underscore/cjs/indexBy.js

JavaScript's functional programming helper library.

var _group = require('./_group.js');

// Indexes the object's values by a criterion, similar to `_.groupBy`, but for
// when you know that your index values will be unique.
var indexBy = _group(function(result, value, key) {
  result[key] = value;
});

module.exports = indexBy;