7fife-backend/node_modules/underscore/amd/_group.js

19 lines
483 B
JavaScript

define(['./_cb', './each'], function (_cb, each) {
// An internal function used for aggregate "group by" operations.
function group(behavior, partition) {
return function(obj, iteratee, context) {
var result = partition ? [[], []] : {};
iteratee = _cb(iteratee, context);
each(obj, function(value, index) {
var key = iteratee(value, index, obj);
behavior(result, value, key);
});
return result;
};
}
return group;
});