Set strict JavaScript mode globally in each file

Makes sure we don't miss it anywhere.

app/ui.js

@@ -20,10 +20,11 @@
  * import WebUtil from "./webutil";
  */
 
+"use strict";
+
 var UI;
 
 (function () {
-    "use strict";
 
     // Fallback for all uncought errors
     window.addEventListener('error', function(event) {

app/webutil.js

@@ -14,6 +14,8 @@
  * import Util from "../core/util";
  */
 
+"use strict";
+
 // Globals defined here
 var WebUtil = {};
 
@@ -25,7 +27,6 @@ var WebUtil = {};
 
 // init log level reading the logging HTTP param
 WebUtil.init_logging = function (level) {
-    "use strict";
     if (typeof level !== "undefined") {
         Util._log_level = level;
     } else {
@@ -37,7 +38,6 @@ WebUtil.init_logging = function (level) {
 
 
 WebUtil.dirObj = function (obj, depth, parent) {
-    "use strict";
     if (! depth) { depth = 2; }
     if (! parent) { parent = ""; }
 
@@ -66,7 +66,6 @@ WebUtil.dirObj = function (obj, depth, parent) {
 
 // Read a query string variable
 WebUtil.getQueryVar = function (name, defVal) {
-    "use strict";
     var re = new RegExp('.*[?&]' + name + '=([^&#]*)'),
         match = document.location.href.match(re);
     if (typeof defVal === 'undefined') { defVal = null; }
@@ -79,7 +78,6 @@ WebUtil.getQueryVar = function (name, defVal) {
 
 // Read a hash fragment variable
 WebUtil.getHashVar = function (name, defVal) {
-    "use strict";
     var re = new RegExp('.*[&#]' + name + '=([^&]*)'),
         match = document.location.hash.match(re);
     if (typeof defVal === 'undefined') { defVal = null; }
@@ -93,7 +91,6 @@ WebUtil.getHashVar = function (name, defVal) {
 // Read a variable from the fragment or the query string
 // Fragment takes precedence
 WebUtil.getConfigVar = function (name, defVal) {
-    "use strict";
     var val = WebUtil.getHashVar(name);
     if (val === null) {
         val = WebUtil.getQueryVar(name, defVal);
@@ -107,7 +104,6 @@ WebUtil.getConfigVar = function (name, defVal) {
 
 // No days means only for this browser session
 WebUtil.createCookie = function (name, value, days) {
-    "use strict";
     var date, expires;
     if (days) {
         date = new Date();
@@ -127,7 +123,6 @@ WebUtil.createCookie = function (name, value, days) {
 };
 
 WebUtil.readCookie = function (name, defaultValue) {
-    "use strict";
     var nameEQ = name + "=",
         ca = document.cookie.split(';');
 
@@ -140,7 +135,6 @@ WebUtil.readCookie = function (name, defaultValue) {
 };
 
 WebUtil.eraseCookie = function (name) {
-    "use strict";
     WebUtil.createCookie(name, "", -1);
 };
 
@@ -149,7 +143,6 @@ WebUtil.eraseCookie = function (name) {
  */
 
 WebUtil.initSettings = function (callback /*, ...callbackArgs */) {
-    "use strict";
     var callbackArgs = Array.prototype.slice.call(arguments, 1);
     if (window.chrome && window.chrome.storage) {
         window.chrome.storage.sync.get(function (cfg) {
@@ -169,7 +162,6 @@ WebUtil.initSettings = function (callback /*, ...callbackArgs */) {
 
 // No days means only for this browser session
 WebUtil.writeSetting = function (name, value) {
-    "use strict";
     if (window.chrome && window.chrome.storage) {
         //console.log("writeSetting:", name, value);
         if (WebUtil.settings[name] !== value) {
@@ -182,7 +174,6 @@ WebUtil.writeSetting = function (name, value) {
 };
 
 WebUtil.readSetting = function (name, defaultValue) {
-    "use strict";
     var value;
     if (window.chrome && window.chrome.storage) {
         value = WebUtil.settings[name];
@@ -200,7 +191,6 @@ WebUtil.readSetting = function (name, defaultValue) {
 };
 
 WebUtil.eraseSetting = function (name) {
-    "use strict";
     if (window.chrome && window.chrome.storage) {
         window.chrome.storage.sync.remove(name);
         delete WebUtil.settings[name];
@@ -345,7 +335,6 @@ WebUtil.get_include_uri = function (root_dir) {
 WebUtil._loading_scripts = [];
 WebUtil._pending_scripts = [];
 WebUtil.load_scripts = function (files_by_dir) {
-    "use strict";
     var head = document.getElementsByTagName('head')[0], script,
         ls = WebUtil._loading_scripts, ps = WebUtil._pending_scripts;
 

core/base64.js

@@ -7,6 +7,8 @@
 /*jslint white: false */
 /*global console */
 
+"use strict";
+
 var Base64 = {
     /* Convert data (an array of integers) to a Base64 string. */
     toBase64Table : 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/='.split(''),

core/des.js

@@ -77,8 +77,9 @@
 
 /* jslint white: false */
 
+"use strict";
+
 /* [module] export default */ function DES(passwd) {
-    "use strict";
 
     // Tables, permutations, S-boxes, etc.
     // jshint -W013

core/display.js

@@ -15,6 +15,8 @@
  * import Base64 from "./base64";
  */
 
+"use strict";
+
 /* [module] export default */ function Display(defaults) {
     this._drawCtx = null;
     this._c_forceCanvas = false;
@@ -99,7 +101,6 @@
 };
 
 (function () {
-    "use strict";
 
     var SUPPORTS_IMAGEDATA_CONSTRUCTOR = false;
     try {

core/input/devices.js

@@ -13,10 +13,11 @@
  * import KeyboardUtil from "./util";
  */
 
+"use strict";
+
 /* [module] export */ var Keyboard;
 
 (function () {
-    "use strict";
 
     //
     // Keyboard event handler

core/input/keysym.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var KeyTable = {
     XK_VoidSymbol:                  0xffffff, /* Void symbol */
 

core/input/util.js

@@ -3,10 +3,11 @@
  * import keysyms from "./keysymdef";
  */
 
+"use strict";
+
 var KeyboardUtil = {};
 
 (function() {
-    "use strict";
 
     function substituteCodepoint(cp) {
         // Any Unicode code points which do not have corresponding keysym entries
@@ -289,8 +290,6 @@ var KeyboardUtil = {};
 })();
 
 KeyboardUtil.QEMUKeyEventDecoder = function(modifierState, next) {
-    "use strict";
-
     function sendAll(evts) {
         for (var i = 0; i < evts.length; ++i) {
             next(evts[i]);
@@ -359,7 +358,6 @@ KeyboardUtil.QEMUKeyEventDecoder = function(modifierState, next) {
 };
 
 KeyboardUtil.TrackQEMUKeyState = function(next) {
-    "use strict";
     var state = [];
 
     return function (evt) {
@@ -427,7 +425,6 @@ KeyboardUtil.TrackQEMUKeyState = function(next) {
 // - generates a "stall" event in cases where it might be necessary to wait and see if a keypress event follows a keydown
 // This information is collected into an object which is passed to the next() function. (one call per event)
 KeyboardUtil.KeyEventDecoder = function(modifierState, next) {
-    "use strict";
     function sendAll(evts) {
         for (var i = 0; i < evts.length; ++i) {
             next(evts[i]);
@@ -514,7 +511,6 @@ KeyboardUtil.KeyEventDecoder = function(modifierState, next) {
 // The only way we can distinguish these cases is to wait and see if a keypress event arrives
 // When we receive a "stall" event, wait a few ms before processing the next keydown. If a keypress has also arrived, merge the two
 KeyboardUtil.VerifyCharModifier = function(next) {
-    "use strict";
     var queue = [];
     var timer = null;
     function process() {
@@ -571,7 +567,6 @@ KeyboardUtil.VerifyCharModifier = function(next) {
 // key repeat events should be merged into a single entry.
 // Because we can't always identify which entry a keydown or keyup event corresponds to, we sometimes have to guess
 KeyboardUtil.TrackKeyState = function(next) {
-    "use strict";
     var state = [];
 
     return function (evt) {
@@ -655,7 +650,6 @@ KeyboardUtil.TrackKeyState = function(next) {
 // Handles "escaping" of modifiers: if a char modifier is used to produce a keysym (such as AltGr-2 to generate an @),
 // then the modifier must be "undone" before sending the @, and "redone" afterwards.
 KeyboardUtil.EscapeModifiers = function(next) {
-    "use strict";
     return function(evt) {
         if (evt.type !== 'keydown' || evt.escape === undefined) {
             next(evt);

core/input/xtscancodes.js

@@ -1,3 +1,5 @@
+"use strict";
+
 var XtScancode = {
     "Escape": 0x0001,
     "Digit1": 0x0002,

core/rfb.js

@@ -24,8 +24,9 @@
 /*jslint white: false, browser: true */
 /*global window, Util, Display, Keyboard, Mouse, Websock, Websock_native, Base64, DES, KeyTable, Inflator, XtScancode */
 
+"use strict";
+
 /* [module] export default */ function RFB(defaults) {
-    "use strict";
     if (!defaults) {
         defaults = {};
     }

core/util.js

@@ -9,6 +9,8 @@
 /* jshint white: false, nonstandard: true */
 /*global window, console, document, navigator, ActiveXObject, INCLUDE_URI */
 
+"use strict";
+
 var Util = {};
 
 /*
@@ -23,7 +25,6 @@ var Util = {};
 
 Util._log_level = 'warn';
 Util.init_logging = function (level) {
-    "use strict";
     if (typeof level === 'undefined') {
         level = Util._log_level;
     } else {
@@ -57,7 +58,6 @@ Util.get_logging = function () {
 Util.init_logging();
 
 Util.make_property = function (proto, name, mode, type) {
-    "use strict";
 
     var getter;
     if (type === 'arr') {
@@ -150,7 +150,6 @@ Util.make_property = function (proto, name, mode, type) {
 };
 
 Util.make_properties = function (constructor, arr) {
-    "use strict";
     for (var i = 0; i < arr.length; i++) {
         Util.make_property(constructor.prototype, arr[i][0], arr[i][1], arr[i][2]);
     }
@@ -184,7 +183,6 @@ Util.set_defaults = function (obj, conf, defaults) {
  * Decode from UTF-8
  */
 Util.decodeUTF8 = function (utf8string) {
-    "use strict";
     return decodeURIComponent(escape(utf8string));
 };
 
@@ -195,7 +193,6 @@ Util.decodeUTF8 = function (utf8string) {
  */
 
 Util.getPosition = function(obj) {
-    "use strict";
     // NB(sross): the Mozilla developer reference seems to indicate that
     // getBoundingClientRect includes border and padding, so the canvas
     // style should NOT include either.
@@ -213,7 +210,6 @@ Util.getPointerEvent = function (e) {
 
 // Get mouse event position in DOM element
 Util.getEventPosition = function (e, obj, scale) {
-    "use strict";
     var evt, docX, docY, pos;
     evt = Util.getPointerEvent(e);
     if (evt.pageX || evt.pageY) {
@@ -281,7 +277,6 @@ Util.browserSupportsCursorURIs = function () {
 Util.Features = {xpath: !!(document.evaluate), air: !!(window.runtime), query: !!(document.querySelector)};
 
 (function () {
-    "use strict";
     // 'presto': (function () { return (!window.opera) ? false : true; }()),
     var detectPresto = function () {
         return !!window.opera;
@@ -351,7 +346,6 @@ Util.Features = {xpath: !!(document.evaluate), air: !!(window.runtime), query: !
 })();
 
 Util.Flash = (function () {
-    "use strict";
     var v, version;
     try {
         v = navigator.plugins['Shockwave Flash'].description;

core/websock.js

@@ -22,8 +22,9 @@
 /*jslint browser: true, bitwise: true */
 /*global Util*/
 
+"use strict";
+
 /* [module] export default */ function Websock() {
-    "use strict";
 
     this._websocket = null;  // WebSocket object
 
@@ -51,7 +52,6 @@
 };
 
 (function () {
-    "use strict";
     // this has performance issues in some versions Chromium, and
     // doesn't gain a tremendous amount of performance increase in Firefox
     // at the moment.  It may be valuable to turn it on in the future.