refactor: monorepo setup with lerna (#243)

packages/core/test/data/collection.tsx

@@ -0,0 +1,54 @@
+import type { Collection, MarkdownField } from '@staticcms/core';
+
+export const mockMarkdownField: MarkdownField = {
+  label: 'Body',
+  name: 'body',
+  widget: 'markdown',
+  hint: 'Main content goes here.',
+};
+
+export const mockMarkdownCollection: Collection<MarkdownField> = {
+  name: 'posts',
+  label: 'Posts',
+  label_singular: 'Post',
+  description:
+    'The description is a great place for tone setting, high level information, and editing guidelines that are specific to a collection.\n',
+  folder: '_posts',
+  slug: '{{year}}-{{month}}-{{day}}-{{slug}}',
+  summary: '{{title}} -- {{year}}/{{month}}/{{day}}',
+  sortable_fields: {
+    fields: ['title', 'date'],
+    default: {
+      field: 'title',
+    },
+  },
+  create: true,
+  fields: [
+    {
+      label: 'Title',
+      name: 'title',
+      widget: 'string',
+    },
+    {
+      label: 'Draft',
+      name: 'draft',
+      widget: 'boolean',
+      default: false,
+    },
+    {
+      label: 'Publish Date',
+      name: 'date',
+      widget: 'datetime',
+      date_format: 'yyyy-MM-dd',
+      time_format: 'HH:mm',
+      format: "yyyy-MM-dd'T'HH:mm:ss.SSSXXX",
+    },
+    {
+      label: 'Cover Image',
+      name: 'image',
+      widget: 'image',
+      required: false,
+    },
+    mockMarkdownField,
+  ],
+};