added headAttrs

src/client/updateClientMetaInfo.js

@@ -26,8 +26,13 @@ export default function _updateClientMetaInfo (options = {}) {
             break
           // update attributes
           case 'htmlAttrs':
+            updateTagAttributes(options)(newInfo[key], htmlTag)
+            break
           case 'bodyAttrs':
-            updateTagAttributes(options)(newInfo[key], key === 'htmlAttrs' ? htmlTag : document.getElementsByTagName('body')[0])
+            updateTagAttributes(options)(newInfo[key], document.getElementsByTagName('body')[0])
+            break
+          case 'headAttrs':
+            updateTagAttributes(options)(newInfo[key], document.getElementsByTagName('head')[0])
             break
           // ignore these
           case 'titleChunk':

src/server/generateServerInjector.js

@@ -16,6 +16,7 @@ export default function _generateServerInjector (options = {}) {
         return titleGenerator(options)(type, data)
       case 'htmlAttrs':
       case 'bodyAttrs':
+      case 'headAttrs':
         return attrsGenerator(options)(type, data)
       default:
         return tagGenerator(options)(type, data)

src/server/generators/attrsGenerator.js

@@ -4,7 +4,7 @@ export default function _attrsGenerator (options = {}) {
   /**
    * Generates tag attributes for use on the server.
    *
-   * @param  {('bodyAttrs'|'htmlAttrs')} type - the type of attributes to generate
+   * @param  {('bodyAttrs'|'htmlAttrs'|'headAttrs')} type - the type of attributes to generate
    * @param  {Object} data - the attributes to generate
    * @return {Object} - the attribute generator
    */

src/shared/getMetaInfo.js

@@ -36,6 +36,7 @@ export default function _getMetaInfo (options = {}) {
       titleTemplate: '%s',
       htmlAttrs: {},
       bodyAttrs: {},
+      headAttrs: {},
       meta: [],
       base: [],
       link: [],