11 lines
364 B
TypeScript
11 lines
364 B
TypeScript
export class HtmlUtils {
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public static getElementByIdOrFail<T extends HTMLElement>(id: string): T {
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const elem = document.getElementById(id);
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if (elem === null) {
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throw new Error("Cannot find HTML element with id '"+id+"'");
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}
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// FIXME: does not check the type of the returned type
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return elem as T;
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}
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}
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