ut2/lib/list.js

一个现代 JavaScript 实用工具库。[点击查看在线文档]。

'use strict';

var identity = require('./identity.js');
var native = require('./internals/native.js');
var isInteger = require('./isInteger.js');
var isFinite = require('./isFinite.js');

var list = function (n, iteratee) {
    if (iteratee === void 0) { iteratee = identity; }
    if (n < 1 || n > native.MAX_SAFE_INTEGER) {
        return [];
    }
    var index = 0;
    var length = native.mathMin(isInteger(n) ? n : native.mathFloor(isFinite(n) ? n : 0), native.MAX_ARRAY_LENGTH);
    var result = Array(length);
    var func = typeof iteratee === 'function' ? iteratee : identity;
    while (index < length) {
        result[index] = func(index);
        index++;
    }
    return result;
};

module.exports = list;