You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
22 lines
1.1 KiB
22 lines
1.1 KiB
4 years ago
|
'use strict';
|
||
|
|
|
||
|
|
var _slicedToArray = function () { function sliceIterator(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"]) _i["return"](); } finally { if (_d) throw _e; } } return _arr; } return function (arr, i) { if (Array.isArray(arr)) { return arr; } else if (Symbol.iterator in Object(arr)) { return sliceIterator(arr, i); } else { throw new TypeError("Invalid attempt to destructure non-iterable instance"); } }; }();
|
||
|
|
|
||
|
|
module.exports = function mapToDictionary(fn) {
|
||
|
|
var collection = {};
|
||
|
|
|
||
|
|
this.items.forEach(function (item, k) {
|
||
|
|
var _fn = fn(item, k),
|
||
|
|
_fn2 = _slicedToArray(_fn, 2),
|
||
|
|
key = _fn2[0],
|
||
|
|
value = _fn2[1];
|
||
|
|
|
||
|
|
if (collection[key] === undefined) {
|
||
|
|
collection[key] = [value];
|
||
|
|
} else {
|
||
|
|
collection[key].push(value);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
|
||
|
|
return new this.constructor(collection);
|
||
|
|
};
|