web3-core-promievent

This is a sub package of web3.js

This is the PromiEvent package is used to return a EventEmitter mixed with a Promise to allow multiple final states as well as chaining. Please read the documentation for more.

Installation

Node.js

npm install web3-core-promievent

In the Browser

Build running the following in the web3.js repository:

npm run-script build-all

Then include dist/web3-core-promievent.js in your html file. This will expose the Web3PromiEvent object on the window object.

Usage

// in node.js
var Web3PromiEvent = require('web3-core-promievent');

var myFunc = function(){
    var promiEvent = Web3PromiEvent();
    
    setTimeout(function() {
        promiEvent.eventEmitter.emit('done', 'Hello!');
        promiEvent.resolve('Hello!');
    }, 10);
    
    return promiEvent.eventEmitter;
};


// and run it
myFunc()
.then(console.log);
.on('done', console.log);