webpack/lib/IgnoreWarningsPlugin.js

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

"use strict";

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

class IgnoreWarningsPlugin {
	/**
	 * @param {IgnoreWarningsNormalized} ignoreWarnings conditions to ignore warnings
	 */
	constructor(ignoreWarnings) {
		this._ignoreWarnings = ignoreWarnings;
	}
	/**
	 * Apply the plugin
	 * @param {Compiler} compiler the compiler instance
	 * @returns {void}
	 */
	apply(compiler) {
		compiler.hooks.compilation.tap("IgnoreWarningsPlugin", compilation => {
			compilation.hooks.processWarnings.tap(
				"IgnoreWarningsPlugin",
				warnings => {
					return warnings.filter(warning => {
						return !this._ignoreWarnings.some(ignore =>
							ignore(warning, compilation)
						);
					});
				}
			);
		});
	}
}

module.exports = IgnoreWarningsPlugin;