diff options
Diffstat (limited to 'node_modules/core-js/library/modules/_array-methods.js')
| -rw-r--r-- | node_modules/core-js/library/modules/_array-methods.js | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/node_modules/core-js/library/modules/_array-methods.js b/node_modules/core-js/library/modules/_array-methods.js new file mode 100644 index 000000000..8ffbe1164 --- /dev/null +++ b/node_modules/core-js/library/modules/_array-methods.js @@ -0,0 +1,44 @@ +// 0 -> Array#forEach +// 1 -> Array#map +// 2 -> Array#filter +// 3 -> Array#some +// 4 -> Array#every +// 5 -> Array#find +// 6 -> Array#findIndex +var ctx = require('./_ctx') + , IObject = require('./_iobject') + , toObject = require('./_to-object') + , toLength = require('./_to-length') + , asc = require('./_array-species-create'); +module.exports = function(TYPE, $create){ + var IS_MAP = TYPE == 1 + , IS_FILTER = TYPE == 2 + , IS_SOME = TYPE == 3 + , IS_EVERY = TYPE == 4 + , IS_FIND_INDEX = TYPE == 6 + , NO_HOLES = TYPE == 5 || IS_FIND_INDEX + , create = $create || asc; + return function($this, callbackfn, that){ + var O = toObject($this) + , self = IObject(O) + , f = ctx(callbackfn, that, 3) + , length = toLength(self.length) + , index = 0 + , result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined + , val, res; + for(;length > index; index++)if(NO_HOLES || index in self){ + val = self[index]; + res = f(val, index, O); + if(TYPE){ + if(IS_MAP)result[index] = res; // map + else if(res)switch(TYPE){ + case 3: return true; // some + case 5: return val; // find + case 6: return index; // findIndex + case 2: result.push(val); // filter + } else if(IS_EVERY)return false; // every + } + } + return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result; + }; +};
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