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9 lines
303 B
TypeScript
9 lines
303 B
TypeScript
type DefinableElement = CustomElementConstructor & { tagName: string };
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/** Define a custom element only if not already registered. */
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export function safeDefine(element: DefinableElement): void {
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if (!customElements.get(element.tagName)) {
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customElements.define(element.tagName, element);
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}
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}
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