fix: [#1342] Make DOMTokenList iterable

capricorn86 · Mar 25, 2024 · fb2f1cb · fb2f1cb
1 parent 0ee95b7
commit fb2f1cb
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diff --git a/packages/happy-dom/src/dom-token-list/DOMTokenList.ts b/packages/happy-dom/src/dom-token-list/DOMTokenList.ts
@@ -51,6 +51,13 @@ export default class DOMTokenList {
 		return this.#ownerElement.getAttribute(this.#attributeName);
 	}
 
+	/**
+	 * Returns an iterator, allowing you to go through all values of the key/value pairs contained in this object.
+	 */
+	public [Symbol.iterator](): IterableIterator<string> {
+		return this.#getTokenList().values();
+	}
+
 	/**
 	 * Get ClassName.
 	 *

diff --git a/packages/happy-dom/test/dom-token-list/DOMTokenList.test.ts b/packages/happy-dom/test/dom-token-list/DOMTokenList.test.ts
@@ -155,10 +155,19 @@ describe('DOMTokenList', () => {
 	describe('values()', () => {
 		it('A stringifier property that returns the value of the list as a string.', () => {
 			element.className = 'class1 class2 class3';
+			expect(typeof classList.values()[Symbol.iterator]).toEqual('function');
 			expect(Array.from(classList.values())).toEqual(['class1', 'class2', 'class3']);
 		});
 	});
 
+	describe('Iterator', () => {
+		it('A stringifier property that returns the value of the list as a string.', () => {
+			element.className = 'class1 class2 class3';
+			expect(typeof classList[Symbol.iterator]).toEqual('function');
+			expect(Array.from(classList)).toEqual(['class1', 'class2', 'class3']);
+		});
+	});
+
 	describe('entries()', () => {
 		it('Returns an iterator, allowing you to go through all key/value pairs contained in this object.', () => {
 			element.className = 'class1 class2 class3';