lodash / lodash

Cannot retrieve contributors at this time

28 lines (27 sloc) 688 Bytes

Raw Blame

	/**
	* Creates a function that negates the result of the predicate `func`. The
	* `func` predicate is invoked with the `this` binding and arguments of the
	* created function.
	*
	* @since 3.0.0
	* @category Function
	* @param {Function} predicate The predicate to negate.
	* @returns {Function} Returns the new negated function.
	* @example
	*
	* function isEven(n) {
	* return n % 2 == 0
	* }
	*
	* filter([1, 2, 3, 4, 5, 6], negate(isEven))
	* // => [1, 3, 5]
	*/
	function negate(predicate) {
	if (typeof predicate !== 'function') {
	throw new TypeError('Expected a function')
	}
	return function(...args) {
	return !predicate.apply(this, args)
	}
	}

	export default negate

lodash/negate.js / Jump to Code definitions negate Function Code navigation index up-to-date