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web3-core-promievent

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web3-core-promievent

This package extends the EventEmitter with the Promise class to allow chaining as well as multiple final states of a function.


Version published
Maintainers
2
Weekly downloads
398,772
decreased by-9.38%

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web3-core-promievent

NPM Package Dependency Status Dev Dependency Status

This is a sub-package of web3.js.

This is the PromiEvent package 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

Usage

const Web3PromiEvent = require('web3-core-promievent');

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

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

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Last updated on 18 Jul 2020

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