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ContainerPlugin.js
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Wed, Feb 19, 18:12

ContainerPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra, Zackary Jackson @ScriptedAlchemy, Marais Rossouw @maraisr
*/
"use strict";
const { validate } = require("schema-utils");
const schema = require("../../schemas/plugins/container/ContainerPlugin.json");
const ContainerEntryDependency = require("./ContainerEntryDependency");
const ContainerEntryModuleFactory = require("./ContainerEntryModuleFactory");
const ContainerExposedDependency = require("./ContainerExposedDependency");
const { parseOptions } = require("./options");
/** @typedef {import("../../declarations/plugins/container/ContainerPlugin").ContainerPluginOptions} ContainerPluginOptions */
/** @typedef {import("../Compiler")} Compiler */
const PLUGIN_NAME = "ContainerPlugin";
class ContainerPlugin {
/**
* @param {ContainerPluginOptions} options options
*/
constructor(options) {
validate(schema, options, { name: "Container Plugin" });
this._options = {
name: options.name,
shareScope: options.shareScope || "default",
library: options.library || {
type: "var",
name: options.name
},
filename: options.filename || undefined,
exposes: parseOptions(
options.exposes,
item => ({
import: Array.isArray(item) ? item : [item]
}),
item => ({
import: Array.isArray(item.import) ? item.import : [item.import]
})
)
};
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
const { name, exposes, shareScope, filename, library } = this._options;
compiler.options.output.enabledLibraryTypes.push(library.type);
compiler.hooks.make.tapAsync(PLUGIN_NAME, (compilation, callback) => {
const dep = new ContainerEntryDependency(name, exposes, shareScope);
dep.loc = { name };
compilation.addEntry(
compilation.options.context,
dep,
{
name,
filename,
library
},
error => {
if (error) return callback(error);
callback();
}
);
});
compiler.hooks.thisCompilation.tap(
PLUGIN_NAME,
(compilation, { normalModuleFactory }) => {
compilation.dependencyFactories.set(
ContainerEntryDependency,
new ContainerEntryModuleFactory()
);
compilation.dependencyFactories.set(
ContainerExposedDependency,
normalModuleFactory
);
}
);
}
}
module.exports = ContainerPlugin;

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