.-.-.-.-.-

/*!
 * deasync
 * https://github.com/abbr/deasync
 *
 * Copyright 2014-present Abbr
 * Released under the MIT license
 */

var fs = require('fs'),
	path = require('path'),
	binding

// Seed random numbers [gh-82] if on Windows. See https://github.com/laverdet/node-fibers/issues/82
if (process.platform === 'win32') Math.random()

// Look for binary for this platform
var nodeV = 'node-' + /[0-9]+\.[0-9]+/.exec(process.versions.node)[0]
var nodeVM = 'node-' + /[0-9]+/.exec(process.versions.node)[0]
var modPath = path.join(__dirname, 'bin', process.platform + '-' + process.arch + '-' + nodeV, 'deasync')
try {
	try {
		fs.statSync(modPath + '.node')
	} catch (ex) {
		modPath = path.join(__dirname, 'bin', process.platform + '-' + process.arch + '-' + nodeVM, 'deasync')
		fs.statSync(modPath + '.node')
	}
	binding = require(modPath)
} catch (ex) {
	binding = require('bindings')('deasync')
}

function deasync(fn) {
	return function () {
		var done = false
		var args = Array.prototype.slice.apply(arguments).concat(cb)
		var err
		var res

fn.apply(this, args)
		module.exports.loopWhile(function () {
			return !done
		})
		if (err)
			throw err

return res

function cb(e, r) {
			err = e
			res = r
			done = true
		}
	}
}

module.exports = deasync

module.exports.sleep = deasync(function (timeout, done) {
	setTimeout(done, timeout)
})

module.exports.runLoopOnce = function () {
	process._tickCallback()
	binding.run()
}

module.exports.loopWhile = function (pred) {
	while (pred()) {
		process._tickCallback()
		if (pred()) binding.run()
	}
}

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