Cleanup: Webutil code

File: webutil.js
Tests Added: False
Changes:
- Fixed JSHint Errors (global "use strict", spaces)
- added some newline characters when appropriate for readability
- moved variable declarations to the places they were actually used
  for readability
This commit is contained in:
Solly Ross 2014-05-21 15:12:20 -04:00
parent 38f7cb546e
commit 6d618b5a79
2 changed files with 66 additions and 48 deletions

View File

@ -7,8 +7,7 @@
* See README.md for usage and integration instructions.
*/
"use strict";
/*jslint bitwise: false, white: false */
/*jslint bitwise: false, white: false, browser: true, devel: true */
/*global Util, window, document */
// Globals defined here
@ -31,45 +30,47 @@ if (!window.$D) {
}
/*
/*
* ------------------------------------------------------
* Namespaced in WebUtil
* ------------------------------------------------------
*/
// init log level reading the logging HTTP param
WebUtil.init_logging = function(level) {
WebUtil.init_logging = function (level) {
"use strict";
if (typeof level !== "undefined") {
Util._log_level = level;
} else {
Util._log_level = (document.location.href.match(
/logging=([A-Za-z0-9\._\-]*)/) ||
['', Util._log_level])[1];
var param = document.location.href.match(/logging=([A-Za-z0-9\._\-]*)/);
Util._log_level = (param || ['', Util._log_level])[1];
}
Util.init_logging();
};
WebUtil.dirObj = function (obj, depth, parent) {
var i, msg = "", val = "";
if (! depth) { depth=2; }
if (! parent) { parent= ""; }
"use strict";
if (! depth) { depth = 2; }
if (! parent) { parent = ""; }
// Print the properties of the passed-in object
for (i in obj) {
if ((depth > 1) && (typeof obj[i] === "object")) {
// Print the properties of the passed-in object
var msg = "";
for (var i in obj) {
if ((depth > 1) && (typeof obj[i] === "object")) {
// Recurse attributes that are objects
msg += WebUtil.dirObj(obj[i], depth-1, parent + "." + i);
msg += WebUtil.dirObj(obj[i], depth - 1, parent + "." + i);
} else {
//val = new String(obj[i]).replace("\n", " ");
var val = "";
if (typeof(obj[i]) === "undefined") {
val = "undefined";
} else {
val = obj[i].toString().replace("\n", " ");
}
if (val.length > 30) {
val = val.substr(0,30) + "...";
}
val = val.substr(0, 30) + "...";
}
msg += parent + "." + i + ": " + val + "\n";
}
}
@ -77,7 +78,8 @@ WebUtil.dirObj = function (obj, depth, parent) {
};
// Read a query string variable
WebUtil.getQueryVar = function(name, defVal) {
WebUtil.getQueryVar = function (name, defVal) {
"use strict";
var re = new RegExp('.*[?&]' + name + '=([^&#]*)'),
match = document.location.href.match(re);
if (typeof defVal === 'undefined') { defVal = null; }
@ -94,42 +96,50 @@ WebUtil.getQueryVar = function(name, defVal) {
*/
// No days means only for this browser session
WebUtil.createCookie = function(name,value,days) {
var date, expires, secure;
WebUtil.createCookie = function (name, value, days) {
"use strict";
var date, expires;
if (days) {
date = new Date();
date.setTime(date.getTime()+(days*24*60*60*1000));
expires = "; expires="+date.toGMTString();
date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
expires = "; expires=" + date.toGMTString();
} else {
expires = "";
}
var secure;
if (document.location.protocol === "https:") {
secure = "; secure";
} else {
secure = "";
}
document.cookie = name+"="+value+expires+"; path=/"+secure;
document.cookie = name + "=" + value + expires + "; path=/" + secure;
};
WebUtil.readCookie = function(name, defaultValue) {
var i, c, nameEQ = name + "=", ca = document.cookie.split(';');
for(i=0; i < ca.length; i += 1) {
c = ca[i];
while (c.charAt(0) === ' ') { c = c.substring(1,c.length); }
if (c.indexOf(nameEQ) === 0) { return c.substring(nameEQ.length,c.length); }
WebUtil.readCookie = function (name, defaultValue) {
"use strict";
var nameEQ = name + "=",
ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i += 1) {
var c = ca[i];
while (c.charAt(0) === ' ') { c = c.substring(1, c.length); }
if (c.indexOf(nameEQ) === 0) { return c.substring(nameEQ.length, c.length); }
}
return (typeof defaultValue !== 'undefined') ? defaultValue : null;
};
WebUtil.eraseCookie = function(name) {
WebUtil.createCookie(name,"",-1);
WebUtil.eraseCookie = function (name) {
"use strict";
WebUtil.createCookie(name, "", -1);
};
/*
* Setting handling.
*/
WebUtil.initSettings = function(callback) {
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) {
@ -148,7 +158,8 @@ WebUtil.initSettings = function(callback) {
};
// No days means only for this browser session
WebUtil.writeSetting = function(name, value) {
WebUtil.writeSetting = function (name, value) {
"use strict";
if (window.chrome && window.chrome.storage) {
//console.log("writeSetting:", name, value);
if (WebUtil.settings[name] !== value) {
@ -160,7 +171,8 @@ WebUtil.writeSetting = function(name, value) {
}
};
WebUtil.readSetting = function(name, defaultValue) {
WebUtil.readSetting = function (name, defaultValue) {
"use strict";
var value;
if (window.chrome && window.chrome.storage) {
value = WebUtil.settings[name];
@ -177,7 +189,8 @@ WebUtil.readSetting = function(name, defaultValue) {
}
};
WebUtil.eraseSetting = function(name) {
WebUtil.eraseSetting = function (name) {
"use strict";
if (window.chrome && window.chrome.storage) {
window.chrome.storage.sync.remove(name);
delete WebUtil.settings[name];
@ -189,9 +202,12 @@ WebUtil.eraseSetting = function(name) {
/*
* Alternate stylesheet selection
*/
WebUtil.getStylesheets = function() { var i, links, sheets = [];
links = document.getElementsByTagName("link");
for (i = 0; i < links.length; i += 1) {
WebUtil.getStylesheets = function () {
"use strict";
var links = document.getElementsByTagName("link");
var sheets = [];
for (var i = 0; i < links.length; i += 1) {
if (links[i].title &&
links[i].rel.toUpperCase().indexOf("STYLESHEET") > -1) {
sheets.push(links[i]);
@ -202,14 +218,16 @@ WebUtil.getStylesheets = function() { var i, links, sheets = [];
// No sheet means try and use value from cookie, null sheet used to
// clear all alternates.
WebUtil.selectStylesheet = function(sheet) {
var i, link, sheets = WebUtil.getStylesheets();
WebUtil.selectStylesheet = function (sheet) {
"use strict";
if (typeof sheet === 'undefined') {
sheet = 'default';
}
for (i=0; i < sheets.length; i += 1) {
link = sheets[i];
if (link.title === sheet) {
var sheets = WebUtil.getStylesheets();
for (var i = 0; i < sheets.length; i += 1) {
var link = sheets[i];
if (link.title === sheet) {
Util.Debug("Using stylesheet " + sheet);
link.disabled = false;
} else {

View File

@ -24,13 +24,13 @@ describe('Utils', function() {
describe('push16', function () {
it('should push two bytes on to the array', function () {
var arr = [1];
var arr = [1];
arr.push16(0xABCD);
expect(arr).to.deep.equal([1, 0xAB, 0xCD]);
});
it('should only use the two least significant bytes of any number passed in', function () {
var arr = [1];
var arr = [1];
arr.push16(0xABCDEF);
expect(arr).to.deep.equal([1, 0xCD, 0xEF]);
});
@ -38,19 +38,19 @@ describe('Utils', function() {
describe('push32', function () {
it('should push four bytes on to the array', function () {
var arr = [1];
var arr = [1];
arr.push32(0xABCDEF12);
expect(arr).to.deep.equal([1, 0xAB, 0xCD, 0xEF, 0x12]);
});
it('should only use the four least significant bytes of any number passed in', function () {
var arr = [1];
var arr = [1];
arr.push32(0xABCDEF1234);
expect(arr).to.deep.equal([1, 0xCD, 0xEF, 0x12, 0x34]);
});
});
});
describe('logging functions', function () {
beforeEach(function () {
sinon.spy(console, 'log');
@ -98,7 +98,7 @@ describe('Utils', function() {
// TODO(directxman12): test decodeUTF8
// TODO(directxman12): test the event methods (addEvent, removeEvent, stopEvent)
// TODO(directxman12): figure out a good way to test getPosition and getEventPosition
// TODO(directxman12): figure out how to test the browser detection functions properly
// TODO(directxman12): figure out how to test the browser detection functions properly
// (we can't really test them against the browsers, except for Gecko
// via PhantomJS, the default test driver)
// TODO(directxman12): figure out how to test Util.Flash