Fix #36: add mathjax plugin as default

lib/generate/plugin.js

@@ -2,6 +2,7 @@ var _ = require("lodash");
 var Q = require("q");
 var semver = require("semver");
 var path = require("path");
+var url = require("url");
 var fs = require("./fs");
 
 var pkg = require("../../package.json");
@@ -42,9 +43,9 @@ Plugin.prototype.getResources = function(resource) {
     }
     return _.chain(this.infos.book[resource])
     .map(function(resource) {
-        return {
-            "path": this.name+"/"+resource
-        }
+        var parsed = url.parse(resource);
+        if (parsed.protocol) return {"url": resource}
+        else return { "path": this.name+"/"+resource };
     }.bind(this))
     .value();
 };
@@ -172,7 +173,8 @@ Plugin.fromList = function(names) {
 
 // Default plugins
 Plugin.defaults = [
-    "mixpanel"
+    "mixpanel",
+    "mathjax"
 ];
 
 module.exports = Plugin;

package.json

@@ -20,7 +20,8 @@
         "semver": "2.2.1",
 
         "gitbook-plugin": "0.0.1",
-        "gitbook-plugin-mixpanel": "0.0.1"
+        "gitbook-plugin-mixpanel": "0.0.1",
+        "gitbook-plugin-mathjax": "0.0.1"
     },
     "devDependencies": {
         "mocha": "1.18.2",

theme/templates/site.html

@@ -39,13 +39,21 @@
 {% block javascript %}
 {% parent %}
 {% for resource in plugins.resources.js %}
-<script src="{{ staticBase }}/plugins/{{ resource.path }}"></script>
+    {% if resource.url %}
+    <script src="{{ resource.url }}"></script>
+    {% else %}
+    <script src="{{ staticBase }}/plugins/{{ resource.path }}"></script>
+    {% endif %}
 {% endfor %}
 {% endblock %}
 
 {% block style %}
 {% parent %}
 {% for resource in plugins.resources.css %}
-<link rel="stylesheet" href="{{ staticBase }}/plugins/{{ resource.path }}">
+    {% if resource.url %}
+    <link rel="stylesheet" href="{{ resource.url }}">
+    {% else %}
+    <link rel="stylesheet" href="{{ staticBase }}/plugins/{{ resource.path }}">
+    {% endif %}
 {% endfor %}
 {% endblock %}