Sha256: 010a21a56586c31f58725ed4592bbbd2d575139918ef45af8c45ecafb687a3c3
Contents?: true
Size: 1.53 KB
Versions: 320
Compression:
Stored size: 1.53 KB
Contents
// 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;
};
};
Version data entries
320 entries across 8 versions & 3 rubygems