions} options options object
*/
constructor(options) {
validateOptions(schema, options, "Dll Plugin");
this.options = options;
}
apply(compiler) {
compiler.hooks.entryOption.tap("DllPlugin", (context, entry) => {
const itemToPlugin = (item, name) => {
if (Array.isArray(item)) {
return new DllEntryPlugin(context, item, name);
}
throw new Error("DllPlugin: supply an Array as entry");
};
if (typeof entry === "object" && !Array.isArray(entry)) {
Object.keys(entry).forEach(name => {
itemToPlugin(entry[name], name).apply(compiler);
});
} else {
itemToPlugin(entry, "main").apply(compiler);
}
return true;
});
new LibManifestPlugin(this.options).apply(compiler);
if (!this.options.entryOnly) {
new FlagAllModulesAsUsedPlugin("DllPlugin").apply(compiler);
}
}
}
module.exports = DllPlugin;