30 lines
635 B
TypeScript
30 lines
635 B
TypeScript
export function preventDefault(event: Event) {
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event.preventDefault();
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return event;
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}
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export function splitOnce(
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str: string,
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search: string
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): [string, string | null] {
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const index = str.indexOf(search);
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if (index === -1) {
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return [str, null];
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}
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return [str.slice(0, index), str.slice(index + 1)];
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}
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export function trim(str: string, char: string) {
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let start = 0;
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let end = str.length;
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while (start < end && str[start] === char) ++start;
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while (end > start && str[end - 1] === char) --end;
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return start > 0 || end < str.length ? str.substring(start, end) : str;
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}
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