Ported sanity studio to Next js app

lib/sanity/schemas/objects/uspSection.ts

@@ -0,0 +1,63 @@
+import {defineField} from 'sanity'
+import {StarIcon} from '@sanity/icons'
+
+export default defineField({
+  name: 'uspSection',
+  type: 'object',
+  title: 'USP section',
+  icon: StarIcon,
+  fieldsets: [
+    {
+      name: 'layoutSettings',
+      title: 'Layout settings'
+    },
+  ],
+  fields: [
+    {
+      name: 'disabled',
+      type: 'boolean',
+      title: 'Disabled?',
+      description: 'Set to true to disable this section.',
+      initialValue: 'false',
+      validation: (Rule) => Rule.required(),
+    },
+    {
+      name: 'title',
+      type: 'string',
+      title: 'Title',
+      description: 'Title will only be used internally.',
+      validation: (Rule) => Rule.required(),
+    },
+    {
+      name: 'usps',
+      type: 'array',
+      title: 'USPs',
+      description: 'Create USPs or refer to existing USP.',
+      of: [
+        {
+          type: 'reference',
+          to: [{
+            type: 'usp',
+          }],
+        },
+      ],
+      validation: (Rule) => Rule.required().min(2).max(4),
+    },
+  ],
+
+  preview: {
+    select: {
+      title: 'title',
+      disabled: 'disabled'
+    },
+    prepare(selection) {
+      const {title, disabled} = selection
+
+      return {
+        title: `${title}`,
+        subtitle: `USP section ${disabled ? '(⚠️ Disabled)' : ''}`,
+        media: StarIcon,
+      }
+    },
+  },
+})