nativescript-add-event-listener.js

var listener = new Listener("NativeScript Rocks!!11!");
trace.addEventListener(listener);

nativescript-clear-writers.js

trace.clearWriters();
trace.addWriter(new TimestampConsoleWriter());

nativescript-custom-event-listener.js

var Listener = (function () {
  function Listener(filter) {
    this.filter = filter;
  }
  Listener.prototype.on = function (object, name, data) {
    // validate parameters and do something for trace.notifyEvent()
  };
  return Listener;
})();

nativescript-custom-tracewriter.js

var TimestampConsoleWriter = (function () {
  function TimestampConsoleWriter() { }
  TimestampConsoleWriter.prototype.write = function (message, category, type) {
    if (!console) return;

    var msgType = types.isUndefined(type) ? trace.messageType.log : type;
    var traceMessage = new Date().toISOString() + " " + category + ": " + message;

    switch (msgType) {
      case trace.messageType.log:
        console.log(traceMessage);
        break;
      case trace.messageType.info:
        console.info(traceMessage);
        break;
      case trace.messageType.warn:
        console.warn(traceMessage);
        break;
      case trace.messageType.error:
        console.error(traceMessage);
        break;
    }
  };
  return TimestampConsoleWriter;
})();

nativescript-disable-tracing.js

trace.disable(); // tracing disabled -- party pooper!

nativescript-enable-tracing.js

var trace = require("trace");
trace.enable(); // tracing enabled -- let's party!

nativescript-simple-console-output.js

console.log("Hello, NativeScript!");

nativescript-trace-add-categories-and-concat.js

// add the binding category to the existing list of trace messages
trace.addCategories(trace.categories.Binding);

// filter out all trace messages except those that are animation and debug categories
trace.setCategories(trace.categories.concat(trace.categories.Animation, trace.categories.Debug));

nativescript-trace-notify-event.js

var data = { /* ... */ };
trace.notifyEvent(this, "NativeScript Rocks!!11!", data);

nativescript-trace-write-category.js

trace.write("I (heart) NativeScript!", trace.categories.Debug);

nativescript-trace-write-set-categories.js

trace.setCategories("Questions");
trace.write("NativeScript: Great technology or the greatest technology?", "Questions");