fix: Improve types for paragraphs handling

BREAKING CHANGE: is-paragraph becomes is-text

src/html/get-metadata.js

@@ -87,13 +87,20 @@ function sectiontype(section) {
     if (type === 'paragraph' && pChildren && pChildren.length > 0) {
       // if child is a paragraph, check its children, it might contain an image or a list
       // which are always wrapped by default.
-      pChildren.forEach(({ type: subType }) => {
-        // exclude text nodes which are default paragraph content
-        if (subType !== 'text') {
-          const mycount = mycounter[subType] || 0;
-          mycounter[subType] = mycount + 1;
-          node.data.types.push(`is-${subType}`);
+      pChildren.forEach((p) => {
+        let prefix = 'has';
+        if (p.type === 'text') {
+          // do not count "empty" paragraphs
+          if (p.value === '\n' || p.value === '') return;
+
+          // paragraph with type text "is" a text
+          prefix = 'is';
         }
+        if (!node.data.types.includes(`${prefix}-${p.type}`)) {
+          node.data.types.push(`${prefix}-${p.type}`);
+        }
+        const mycount = mycounter[p.type] || 0;
+        mycounter[p.type] = mycount + 1;
       });
     }