phantomas/reporters/json.js

Headless Chromium-based web performance metrics collector and monitoring tool

/**
 * Results formatter for -R json
 *
 * Options:
 *  pretty - pretty print the JSON
 */
"use strict";

module.exports = function (results, reporterOptions) {
  function formatSingleRunResults(results) {
    var res = {
      generator: results.getGenerator(),
      url: results.getUrl(),
      metrics: results.getMetrics(),
      offenders: results.getAllOffenders(),
      asserts: false,
    };

    // add asserts
    var asserts = results.getAsserts(),
      failedAsserts;

    if (Object.keys(asserts).length > 0) {
      failedAsserts = results.getFailedAsserts();

      res.asserts = {
        rules: asserts,
        failedCount: failedAsserts.length,
        failedAsserts: failedAsserts,
      };
    }

    return res;
  }

  // public API
  return {
    render: async function () {
      const res = formatSingleRunResults(results);

      // -R json:pretty
      if (reporterOptions.pretty === true) {
        return JSON.stringify(res, null, 2);
      } else {
        return JSON.stringify(res);
      }
    },
  };
};