bus-graph

    0.0.5 • Public • Published

    Simple event bus with powerfull debugging tools

    Installation

    npm i --save bus-graph

    Example

    const Bus = require('bus-graph');
     
    // callback functions for events
    function callbackFirst(data){
        console.log(data);
    }
     
    function callbackSecond(data){
        console.log("++", data);
    }
     
    // simple example
    Bus.on("FirstEvent", callbackFirst)
     
    Bus.emit({
        event: "FirstEvent", 
        data: [1,2,3,4]
    })
     
     
    // example with suscription and emittion in nested functions
    function higher(){
        function inner(){
            Bus.on("SecondEvent", callbackSecond);  
        }
        inner();
    }
    higher();
     
    function higherEmitter(){
        function innerEmitter(){
            Bus.emit({
                event: "SecondEvent", 
                data: [1,2,3,4, 5,6]
            });
        }
        innerEmitter();
    }
     
    higherEmitter();
     
    let meta = Bus.getMeta();
     
    console.log(meta);

    Result

    [ 1, 2, 3, 4 ]
    ++ [ 1, 2, 3, 4, 5, 6 ]
    { FirstEvent:
       [ { from: undefined,
           link: '(/path_to_caller_file/index.js:13:5)',
           event: 'FirstEvent',
           callback: 'callbackFirst',
           data: undefined },
         { from: undefined,
           link: '(/path_to_caller_file/index.js:15:5)',
           event: 'FirstEvent',
           callback: undefined,
           data: [Array] } ],
      SecondEvent:
       [ { from: 'inner',
           link: '(/path_to_caller_file/index.js:24:13)',
           event: 'SecondEvent',
           callback: 'callbackSecond',
           data: undefined },
         { from: 'innerEmitter',
           link: '(/path_to_caller_file/index.js:32:13)',
           event: 'SecondEvent',
           callback: undefined,
           data: [Array] } ] }
    

    Turn off debug

    const Bus = require('bus-graph');
     
    Bus.setDebug(false); // turn's off debug
     
    // turn on debug
    Bus.setDebug(true);
    Bus.setDebug();

    Install

    npm i bus-graph

    DownloadsWeekly Downloads

    10

    Version

    0.0.5

    License

    MIT

    Unpacked Size

    7.56 kB

    Total Files

    5

    Last publish

    Collaborators

    • nikita.rub