Enable passing attributes to scripts and links (#937)

docs/api-site-config.md

@@ -157,7 +157,7 @@ h1 {
 
 * `separate` - The secondary navigation is a separate pane defaulting on the right side of a document. See http://docusaurus.io/docs/en/translation.html for an example.
 
-`scripts` - Array of JavaScript sources to load. The script tag will be inserted in the HTML head.
+`scripts` - Array of JavaScript sources to load. The values can be either strings or plain objects of attribute-value maps. Refer to the example below. The script tag will be inserted in the HTML head.
 
 `separateCss` - Directories inside which any `css` files will not be processed and concatenated to Docusaurus' styles. This is to support static `html` pages that may be separate from Docusaurus with completely separate styles.
 
@@ -165,7 +165,7 @@ h1 {
 
 `scrollToTopOptions` - Optional options configuration for the scroll to top button. You do not need to use this, even if you set `scrollToTop` to `true`; it just provides you more configuration control of the button. You can find more options [here](https://github.com/vfeskov/vanilla-back-to-top/blob/v7.1.14/OPTIONS.md). By default, we set the zIndex option to 100.
 
-`stylesheets` - Array of CSS sources to load. The link tag will be inserted in the HTML head.
+`stylesheets` - Array of CSS sources to load. The values can be either strings or plain objects of attribute-value maps. The link tag will be inserted in the HTML head.
 
 `translationRecruitingLink` - URL for the `Help Translate` tab of language selection when languages besides English are enabled. This can be included you are using translations but does not have to be.
 
@@ -251,8 +251,20 @@ const siteConfig = {
       };
     },
   ],
-  scripts: ['https://docusaurus.io/slash.js'],
-  stylesheets: ['https://docusaurus.io/style.css'],
+  scripts: [
+    'https://docusaurus.io/slash.js',
+    {
+      src: 'https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.0/clipboard.min.js',
+      async: true
+    }
+  ],
+  stylesheets: [
+    'https://docusaurus.io/style.css',
+    {
+      href: 'http://css.link',
+      type: "text/css"
+    }
+  ],
   facebookAppId: '1615782811974223',
   facebookComments: true,
   facebookPixelId: '352490515235776',

lib/core/Head.js

@@ -137,13 +137,23 @@ class Head extends React.Component {
 
         {/* External resources */}
         {this.props.config.stylesheets &&
-          this.props.config.stylesheets.map(source => (
-            <link rel="stylesheet" key={source} href={source} />
-          ))}
+          this.props.config.stylesheets.map(
+            source =>
+              source.href ? (
+                <link rel="stylesheet" key={source.href} {...source} />
+              ) : (
+                <link rel="stylesheet" key={source} href={source} />
+              )
+          )}
         {this.props.config.scripts &&
-          this.props.config.scripts.map(source => (
-            <script type="text/javascript" key={source} src={source} />
-          ))}
+          this.props.config.scripts.map(
+            source =>
+              source.src ? (
+                <script type="text/javascript" key={source.src} {...source} />
+              ) : (
+                <script type="text/javascript" src={source} key={source} />
+              )
+          )}
 
         {this.props.config.scrollToTop && (
           <script src="https://unpkg.com/vanilla-back-to-top@7.1.14/dist/vanilla-back-to-top.min.js" />