Function arrayLikeKeys

test-app/public/sinon.js:13008–13033

* 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 na

(value, inherited)

         * @returns {Array} Returns the array of property names.
         */
        function arrayLikeKeys(value, inherited) {
          var isArr = isArray(value),
              isArg = !isArr && isArguments(value),
              isBuff = !isArr && !isArg && isBuffer(value),
              isType = !isArr && !isArg && !isBuff && isTypedArray(value),
              skipIndexes = isArr || isArg || isBuff || isType,
              result = skipIndexes ? baseTimes(value.length, String) : [],
              length = result.length;
    
          for (var key in value) {
            if ((inherited || hasOwnProperty.call(value, key)) &&
                !(skipIndexes && (
                   // Safari 9 has enumerable `arguments.length` in strict mode.
                   key == 'length' ||
                   // Node.js 0.10 has enumerable non-index properties on buffers.
                   (isBuff && (key == 'offset' || key == 'parent')) ||
                   // PhantomJS 2 has enumerable non-index properties on typed arrays.
                   (isType && (key == 'buffer' || key == 'byteLength' || key == 'byteOffset')) ||
                   // Skip index properties.
                   isIndex(key, length)
                ))) {
              result.push(key);
            }
          }
          return result;
        }
    
        /**
         * A specialized version of `_.sample` for arrays.