pgmagmig

PostgreSQL migration tool with integrated schema differ, powered by PGlite (PostgreSQL compiled to WASM). Current stable version 0.1.2. Schema extraction, DDL generation, diffing, and diff validation run in-process against PGlite without needing an external PostgreSQL server. Features automatic diff validation via round-tripping, hazard annotations for destructive operations, YAML migration drafting, and an ephemeral database mode for tools like Prisma. Requires Node.js >=20.