From 9df3929fc7424a9c3d4e870c8eb6d1501c1a13cc Mon Sep 17 00:00:00 2001
From: wener <wenermail@gmail.com>
Date: Thu, 10 Oct 2024 10:39:46 +0800
Subject: [PATCH] feat: expose createMigrationBuilder to allow using this lib
 as sql builder

---
 src/index.ts            |  1 +
 src/migrationBuilder.ts | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)

diff --git a/src/index.ts b/src/index.ts
index 3003a19d..f47efd40 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,4 +1,5 @@
 export { Migration } from './migration';
+export { createMigrationBuilder } from './migrationBuilder';
 export type {
   CreateCast,
   CreateCastFn,
diff --git a/src/migrationBuilder.ts b/src/migrationBuilder.ts
index a23fd4f9..1be7be0b 100644
--- a/src/migrationBuilder.ts
+++ b/src/migrationBuilder.ts
@@ -531,3 +531,29 @@ export default class MigrationBuilderImpl implements MigrationBuilder {
     return this._REVERSE_MODE ? [...this._steps].reverse() : this._steps;
   }
 }
+
+export function createMigrationBuilder({
+  db,
+  typeShorthands,
+  shouldDecamelize,
+  logger,
+}: {
+  db?: DB;
+  typeShorthands: ColumnDefinitions | undefined;
+  shouldDecamelize: boolean;
+  logger: Logger;
+}): MigrationBuilderImpl {
+  return new MigrationBuilderImpl(
+    db || {
+      select: () => {
+        throw new Error('Not implemented');
+      },
+      query: () => {
+        throw new Error('Not implemented');
+      },
+    },
+    typeShorthands,
+    shouldDecamelize,
+    logger
+  );
+}