map.js
582 Bytes
var _cb = require('./_cb.js');
var _isArrayLike = require('./_isArrayLike.js');
var keys = require('./keys.js');
// Return the results of applying the iteratee to each element.
function map(obj, iteratee, context) {
iteratee = _cb(iteratee, context);
var _keys = !_isArrayLike(obj) && keys(obj),
length = (_keys || obj).length,
results = Array(length);
for (var index = 0; index < length; index++) {
var currentKey = _keys ? _keys[index] : index;
results[index] = iteratee(obj[currentKey], currentKey, obj);
}
return results;
}
module.exports = map;