import baseIndexOf from './baseIndexOf.js'

/**
 * A specialized version of `includes` for arrays without support for
 * specifying an index to search from.
 * 数组的includes方法，并且不支持指定起始index的版本.
 * ES中数组的includes方法支持传入index，支持检测NaN, 而且还支持正负数。
 * @private
 * @param {Array} [array] The array to inspect.
 * @param {*} target The value to search for.
 * @returns {boolean} Returns `true` if `target` is found, else `false`.
 */
function arrayIncludes(array, value) {
  const length = array == null ? 0 : array.length
  return !!length && baseIndexOf(array, value, 0) > -1
}

export default arrayIncludes
