Add db:migrate-one and db:rollback-one npm scripts (#123)

package.json

@@ -14,7 +14,7 @@
     "@gravity-ui/expresskit": "^1.2.1",
     "@gravity-ui/gateway": "^2.0.0",
     "@gravity-ui/nodekit": "^1.1.1",
-    "@gravity-ui/postgreskit": "^1.1.1",
+    "@gravity-ui/postgreskit": "^1.3.0",
     "ajv": "^6.12.4",
     "axios": "^1.6.0",
     "axios-retry": "^3.1.9",
@@ -59,7 +59,9 @@
     "build:test:int": "npm run build && npm run test:int",
     "test": "npm run build && npm run test:unit && npm run test:int",
     "db:migrate": "node dist/server/db/scripts/migrate.js",
+    "db:migrate-one": "node dist/server/db/scripts/migrate-one.js",
     "db:rollback": "node dist/server/db/scripts/rollback.js",
+    "db:rollback-one": "node dist/server/db/scripts/rollback-one.js",
     "console": "node dist/server/console",
     "prepare-and-test": "rm -rf dist/server && npm run build && npm test",
     "prepare:db": "npm run build && CI_MODE=true SQL_DEBUG=false DEBUG=false node dist/server/db/scripts/clear-and-prepare",

src/db/scripts/migrate-one.ts

@@ -0,0 +1,13 @@
+require('dotenv').config();
+require('../../index');
+import {helpers} from '../index';
+
+helpers
+    .migrateDatabase({onlyOne: true})
+    .then(() => {
+        process.exit(0);
+    })
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });

src/db/scripts/rollback-one.ts

@@ -0,0 +1,13 @@
+require('dotenv').config();
+require('../../index');
+import {helpers} from '../index';
+
+helpers
+    .rollbackDatabase({onlyOne: true})
+    .then(() => {
+        process.exit(0);
+    })
+    .catch((error) => {
+        console.error(error);
+        process.exit(1);
+    });