webpack/lib/node/NodeTargetPlugin.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
	Author Tobias Koppers @sokra
*/

"use strict";

const ExternalsPlugin = require("../ExternalsPlugin");

/** @typedef {import("../../declarations/WebpackOptions").ExternalsType} ExternalsType */
/** @typedef {import("../Compiler")} Compiler */

const builtins = [
	"assert",
	"assert/strict",
	"async_hooks",
	"buffer",
	"child_process",
	"cluster",
	"console",
	"constants",
	"crypto",
	"dgram",
	"diagnostics_channel",
	"dns",
	"dns/promises",
	"domain",
	"events",
	"fs",
	"fs/promises",
	"http",
	"http2",
	"https",
	"inspector",
	"inspector/promises",
	"module",
	"net",
	"os",
	"path",
	"path/posix",
	"path/win32",
	"perf_hooks",
	"process",
	"punycode",
	"querystring",
	"readline",
	"readline/promises",
	"repl",
	"stream",
	"stream/consumers",
	"stream/promises",
	"stream/web",
	"string_decoder",
	"sys",
	"timers",
	"timers/promises",
	"tls",
	"trace_events",
	"tty",
	"url",
	"util",
	"util/types",
	"v8",
	"vm",
	"wasi",
	"worker_threads",
	"zlib",
	/^node:/,

	// cspell:word pnpapi
	// Yarn PnP adds pnpapi as "builtin"
	"pnpapi"
];

class NodeTargetPlugin {
	/**
	 * Creates an instance of NodeTargetPlugin.
	 * @param {ExternalsType} type default external type
	 */
	constructor(type = "node-commonjs") {
		/** @type {ExternalsType} */
		this.type = type;
	}

	/**
	 * Applies the plugin by registering its hooks on the compiler.
	 * @param {Compiler} compiler the compiler instance
	 * @returns {void}
	 */
	apply(compiler) {
		new ExternalsPlugin((dependency) => {
			// When `require` node.js built-in modules with module output
			// we should still emit `createRequire` for compatibility
			if (dependency.category === "commonjs") {
				return "node-commonjs";
			}

			return this.type;
		}, builtins).apply(compiler);
	}
}

module.exports = NodeTargetPlugin;