Omit undefined and null attributes (#4)

sindresorhus · Mar 30, 2023 · bf53295 · bf53295
1 parent b1d8af0
commit bf53295
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diff --git a/index.js b/index.js
@@ -4,7 +4,7 @@ export default function stringifyAttributes(attributes) {
 	const handledAttributes = [];
 
 	for (let [key, value] of Object.entries(attributes)) {
-		if (value === false) {
+		if (value === false || value === undefined || value === null) {
 			continue;
 		}
 

diff --git a/test.js b/test.js
@@ -12,6 +12,8 @@ test('stringifies attributes', t => {
 				'b',
 			],
 			alt: '',
+			undef: undefined,
+			null: null,
 		}),
 		' unicorn="🦄" rainbow number="1" multiple="a b" alt=""',
 	);