webpack/lib/PlatformPlugin.js

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports 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
	Authors Ivan Kopeykin @vankop
*/

"use strict";

/** @typedef {import("./Compiler")} Compiler */
/** @typedef {import("./config/target").PlatformTargetProperties} PlatformTargetProperties */

/**
 * Should be used only for "target === false" or
 * when you want to overwrite platform target properties
 */
class PlatformPlugin {
	/**
	 * @param {Partial<PlatformTargetProperties>} platform target properties
	 */
	constructor(platform) {
		/** @type {Partial<PlatformTargetProperties>} */
		this.platform = platform;
	}

	/**
	 * Apply the plugin
	 * @param {Compiler} compiler the compiler instance
	 * @returns {void}
	 */
	apply(compiler) {
		compiler.hooks.environment.tap("PlatformPlugin", () => {
			compiler.platform = {
				...compiler.platform,
				...this.platform
			};
		});
	}
}

module.exports = PlatformPlugin;