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

Performance measurement library for React and React Native

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.measureFunction = measureFunction;
var _config = require("./config");
var _measureHelpers = require("./measure-helpers");
var _output = require("./output");
async function measureFunction(fn, options) {
  const stats = await measureFunctionInternal(fn, options);
  if (options?.writeFile !== false) {
    await (0, _output.writeTestStats)(stats, 'function');
  }
  return stats;
}
async function measureFunctionInternal(fn, options) {
  const runs = options?.runs ?? _config.config.runs;
  const warmupRuns = options?.warmupRuns ?? _config.config.warmupRuns;
  const removeOutliers = options?.removeOutliers ?? _config.config.removeOutliers;
  (0, _output.showFlagsOutputIfNeeded)();
  const runResults = [];
  for (let i = 0; i < runs + warmupRuns; i += 1) {
    await options?.beforeEach?.();
    const timeStart = (0, _measureHelpers.getCurrentTime)();
    fn();
    const timeEnd = (0, _measureHelpers.getCurrentTime)();
    await options?.afterEach?.();
    const duration = timeEnd - timeStart;
    runResults.push({
      duration,
      count: 1
    });
  }
  return (0, _measureHelpers.processRunResults)(runResults, {
    warmupRuns,
    removeOutliers
  });
}
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