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SharePlugin.js
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Sat, Feb 15, 13:54

SharePlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra and Zackary Jackson @ScriptedAlchemy
*/
"use strict";
const { parseOptions } = require("../container/options");
const ConsumeSharedPlugin = require("./ConsumeSharedPlugin");
const ProvideSharedPlugin = require("./ProvideSharedPlugin");
const { isRequiredVersion } = require("./utils");
/** @typedef {import("../../declarations/plugins/sharing/ConsumeSharedPlugin").ConsumeSharedPluginOptions} ConsumeSharedPluginOptions */
/** @typedef {import("../../declarations/plugins/sharing/ConsumeSharedPlugin").ConsumesConfig} ConsumesConfig */
/** @typedef {import("../../declarations/plugins/sharing/ProvideSharedPlugin").ProvideSharedPluginOptions} ProvideSharedPluginOptions */
/** @typedef {import("../../declarations/plugins/sharing/ProvideSharedPlugin").ProvidesConfig} ProvidesConfig */
/** @typedef {import("../../declarations/plugins/sharing/SharePlugin").SharePluginOptions} SharePluginOptions */
/** @typedef {import("../../declarations/plugins/sharing/SharePlugin").SharedConfig} SharedConfig */
/** @typedef {import("../Compiler")} Compiler */
class SharePlugin {
/**
* @param {SharePluginOptions} options options
*/
constructor(options) {
/** @type {[string, SharedConfig][]} */
const sharedOptions = parseOptions(
options.shared,
(item, key) => {
if (typeof item !== "string")
throw new Error("Unexpected array in shared");
/** @type {SharedConfig} */
const config =
item === key || !isRequiredVersion(item)
? {
import: item
}
: {
import: key,
requiredVersion: item
};
return config;
},
item => item
);
/** @type {Record<string, ConsumesConfig>[]} */
const consumes = sharedOptions.map(([key, options]) => ({
[key]: {
import: options.import,
shareKey: options.shareKey || key,
shareScope: options.shareScope,
requiredVersion: options.requiredVersion,
strictVersion: options.strictVersion,
singleton: options.singleton,
packageName: options.packageName,
eager: options.eager
}
}));
/** @type {Record<string, ProvidesConfig>[]} */
const provides = sharedOptions
.filter(([, options]) => options.import !== false)
.map(([key, options]) => ({
[options.import || key]: {
shareKey: options.shareKey || key,
shareScope: options.shareScope,
version: options.version,
eager: options.eager
}
}));
this._shareScope = options.shareScope;
this._consumes = consumes;
this._provides = provides;
}
/**
* Apply the plugin
* @param {Compiler} compiler the compiler instance
* @returns {void}
*/
apply(compiler) {
new ConsumeSharedPlugin({
shareScope: this._shareScope,
consumes: this._consumes
}).apply(compiler);
new ProvideSharedPlugin({
shareScope: this._shareScope,
provides: this._provides
}).apply(compiler);
}
}
module.exports = SharePlugin;

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