use forEachBail from enhanced-resolve

Author: sokra

lib/CacheFacade.js

@@ -5,6 +5,7 @@
 
 "use strict";
 
+const { forEachBail } = require("enhanced-resolve");
 const asyncLib = require("neo-async");
 const getLazyHashedEtag = require("./cache/getLazyHashedEtag");
 const mergeEtags = require("./cache/mergeEtags");
@@ -46,23 +47,7 @@ class MultiItemCache {
 	 * @returns {void}
 	 */
 	get(callback) {
-		let i = 0;
-		let resultFound = false;
-		const generateGetCallback = (/** @type {Boolean} */ lastItem) => {
-			return (
-				/** @type {import("./WebpackError")} */ err,
-				/** @type {T} */ res
-			) => {
-				if (resultFound) return;
-				resultFound = !!(err || res || false);
-				if (err) return callback(err);
-				if (res !== undefined) return callback(null, res);
-				if (lastItem) return callback();
-			};
-		};
-		do {
-			this._items[i].get(generateGetCallback(i === this._items.length - 1));
-		} while (++i < this._items.length);
+		forEachBail(this._items, (item, callback) => item.get(callback), callback);
 	}
 
 	/**

test/MultiItemCache.unittest.js

@@ -32,7 +32,7 @@ describe("MultiItemCache", () => {
 		const multiItemCache = new MultiItemCache(itemCaches);
 		let callbacks = 0;
 		const callback = (err, res) => {
-			expect(err).toBeUndefined();
+			expect(err).toBeNull();
 			expect(res).toBeUndefined();
 			++callbacks;
 		};