@callstack/reassure-measure/lib/commonjs/measure-helpers.js

Performance measurement library for React and React Native

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.getCurrentTime = getCurrentTime;
exports.processRunResults = processRunResults;
var _perf_hooks = require("perf_hooks");
var math = _interopRequireWildcard(require("mathjs"));
var _outlierHelpers = require("./outlier-helpers");
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
function processRunResults(inputResults, options) {
  const warmupResults = inputResults.slice(0, options.warmupRuns);
  const runResults = inputResults.slice(options.warmupRuns);
  const {
    results,
    outliers
  } = options.removeOutliers ? (0, _outlierHelpers.findOutliers)(runResults) : {
    results: runResults
  };
  const durations = results.map(result => result.duration);
  const meanDuration = math.mean(...durations);
  const stdevDuration = math.std(...durations);
  const warmupDurations = warmupResults.map(result => result.duration);
  const outlierDurations = outliers?.map(result => result.duration);
  const counts = runResults.map(result => result.count);
  const meanCount = math.mean(...counts);
  const stdevCount = math.std(...counts);
  return {
    runs: runResults.length,
    meanDuration,
    stdevDuration,
    durations,
    warmupDurations,
    outlierDurations,
    meanCount,
    stdevCount,
    counts
  };
}
function getCurrentTime() {
  return _perf_hooks.performance.now();
}
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