Traceur Experiments: class constructor

device.js

// For context, See original: https://gist.github.com/2654256

class Device {

  constructor( opts ) {

    this.value = null;

    // open an async stream,
    // this will be called continuously
    // stream.read( opts.path, function( data ) {

    //   // Update this instance's current value
    //   // with the most recent value from the
    //   // data stream
    //   this.value = data;

    // }.bind(this) );

    // Throttle the frequency of events emitted from
    // this Device instance
    setInterval(function() {

      // Emit a throttled event
      this.emit("event");

    }.bind(this), opts.freq || 100 );
  }

  scale( low, high ) {
    return this.value * ( high - low ) / 1023 + low;
  }

  emit( event, data ) {
    console.log( event, data );
  }
}



// Output:

var Device = traceur.runtime.createClass("Device", null, null, null, undefined, {
  constructor: function(opts) {
    this.value = null;
    setInterval(function() {
      this.emit("event");
    }, opts.freq || 100);
  },
  scale: function(low, high) {
    return this.value *(high - low) / 1023 + low;
  },
  emit: function(event, data) {
    console.log(event, data);
  }
}, function $static() { }, null);