webpack/lib/errors/UnusedFederationWarning.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 Alexander Akait @alexander-akait
*/

"use strict";

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

/**
 * @typedef {object} UnusedFederationDetails
 * @property {string} name the share key or remote name, as declared
 * @property {"shared" | "remote"} kind which list declared it
 */

class UnusedFederationWarning extends WebpackError {
	/**
	 * Creates an instance of UnusedFederationWarning.
	 * @param {UnusedFederationDetails[]} entries the entries nothing used
	 */
	constructor(entries) {
		const list = entries
			.map((entry) => `\n  ${entry.name} (${entry.kind})`)
			.join("");

		super(
			`unused federation config: ${entries.length} ${entries.length === 1 ? "entry was" : "entries were"} declared but never used:${list}\nA 'shared' key nothing imports is not shared at all — each side keeps its own copy, which for a package holding state breaks at runtime rather than only costing bytes. A 'remotes' name nothing imports is dead configuration, or names a remote the code spells differently.\nFor more info visit https://webpack.js.org/concepts/module-federation/`
		);

		/** @type {string} */
		this.name = "UnusedFederationWarning";
	}
}

module.exports = UnusedFederationWarning;