Convenience function for performing a groupBy on a list then a sortBy on the resulting groups using Underscore methods.
sortedGroupBy(list, groupByIterator, sortByIterator)
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sortedGroupBy using Underscore
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| sortedGroupBy = (list, groupByIter, sortByIter) -> | |
| # Pass in an array to group by multiple object keys | |
| if _.isArray(groupByIter) | |
| groupBy = (obj) -> | |
| _.map groupByIter, (key, value) -> obj[key] | |
| else | |
| groupBy = groupByIter | |
| # Pass in an array to sort by multiple object keys | |
| if _.isArray(sortByIter) | |
| sortBy = (obj) -> | |
| _.map sortByIter, (key, value) -> obj[key] | |
| else | |
| sortBy = sortByIter | |
| groups = _.groupBy(list, groupBy) | |
| _.each groups, (value, key, list) -> | |
| list[key] = _.sortBy(value, sortBy) | |
| return groups |
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| function sortedGroupBy(list, groupByIter, sortByIter) { | |
| if (_.isArray(groupByIter)) { | |
| function groupBy(obj) { | |
| return _.map(groupByIter, function(key, value) { | |
| return obj[key]; | |
| }); | |
| } | |
| } else { | |
| var groupBy = groupByIter; | |
| } | |
| if (_.isArray(sortByIter)) { | |
| function sortBy(obj) { | |
| return _.map(sortByIter, function(key, value) { | |
| return obj[key]; | |
| }); | |
| } | |
| } else { | |
| var sortBy = sortByIter; | |
| } | |
| var groups = _.groupBy(list, groupBy); | |
| _.each(groups, function(value, key, list) { | |
| list[key] = _.sortBy(value, sortBy); | |
| }); | |
| return groups; | |
| } |
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