lodash / lodash

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	import baseFlatten from './.internal/baseFlatten.js'

	/**
	* Flattens `array` a single level deep.
	*
	* @since 0.1.0
	* @category Array
	* @param {Array} array The array to flatten.
	* @returns {Array} Returns the new flattened array.
	* @see flatMap, flatMapDeep, flatMapDepth, flattenDeep, flattenDepth
	* @example
	*
	* flatten([1, [2, [3, [4]], 5]])
	* // => [1, 2, [3, [4]], 5]
	*/
	function flatten(array) {
	const length = array == null ? 0 : array.length
	return length ? baseFlatten(array, 1) : []
	}

	export default flatten

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