formatTime.js 654 B

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  1. 'use strict';
  2. Object.defineProperty(exports, '__esModule', {
  3. value: true
  4. });
  5. exports.default = formatTime;
  6. /**
  7. * Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
  8. *
  9. * This source code is licensed under the MIT license found in the
  10. * LICENSE file in the root directory of this source tree.
  11. */
  12. function formatTime(time, prefixPower = -3, padLeftLength = 0) {
  13. const prefixes = ['n', 'μ', 'm', ''];
  14. const prefixIndex = Math.max(
  15. 0,
  16. Math.min(
  17. Math.trunc(prefixPower / 3) + prefixes.length - 1,
  18. prefixes.length - 1
  19. )
  20. );
  21. return `${String(time).padStart(padLeftLength)} ${prefixes[prefixIndex]}s`;
  22. }