main
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Last change
on this file since d565449 was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
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Update repo after prototype presentation
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100644
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File size:
599 bytes
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| [d565449] | 1 | var defer = require('./defer.js');
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| 2 |
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| 3 | // API
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| 4 | module.exports = async;
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| 5 |
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| 6 | /**
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| 7 | * Runs provided callback asynchronously
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| 8 | * even if callback itself is not
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| 9 | *
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| 10 | * @param {function} callback - callback to invoke
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| 11 | * @returns {function} - augmented callback
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| 12 | */
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| 13 | function async(callback)
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| 14 | {
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| 15 | var isAsync = false;
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| 16 |
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| 17 | // check if async happened
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| 18 | defer(function() { isAsync = true; });
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| 19 |
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| 20 | return function async_callback(err, result)
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| 21 | {
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| 22 | if (isAsync)
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| 23 | {
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| 24 | callback(err, result);
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| 25 | }
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| 26 | else
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| 27 | {
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| 28 | defer(function nextTick_callback()
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| 29 | {
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| 30 | callback(err, result);
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| 31 | });
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| 32 | }
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| 33 | };
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| 34 | }
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