9 lines
339 B
TypeScript
9 lines
339 B
TypeScript
export function caseInsensitive<T extends string | string[]>(
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stringOrStringArray: T
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): T extends string[] ? string[] : string {
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return (
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stringOrStringArray instanceof Array
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? stringOrStringArray.map((string) => string.toLowerCase())
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: stringOrStringArray.toLowerCase()
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) as T extends string[] ? string[] : string;
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} |