module.exports = function from(source /* , mapFn, thisArg */) {
var length = arguments.length;
var mapFn = length > 1 ? arguments[1] : undefined;
- var mapping, A, n, boundFunction;
+ var mapping, array, n, boundFunction;
aFunction(this);
mapping = mapFn !== undefined;
if (mapping) aFunction(mapFn);
if (source == undefined) return new this();
- A = [];
+ array = [];
if (mapping) {
n = 0;
boundFunction = bind(mapFn, length > 2 ? arguments[2] : undefined, 2);
iterate(source, function (nextItem) {
- A.push(boundFunction(nextItem, n++));
+ array.push(boundFunction(nextItem, n++));
});
} else {
- iterate(source, A.push, A);
+ iterate(source, array.push, { that: array });
}
- return new this(A);
+ return new this(array);
};