suzanne.soy/scribble-mathjax
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Rename CDN-latest.js to latest.js, and make a copy in the main directory, not just the unpacked one.

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This commit is contained in:
Davide P. Cervone 2017-04-12 15:40:10 -04:00
parent d49394aca1
commit 4fd69bee0f
2 changed files with 136 additions and 3 deletions
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6
unpacked/CDN-latest.js → latest.js
View File

@ -81,7 +81,7 @@
function loadDefaultMathJax() {
var script = getScript();
if (script) {
loadMathJax(script.src.replace(/CDN-latest\.js/,"MathJax.js"));
loadMathJax(script.src.replace(/\/latest\.js/, "/MathJax.js"));
} else {
Error("Can't determine the URL for loading MathJax");
}
@ -118,8 +118,8 @@
var script = getScript();
var cdn = getCDN(script);
if (cdn) {
var config = script.src.replace(/.*?(\?|$)/,"$1");
var unpacked = (script.src.match(/\/unpacked\/CDN-latest\.js/) ? "/unpacked" : "");
var config = script.src.replace(/.*?(\?|$)/, "$1");
var unpacked = (script.src.match(/\/unpacked\/latest\.js/) ? "/unpacked" : "");
var version = getVersion();
if (version) {
loadMathJax(cdn.mathjax + version + unpacked + '/MathJax.js' + config);

133
unpacked/latest.js Normal file
View File

@ -0,0 +1,133 @@
(function () {
var CDN = {
'cdnjs.cloudflare.com': {
api: 'https://api.cdnjs.com/libraries/mathjax?fields=version',
version: 'version',
mathjax: 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/'
},
'cdn.rawgit.com': {
api: 'https://api.github.com/repos/mathjax/mathjax/releases/latest',
version: 'tag_name',
mathjax: 'https://cdn.rawgit.com/mathjax/MathJax/'
},
'cdn.jsdelivr.net': {
api: 'https://api.jsdelivr.com/v1/jsdelivr/libraries?name=mathjax&lastversion=*',
version: 'lastversion',
mathjax: 'https://cdn.jsdelivr.net/mathjax/'
}
};
function Error(message) {
if (console && console.log) console.log(message);
}
function getScript() {
if (document.currentScript) return document.currentScript;
var scripts = document.getElementsByTagName("script");
for (var i = 0, m = scripts.length; i < m; i++) {
var script = scripts[i];
for (var cdn in CDN) {if (CDN.hasOwnProperty(cdn)) {
var url = CDN[cdn].mathjax;
if (script.src && script.src.substr(0,url.length) === url) return script;
}}
}
}
function getCDN(script) {
if (!script) return;
var cdn = script.src.replace(/https:\/\//,'').replace(/[\/\?].*/,'');
return CDN[cdn];
}
var cookiePattern = /(?:^|;\s*)mjx\.latest=([^;]*)(?:;|$)/;
function getVersion() {
var match;
try {match = cookiePattern.exec(document.cookie)} catch (err) {}
if (match && match[1] !== '') return match[1];
}
function setVersion(version) {
cookie = 'mjx.latest=' + version;
var time = new Date();
time.setDate(time.getDate() + 7);
cookie += '; expires=' + time.toGMTString();
cookie += '; path=/';
try {document.cookie = cookie} catch (err) {}
}
function getXMLHttpRequest() {
if (window.XMLHttpRequest) return new XMLHttpRequest();
if (window.ActiveXObject) {
try {return new ActiveXObject("Msxml2.XMLHTTP")} catch (err) {}
try {return new ActiveXObject("Microsoft.XMLHTTP")} catch (err) {}
}
}
function loadMathJax(url) {
var script = document.createElement('script');
script.type = 'text/javascript';
script.async = true;
script.src = url;
var head = document.head || document.getElementsByTagName('head')[0] || document.body;
if (head) {
head.appendChild(script);
} else {
Error("Can't find the document <head> element");
}
}
function loadDefaultMathJax() {
var script = getScript();
if (script) {
loadMathJax(script.src.replace(/\/latest\.js/, "/MathJax.js"));
} else {
Error("Can't determine the URL for loading MathJax");
}
}
function getLatestMathJax(cdn,config,unpacked) {
var request = getXMLHttpRequest();
if (request) {
request.onreadystatechange = function() {
if (request.readyState === 4) {
if (request.status === 200) {
var json = JSON.parse(request.responseText);
if (json instanceof Array) json = json[0];
var version = json[cdn.version];
if (version.substr(0,1) === '2') {
setVersion(version);
loadMathJax(cdn.mathjax + json[cdn.version] + unpacked + '/MathJax.js' + config);
return;
}
} else {
Error("Problem aquiring MathJax version: status = " + request.status);
}
laodDefaultMathJax();
}
}
request.open('GET', cdn.api, true);
request.send(null);
} else {
Error("Can't create XMLHttpRequest object");
loadDefaultMathJax();
}
}
var script = getScript();
var cdn = getCDN(script);
if (cdn) {
var config = script.src.replace(/.*?(\?|$)/, "$1");
var unpacked = (script.src.match(/\/unpacked\/latest\.js/) ? "/unpacked" : "");
var version = getVersion();
if (version) {
loadMathJax(cdn.mathjax + version + unpacked + '/MathJax.js' + config);
} else {
getLatestMathJax(cdn, config, unpacked);
}
} else {
loadDefaultMathJax();
}
})();