22 lines
666 B
JavaScript
22 lines
666 B
JavaScript
//#region src/compat/function/negate.ts
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/**
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* Creates a function that negates the result of the predicate function.
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*
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* @template F - The type of the function to negate.
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* @param func - The function to negate.
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* @returns The new negated function, which negates the boolean result of `func`.
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*
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* @example
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* const array = [1, 2, 3, 4, 5, 6];
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* const isEven = (n: number) => n % 2 === 0;
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* const result = array.filter(negate(isEven));
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* // result will be [1, 3, 5]
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*/
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function negate(func) {
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if (typeof func !== "function") throw new TypeError("Expected a function");
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return function(...args) {
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return !func.apply(this, args);
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};
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}
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//#endregion
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export { negate };
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