added some comments to create-excerpt hook

Author: appinteractive

server/hooks/create-excerpt.js

@@ -33,13 +33,15 @@ module.exports = function (options = {}) { // eslint-disable-line no-unused-vars
       .replace(/(\ ){2,}/ig, ' ')
       .trim();
 
-      contentBefore = trunc(content, 9999999999);
+      // we do need to compare the strings to decide if we really need to trim
+      const contentBefore = trunc(content, 9999999999);
       const contentTruncated = trunc(contentSanitized, options.length);
       hook.app.debug('contentBefore');
       hook.app.debug(contentBefore.text.length);
       hook.app.debug('contentTruncated');
       hook.app.debug(contentTruncated.text.length);
 
+      // save meta key hasMore to indecate if there is more text then in the excerpt
       const hasMore = contentBefore.text.length > (contentTruncated.text.length + 20);
       setByDot(hook.data, 'hasMore', hasMore);