webpack/lib/sharing/ProvideSharedDependency.js

Packs CommonJs/AMD modules for the browser. Allows to split your codebase into multiple bundles, which can be loaded on demand. Support loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const Dependency = require("../Dependency");
const makeSerializable = require("../util/makeSerializable");

class ProvideSharedDependency extends Dependency {
	constructor(shareScope, name, version, request, eager) {
		super();
		this.shareScope = shareScope;
		this.name = name;
		this.version = version;
		this.request = request;
		this.eager = eager;
	}

	get type() {
		return "provide shared module";
	}

	/**
	 * @returns {string | null} an identifier to merge equal requests
	 */
	getResourceIdentifier() {
		return `provide module (${this.shareScope}) ${this.request} as ${
			this.name
		} @ ${this.version}${this.eager ? " (eager)" : ""}`;
	}

	serialize(context) {
		context.write(this.shareScope);
		context.write(this.name);
		context.write(this.request);
		context.write(this.version);
		context.write(this.eager);
		super.serialize(context);
	}

	static deserialize(context) {
		const { read } = context;
		const obj = new ProvideSharedDependency(
			read(),
			read(),
			read(),
			read(),
			read()
		);
		this.shareScope = context.read();
		obj.deserialize(context);
		return obj;
	}
}

makeSerializable(
	ProvideSharedDependency,
	"webpack/lib/sharing/ProvideSharedDependency"
);

module.exports = ProvideSharedDependency;