index.js

'use strict';

var randu = require( '@stdlib/math/base/random/randu' );
var ceil = require( '@stdlib/math/base/special/ceil' );
var repeatString = require( '@stdlib/string/repeat' );
var ifthenAsync = require( './../lib' );

var i;

function next() {
	ifthenAsync( predicate, x, y, done );
}

function predicate( clbk ) {
	setTimeout( onTimeout, 0 );
	function onTimeout() {
		clbk( null, randu() > 0.9 );
	}
}

function x( clbk ) {
	setTimeout( onTimeout, 0 );
	function onTimeout() {
		clbk( null, repeatString( 'BOOP', ceil( randu()*3.0 ) ) );
	}
}

function y( clbk ) {
	setTimeout( onTimeout, 0 );
	function onTimeout() {
		clbk( null, repeatString( 'beep', ceil( randu()*5.0 ) ) );
	}
}

function done( error, result ) {
	if ( error ) {
		throw error;
	}
	i += 1;
	console.log( result );
	if ( i < 100 ) {
		next();
	}
}

i = 0;
next();