Project Init

node_modules/es-toolkit/dist/compat/function/negate.mjs

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