setImmediate.js 975 B

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  1. 'use strict';
  2. Object.defineProperty(exports, "__esModule", {
  3. value: true
  4. });
  5. exports.hasNextTick = exports.hasSetImmediate = undefined;
  6. exports.fallback = fallback;
  7. exports.wrap = wrap;
  8. var _rest = require('./rest');
  9. var _rest2 = _interopRequireDefault(_rest);
  10. function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  11. var hasSetImmediate = exports.hasSetImmediate = typeof setImmediate === 'function' && setImmediate;
  12. var hasNextTick = exports.hasNextTick = typeof process === 'object' && typeof process.nextTick === 'function';
  13. function fallback(fn) {
  14. setTimeout(fn, 0);
  15. }
  16. function wrap(defer) {
  17. return (0, _rest2.default)(function (fn, args) {
  18. defer(function () {
  19. fn.apply(null, args);
  20. });
  21. });
  22. }
  23. var _defer;
  24. if (hasSetImmediate) {
  25. _defer = setImmediate;
  26. } else if (hasNextTick) {
  27. _defer = process.nextTick;
  28. } else {
  29. _defer = fallback;
  30. }
  31. exports.default = wrap(_defer);