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- if (typeof process === 'object' && process.nextTick && !false) {
- exports = process.nextTick;
- } else if (typeof setImmediate === 'function') {
- exports = function(cb) {
- setImmediate(ensureCallable(cb));
- };
- } else {
- exports = function(cb) {
- setTimeout(ensureCallable(cb), 0);
- };
- }
- function ensureCallable(fn) {
- if (typeof fn !== 'function')
- throw new TypeError(fn + ' is not a function');
- return fn;
- }
- module.exports = exports;
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