diff options
Diffstat (limited to 'tools/eslint/node_modules/lodash/_arrayLikeKeys.js')
-rw-r--r-- | tools/eslint/node_modules/lodash/_arrayLikeKeys.js | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/tools/eslint/node_modules/lodash/_arrayLikeKeys.js b/tools/eslint/node_modules/lodash/_arrayLikeKeys.js index 0cb3b18556..b2ec9ce786 100644 --- a/tools/eslint/node_modules/lodash/_arrayLikeKeys.js +++ b/tools/eslint/node_modules/lodash/_arrayLikeKeys.js @@ -1,7 +1,9 @@ var baseTimes = require('./_baseTimes'), isArguments = require('./isArguments'), isArray = require('./isArray'), - isIndex = require('./_isIndex'); + isBuffer = require('./isBuffer'), + isIndex = require('./_isIndex'), + isTypedArray = require('./isTypedArray'); /** Used for built-in method references. */ var objectProto = Object.prototype; @@ -18,18 +20,26 @@ var hasOwnProperty = objectProto.hasOwnProperty; * @returns {Array} Returns the array of property names. */ function arrayLikeKeys(value, inherited) { - // Safari 8.1 makes `arguments.callee` enumerable in strict mode. - // Safari 9 makes `arguments.length` enumerable in strict mode. - var result = (isArray(value) || isArguments(value)) - ? baseTimes(value.length, String) - : []; - - var length = result.length, - skipIndexes = !!length; + 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 && (key == 'length' || isIndex(key, length)))) { + !(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); } } |