kibana-riya/src/core_plugins/timelion/server/series_functions/first.js

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch. Kibana is a snap to setup and start using. Kibana strives to be easy to get started with, while also being flexible and powerful, just like Elastic

'use strict';

var alter = require('../lib/alter.js');
var Chainable = require('../lib/classes/chainable');
module.exports = new Chainable('first', {
  args: [{
    name: 'inputSeries',
    types: ['seriesList']
  }],
  help: 'This is an internal function that simply returns the input seriesList. Don\'t use this',
  fn: function firstFn(args) {
    return alter(args, function (eachSeries) {
      return eachSeries;
    });
  }
});