Method start

lib/generic-bar.js:104–132

(total, startValue, payload)

    // start the progress bar
    start(total, startValue, payload){
        // set initial values
        this.value = startValue || 0;
        this.total = (typeof total !== 'undefined' && total >= 0) ? total : 100;

        // set start value for progress calculation
        this.startValue = (startValue || 0);

        // store payload (optional)
        this.payload = payload || {};

        // store start time for duration+eta calculation
        this.startTime = Date.now();

        // reset stop time for 're-start' scenario (used for duration calculation)
        this.stopTime = null;

        // reset string line buffer (redraw detection)
        this.lastDrawnString = '';

        // initialize eta buffer
        this.eta = new _ETA(this.options.etaBufferLength, this.startTime, this.value);

        // set flag
        this.isActive = true;

        // start event
        this.emit('start', total, startValue);
    }

    // stop the bar
    stop(){