@nathanfaucett/is_array/src/index.js

checks if value is an Array

var isNative = require("@nathanfaucett/is_native"),
    isLength = require("@nathanfaucett/is_length"),
    isObject = require("@nathanfaucett/is_object");


var objectToString = Object.prototype.toString,
    nativeIsArray = Array.isArray,
    isArray;


if (isNative(nativeIsArray)) {
    isArray = nativeIsArray;
} else {
    isArray = function isArray(value) {
        return (
            isObject(value) &&
            isLength(value.length) &&
            objectToString.call(value) === "[object Array]"
        ) || false;
    };
}


module.exports = isArray;