@newdash/newdash/.internal/arrayLikeKeys.js

javascript/typescript utility library

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const isArguments_1 = __importDefault(require("../isArguments"));
const isBuffer_1 = __importDefault(require("../isBuffer"));
const isIndex_1 = __importDefault(require("./isIndex"));
const isTypedArray_1 = __importDefault(require("../isTypedArray"));
/** Used to check objects for own properties. */
const hasOwnProperty = Object.prototype.hasOwnProperty;
/**
 * Creates an array of the enumerable property names of the array-like `value`.
 *
 * @private
 * @param {*} value The value to query.
 * @param {boolean} inherited Specify returning inherited property names.
 * @returns {Array} Returns the array of property names.
 */
function arrayLikeKeys(value, inherited = false) {
    const isArr = Array.isArray(value);
    const isArg = !isArr && (0, isArguments_1.default)(value);
    const isBuff = !isArr && !isArg && (0, isBuffer_1.default)(value);
    const isType = !isArr && !isArg && !isBuff && (0, isTypedArray_1.default)(value);
    const skipIndexes = isArr || isArg || isBuff || isType;
    const length = value.length;
    const result = new Array(skipIndexes ? length : 0);
    let index = skipIndexes ? -1 : length;
    while (++index < length) {
        result[index] = `${index}`;
    }
    for (const key in value) {
        if ((inherited || hasOwnProperty.call(value, key)) &&
            !(skipIndexes && (
            // Safari 9 has enumerable `arguments.length` in strict mode.
            (key === 'length' ||
                // Skip index properties.
                (0, isIndex_1.default)(key, length))))) {
            result.push(key);
        }
    }
    return result;
}
exports.default = arrayLikeKeys;