ascs

Hi, this is ascs

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ascs ==> as cs ==> AS CSharp.

A small library provides the C# liked async/await style to Node.js/io.js.

I'm maybe reinventing the wheel again. 😄

Just for fun and enjoy coding.

Use

Only 3 API in ascs:

• ascs.env Create a async environment to execute the process
• ascs.conv try to convert your callback style function to ASCSFunction (your callback must be the last argument)
• ascs.await a helper function. equal to: ascs.await(f(1,2)) => var t = f(1,2); t.await(); t.result

Easy Demo

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var myfun = function(tips, cb)  {
    console.log(tips, 'start');
    setTimeout(function () {
        console.log('Function is done');
        cb(1,2,3,4,5);
    }, 3000);
    console.log(tips, 'end');
}

ascs.env(function() {
    var i = 0;
    var myfun_async = ascs.conv(myfun);
    console.log('current is:', i++);        // 0
    var task = myfun_async('Hello world');
    console.log('current is:', i++);        // 1
    task.await();
    console.log('current is:', i++);        // 2
    console.log('The result is:', task.result);
    console.log('current is:', i++);        // 3
})();

run this code. the console will output these:

current is: 0
Hello world start
Hello world end
current is: 1
Function is done
current is: 2
The result is: { '0': 1, '1': 2, '2': 3, '3': 4, '4': 5 }
current is: 3

The process will be waiting the task until it has finished

Now, let's remove the task.await(). the output will become:

current is: 0
Hello world start
Hello world end
current is: 1
current is: 2
The result is: null
current is: 3
Function is done

The process in ascs.env will not be stopped. but myfun is also run asynchronously.

Roadmap

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1. Exception (0.2.5)
2. Debug (0.2.5)