release: 1.0.0

src/migrations.ts

@@ -0,0 +1,40 @@
+import { readFileSync, readdirSync, existsSync } from 'fs';
+import { fileURLToPath } from 'url';
+import { dirname, join } from 'path';
+
+const sqlDir = join(dirname(fileURLToPath(import.meta.url)), '..', 'sql');
+
+export interface MorbacMigration {
+    filename: string;
+    sql: string;
+}
+
+// The morbac schema ships with this package as a PGXN-style extension script
+// (sql/pgmorbac--<version>.sql) plus upgrade scripts (sql/upgrades/). For the
+// crudy migration runner they are exposed as plain migrations: the base script
+// keeps the historical filename 0001_morbac.sql so schema_migrations rows on
+// existing databases stay valid, and upgrade scripts follow in version order
+// as 0001_morbac--<old>--<new>.sql.
+export function morbacMigrations(): MorbacMigration[] {
+    const base = readdirSync(sqlDir)
+        .filter(f => /^pgmorbac--\d+\.\d+\.\d+\.sql$/.test(f))
+        .sort();
+    if (base.length !== 1) {
+        throw new Error(`[pgmorbac] Expected exactly one base script in ${sqlDir}, found ${base.length}`);
+    }
+    const migrations: MorbacMigration[] = [{
+        filename: '0001_morbac.sql',
+        sql: readFileSync(join(sqlDir, base[0]), 'utf8'),
+    }];
+
+    const upgradesDir = join(sqlDir, 'upgrades');
+    if (existsSync(upgradesDir)) {
+        for (const f of readdirSync(upgradesDir).filter(n => n.endsWith('.sql')).sort()) {
+            migrations.push({
+                filename: `0001_morbac${f.replace(/^pgmorbac/, '').replace(/\.sql$/, '')}.sql`,
+                sql: readFileSync(join(upgradesDir, f), 'utf8'),
+            });
+        }
+    }
+    return migrations;
+}