Method shutdown

lib/Watching.js:508–515

(err)

			 * @param {Error | null} err error if any
			 */
			const shutdown = (err) => {
				this.compiler.hooks.watchClose.call();
				const closeCallbacks =
					/** @type {ErrorCallback[]} */
					(this._closeCallbacks);
				this._closeCallbacks = undefined;
				for (const cb of closeCallbacks) cb(err);
			};
			if (compilation) {
				const logger = compilation.getLogger("webpack.Watching");
				logger.time("storeBuildDependencies");