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medfreeman/example.js

Forked from colingourlay/example.js
Created May 15, 2017 23:19
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Lodash / Underscore sort object keys. Like _.sortBy(), but on keys instead of values, returning an object, not an array. Defaults to alphanumeric sort.
Raw
sortKeysBy.js
_.mixin({
'sortKeysBy': function (obj, comparator) {
var keys = _.sortBy(_.keys(obj), function (key) {
return comparator(obj[key], key);
});
return _.object(keys, _.map(keys, function (key) {
return obj[key];
}));
}
});
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medfreeman commented Nov 16, 2017 •
edited
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_.mixin({
  sortByKeys: (obj, comparator) =>
     _(obj).toPairs()
    .sortBy(
      pair => comparator ? comparator(pair[1], pair[0]) : 0
    )
    .fromPairs()
})

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