manually merging #352 as it wont recognize the changes after merging the newer PRs

Author: mrin9

src/components/schema-table.js

@@ -162,7 +162,7 @@ export default class SchemaTable extends LitElement {
               : html`${this.generateTree(
                 data[key]['::type'] === 'array' ? data[key]['::props'] : data[key],
                 data[key]['::type'],
-                data[key]['::title'] && !isNaN(key) ? data[key]['::title'] : key,
+                data[key]['::title'] && !Number.isNaN(key) ? data[key]['::title'] : key,
                 data[key]['::description'],
                 (level + 1),
               )}`

src/utils/schema-utils.js

@@ -410,6 +410,7 @@ export function schemaInObjectNotation(schema, obj, level = 0, suffix = '') {
     });
     obj = objWithAllProps;
   } else if (schema.anyOf || schema.oneOf) {
+    obj['::description'] = schema.description ? schema.description : '';
     // 1. First iterate the regular properties
     if (schema.type === 'object' || schema.properties) {
       obj['::description'] = schema.description ? schema.description : '';
@@ -456,7 +457,11 @@ export function schemaInObjectNotation(schema, obj, level = 0, suffix = '') {
       obj['<any-key>'] = schemaInObjectNotation(schema.additionalProperties, {});
     }
   } else if (schema.items) { // If Array
-    obj['::description'] = schema.description ? schema.description : '';
+    obj['::description'] = schema.description
+      ? schema.description
+      : (schema.items.description
+        ? `array&lt;${schema.items.description}&gt;`
+        : '');
     obj['::type'] = 'array';
     obj['::props'] = schemaInObjectNotation(schema.items, {}, (level + 1));
     obj['::title'] = schema.items.title ? schema.items.title : '';