docparse-supplier-nge/lib/parse/getUse.js

process ngrid electric utility bill data for use in the docparse system

var extract = require('regex-extract');
module.exports = function(text, cb) {
  var pattern = /Total Energy\s* (-?\s?[\d\.]+) kWh\s*$/m;
  extract(text, pattern, function (err, reply) {
    if (err) {
      return cb(err, null);
    }
    if (!reply) {
      reply = '0';
    }
    var output = {
      quantity: reply,
      units: 'kwh'
    };
    return cb(null, output);
  });
};