Revision of expectEl.ts

1 file changed, 20 insertions

expectEl.ts(arquivo criado)

		@@ -0,0 +1,20 @@
1	+	export function expectEl<T extends HTMLElement = HTMLElement>(
2	+	query: string,
3	+	rootEl: Element \| Document = document,
4	+	): T {
5	+	const el = rootEl.querySelector<T>(query);
6	+
7	+	if (!el) {
8	+	throw new Error(`[expectEl] Can't find \`${query}\` element`);
9	+	}
10	+
11	+	return el;
12	+	}
13	+
14	+	export function expectEls<T extends HTMLElement = HTMLElement>(
15	+	query: string,
16	+	rootEl: Element \| Document = document,
17	+	): T[] {
18	+	const els = rootEl.querySelectorAll<T>(query);
19	+	return Array.from(els);
20	+	}

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