ZER0

/* Open a plain dialog */

const { getActiveTab, setTabURL } = require('sdk/tabs/utils');
const { open } = require('sdk/window/helpers');

const { data } = require('sdk/self');
const url = data.url('foo.html');

open("", {
  features: {

ZER0

// add `contentType` to page-mod:
// https://bugzilla.mozilla.org/show_bug.cgi?id=788224

// current API:


// all the http/https urls
PageMod({
  include: '*', // can take string
  contentScript: 'console.log("hello")'

ZER0

const { ActionButton } = require("sdk/ui/button/action");
const { browserWindows } =  require("sdk/windows");

let button = ActionButton({
    id: "reverse-tabs",
    label: "Reverse Tab Order",
    icon: {
      // The new APIs use "./" as shortcut for data folder, you don't need
      // to require `self` for that purpose.
      "16": "./16.png",

ZER0

const { window: { document } } = require('sdk/addon/window');
const { getTabContentWindow, getActiveTab } = require('sdk/tabs/utils');
const { getMostRecentBrowserWindow } = require('sdk/window/utils');

const canvas = document.createElementNS('http://www.w3.org/1999/xhtml', 'canvas');
document.documentElement.appendChild(canvas);

function captureActiveTab() {
  let contentWindow = getTabContentWindow(getActiveTab(getMostRecentBrowserWindow()));

ZER0

const { ToggleButton } = require('sdk/ui/button/toggle');

let globalToggle = ToggleButton({
  id: 'my-global-toggle',
  label: 'global function',
  icon: './foo.png',
  onChange: function() {
    // delete the window state for the current window,
    // automatically set when the user click on the button
    this.state('window', null);

ZER0

let word = "Mozilla";

// set the walker for non-empty text node 
let walker = document.createTreeWalker(
  document.body,
  NodeFilter.SHOW_TEXT,
  { acceptNode: (node) => node.nodeValue.trim().length && NodeFilter.FILTER_ACCEPT }
);
 
// collecting the nodes

ZER0

function timespan(start, end) {
  if (typeof end === "undefined") {
    end = start;
    start = Date.now();
  }

  if (start !== null && typeof start === "object" && start.getTime) {
    start = start.getTime();
  } 

ZER0

JPM [info] Starting jpm test on addon-sdk
Creating XPI
JPM [info] XPI created at /var/folders/tx/91xwh51562l5_4xcqjst9bvw0000gn/T/@addon-sdk-0.1.18.xpi (1173ms)
Created XPI at /var/folders/tx/91xwh51562l5_4xcqjst9bvw0000gn/T/@addon-sdk-0.1.18.xpi
JPM [info] Creating a new profile
Shumway is registered
Running tests on Firefox 42.0a1/Gecko 42.0a1 (Build 20150805030208) ({ec8030f7-c20a-464f-9b0e-13a3a9e97384}) under darwin/x86_64.
console.error: addon-sdk: 
JPM [error]   Message: TypeError: FakeCu is not a constructor
  Stack:

ZER0

function RulersHighlighter2(highlighterEnv) {
  CanvasHighlighter.call(this, highlighterEnv);
}

RulersHighlighter2.prototype = extend(CanvasHighlighter.prototype, {
  typeName: "RulersHighlighter",

  textStep: 100,
  graduationStep: 5,
  stepScale: 1,

ZER0

// main.js

PageMod({
  onAttach: function(worker) {
    worker.addEventListener("message", function(event){
      if (event.origin === "good.com") // page script
        event.source.postMessage(event.data + " addon!", "good.com");
      else if(event.origin === worker.origin) // content script
        event.source.postMessage("content script, hello!", worker.origin);
    });