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9 lines
249 B
TypeScript
9 lines
249 B
TypeScript
export function assertIsNode(e: EventTarget | null): asserts e is Node {
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if (!e || !('nodeType' in e)) {
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throw new Error(`Node expected`);
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}
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}
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export function delay(ms: number) {
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return new Promise(resolve => setTimeout(resolve, ms));
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} |