Add bridge migrations

apps/bridge-frontend/database/migrate.ts

@@ -0,0 +1,93 @@
+import * as path from "path";
+import { fileURLToPath } from "url";
+import { promises as fs } from "fs";
+import {
+  Kysely,
+  Migrator,
+  MigrationResult,
+  FileMigrationProvider,
+  PostgresDialect,
+  CamelCasePlugin,
+} from "kysely";
+import pkg from "pg";
+const { Pool } = pkg;
+import * as dotenv from "dotenv";
+
+interface Database {}
+
+export const migrate = async (arg: string) => {
+  const __filename = fileURLToPath(import.meta.url);
+  const __dirname = path.dirname(__filename);
+  if (process.env.NODE_ENV !== "production") {
+    dotenv.config({ path: path.join(__dirname, "../.env.local") });
+  }
+  const db = new Kysely<Database>({
+    dialect: new PostgresDialect({
+      pool: new Pool({
+        host: process.env.DATABASE_HOST,
+        database: process.env.DATABASE_NAME,
+        port: parseInt(process.env.DATABASE_PORT!),
+        user: process.env.DATABASE_USER,
+        password: process.env.DATABASE_PASSWORD,
+      }),
+    }),
+    plugins: [new CamelCasePlugin()],
+  });
+  const migrator = new Migrator({
+    db,
+    provider: new FileMigrationProvider({
+      fs,
+      path,
+      migrationFolder: path.join(__dirname, "migrations"),
+    }),
+  });
+
+  let error = null;
+  let results: MigrationResult[] = [];
+
+  if (arg === "up:all") {
+    const out = await migrator.migrateToLatest();
+    results = out.results ?? [];
+    error = out.error;
+  } else if (arg === "up:one") {
+    const out = await migrator.migrateUp();
+    results = out.results ?? [];
+    error = out.error;
+  } else if (arg === "down:all") {
+    const migrations = await migrator.getMigrations();
+    for (const _ of migrations) {
+      const out = await migrator.migrateDown();
+      if (out.results) {
+        results = results.concat(out.results);
+        error = out.error;
+      }
+    }
+  } else if (arg === "down:one") {
+    const out = await migrator.migrateDown();
+    if (out.results) {
+      results = out.results ?? [];
+      error = out.error;
+    }
+  }
+
+  results?.forEach((it) => {
+    if (it.status === "Success") {
+      console.log(
+        `Migration "${it.migrationName} ${it.direction.toLowerCase()}" was executed successfully`,
+      );
+    } else if (it.status === "Error") {
+      console.error(`Failed to execute migration "${it.migrationName}"`);
+    }
+  });
+
+  if (error) {
+    console.error("Failed to migrate");
+    console.error(error);
+    process.exit(1);
+  }
+
+  await db.destroy();
+};
+
+const arg = process.argv.slice(2).pop();
+migrate(arg as string);