/js/lib/Socket.IO-node/support/expresso/deps/jscoverage/doc/example-jsunit/jsunit/app/jsUnitVersionCheck.js
JavaScript | 59 lines | 50 code | 9 blank | 0 comment | 10 complexity | 2ab5c3ad4753f93edfd31638c9044acc MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.1, MPL-2.0-no-copyleft-exception, BSD-3-Clause
- var versionRequest;
-
- function isOutOfDate(newVersionNumber) {
- return JSUNIT_VERSION < newVersionNumber;
- }
-
- function sendRequestForLatestVersion(url) {
- versionRequest = createXmlHttpRequest();
- if (versionRequest) {
- versionRequest.onreadystatechange = requestStateChanged;
- versionRequest.open("GET", url, true);
- versionRequest.send(null);
- }
- }
-
- function createXmlHttpRequest() {
- if (window.XMLHttpRequest)
- return new XMLHttpRequest();
- else if (window.ActiveXObject)
- return new ActiveXObject("Microsoft.XMLHTTP");
- }
-
- function requestStateChanged() {
- if (versionRequest && versionRequest.readyState == 4) {
- if (versionRequest.status == 200) {
- var latestVersion = versionRequest.responseText;
- if (isOutOfDate(latestVersion))
- versionNotLatest(latestVersion);
- else
- versionLatest();
- } else
- versionCheckError();
- }
- }
-
- function checkForLatestVersion(url) {
- setLatestVersionDivHTML("Checking for newer version...");
- try {
- sendRequestForLatestVersion(url);
- } catch (e) {
- setLatestVersionDivHTML("An error occurred while checking for a newer version: " + e.message);
- }
- }
-
- function versionNotLatest(latestVersion) {
- setLatestVersionDivHTML('<font color="red">A newer version of JsUnit, version ' + latestVersion + ', is available.</font>');
- }
-
- function versionLatest() {
- setLatestVersionDivHTML("You are running the latest version of JsUnit.");
- }
-
- function setLatestVersionDivHTML(string) {
- document.getElementById("versionCheckDiv").innerHTML = string;
- }
-
- function versionCheckError() {
- setLatestVersionDivHTML("An error occurred while checking for a newer version.");
- }