feat: refactoring project

node_modules/webpack/lib/util/TupleSet.js

@@ -9,7 +9,11 @@
  * @template {any[]} T
  */
 class TupleSet {
+	/**
+	 * @param {Iterable<T>=} init init
+	 */
 	constructor(init) {
+		/** @type {Map<T, TODO>} */
 		this._map = new Map();
 		this.size = 0;
 		if (init) {
@@ -62,7 +66,7 @@ class TupleSet {
 		}
 
 		const beforeLast = args[args.length - 2];
-		let set = map.get(beforeLast);
+		const set = map.get(beforeLast);
 		if (set === undefined) {
 			return false;
 		}
@@ -86,7 +90,7 @@ class TupleSet {
 		}
 
 		const beforeLast = args[args.length - 2];
-		let set = map.get(beforeLast);
+		const set = map.get(beforeLast);
 		if (set === undefined) {
 			return;
 		}
@@ -101,10 +105,17 @@ class TupleSet {
 	 * @returns {Iterator<T>} iterator
 	 */
 	[Symbol.iterator]() {
+		/** @type {TODO[]} */
 		const iteratorStack = [];
+		/** @type {T[]} */
 		const tuple = [];
-		let currentSetIterator = undefined;
+		/** @type {Iterator<T> | undefined} */
+		let currentSetIterator;
 
+		/**
+		 * @param {TODO} it iterator
+		 * @returns {boolean} result
+		 */
 		const next = it => {
 			const result = it.next();
 			if (result.done) {
@@ -118,9 +129,8 @@ class TupleSet {
 			if (value instanceof Set) {
 				currentSetIterator = value[Symbol.iterator]();
 				return true;
-			} else {
-				return next(value[Symbol.iterator]());
 			}
+			return next(value[Symbol.iterator]());
 		};
 
 		next(this._map[Symbol.iterator]());