Merge pull request #356 from mathjax/355

Fix fontURL issues

Author: pkra

lib/main.js

@@ -38,7 +38,7 @@ var displayMessages = false;      // don't log Message.Set() calls
 var displayErrors = true;         // show error messages on the console
 var undefinedChar = false;        // unknown characters are not saved in the error array
 var extensions = '';              // no additional extensions used
-var fontURL = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/fonts/HTML-CSS';  // location of web fonts for CHTML
+var fontURL = '';  // location of web fonts for CHTML
 
 var defaults = {
   ex: 6,                          // ex-size in pixels
@@ -339,7 +339,10 @@ function ConfigureMathJax() {
         delete STYLES[".mjx-chartest .mjx-box"];
         delete STYLES[".mjx-test"];
         delete STYLES[".mjx-ex-boxtest"];
-
+        //  fontURL to current MathJax version
+        if (!fontURL){
+          fontURL = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/' + MathJax.version + '/fonts/HTML-CSS';
+        }
         CHTML.Augment({
           webfontDir: fontURL,
           //

package-lock.json

@@ -1,5 +1,6 @@
 var tape = require('tape');
 var mjAPI = require("../lib/main.js");
+var mjVersion = require('../package-lock.json').dependencies['mathjax'].version
 
 tape('basic configuration: check fontURL', function (t) {
     t.plan(2);
@@ -10,12 +11,12 @@ tape('basic configuration: check fontURL', function (t) {
         format: "TeX",
         css: true
     }, function (result, data) {
-        t.ok(result.css.indexOf('https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.0/fonts/HTML-CSS') > -1, 'Default fontURL');
+        t.ok(result.css.indexOf('https://cdnjs.cloudflare.com/ajax/libs/mathjax/' + mjVersion + '/fonts/HTML-CSS') > -1, 'Default fontURL');
     });
     // reconfigure
     mjAPI.typeset({
         math: ''
-    }, function(){
+    }, function () {
         mjAPI.config({
             fontURL: 'https://example.com'
         });
@@ -28,4 +29,4 @@ tape('basic configuration: check fontURL', function (t) {
     }, function (result, data) {
         t.ok(result.css.indexOf('https://example.com') > -1, 'Configuring fontURL');
     });
-});
+});