feat: Convert model files to JS

packages/backend/src/models/base.js

@@ -0,0 +1,40 @@
+import { AjvValidator, Model, snakeCaseMappers } from 'objection';
+import addFormats from 'ajv-formats';
+
+import ExtendedQueryBuilder from './query-builder';
+
+class Base extends Model {
+  static QueryBuilder = ExtendedQueryBuilder;
+
+  static get columnNameMappers() {
+    return snakeCaseMappers();
+  }
+
+  static createValidator() {
+    return new AjvValidator({
+      onCreateAjv: (ajv) => {
+        addFormats.default(ajv);
+      },
+      options: {
+        allErrors: true,
+        validateSchema: true,
+        ownProperties: true,
+      },
+    });
+  }
+
+  async $beforeInsert(queryContext) {
+    await super.$beforeInsert(queryContext);
+
+    this.createdAt = new Date().toISOString();
+    this.updatedAt = new Date().toISOString();
+  }
+
+  async $beforeUpdate(opts, queryContext) {
+    this.updatedAt = new Date().toISOString();
+
+    await super.$beforeUpdate(opts, queryContext);
+  }
+}
+
+export default Base;