| 1 | /** |
| 2 | * Runs database migrations for Bun SQLite projects that use Effect SQL. |
| 3 | * |
| 4 | * This module re-exports the shared migration loaders and errors, then provides |
| 5 | * `run` and `layer` helpers that apply pending migration files with the current |
| 6 | * `SqlClient`. It does not add Bun-specific schema dump support; migration |
| 7 | * execution is handled by the shared SQL migrator. |
| 8 | * |
| 9 | * @since 4.0.0 |
| 10 | */ |
| 11 | import type * as Effect from "effect/Effect" |
| 12 | import * as Layer from "effect/Layer" |
| 13 | import * as Migrator from "effect/sql/Migrator" |
| 14 | import type * as Client from "effect/sql/SqlClient" |
| 15 | import type { SqlError } from "effect/sql/SqlError" |
| 16 | |
| 17 | /** |
| 18 | * @since 4.0.0 |
| 19 | */ |
| 20 | export * from "effect/sql/Migrator" |
| 21 | |
| 22 | /** |
| 23 | * Runs SQL migrations using the configured `SqlClient`, returning the migrations that were applied. |
| 24 | * |
| 25 | * @category running |
| 26 | * @since 4.0.0 |
| 27 | */ |
| 28 | export const run: <R2 = never>( |
| 29 | options: Migrator.MigratorOptions<R2> |
| 30 | ) => Effect.Effect< |
| 31 | ReadonlyArray<readonly [id: number, name: string]>, |
| 32 | Migrator.MigrationError | SqlError, |
| 33 | Client.SqlClient | R2 |
| 34 | > = Migrator.make({ |
| 35 | // dumpSchema(path, table) { |
| 36 | // const dump = (args: Array<string>) => |
| 37 | // Effect.gen(function*() { |
| 38 | // const sql = yield* SqliteClient |
| 39 | // const dump = yield* pipe( |
| 40 | // Command.make("sqlite3", (sql as SqliteClient).config.filename, ...args), |
| 41 | // Command.string |
| 42 | // ) |
| 43 | // return dump.replace(/^create table sqlite_sequence\(.*$/im, "") |
| 44 | // .replace(/\n{2,}/gm, "\n\n") |
| 45 | // .trim() |
| 46 | // }).pipe( |
| 47 | // Effect.mapError((error) => new Migrator.MigrationError({ kind: "Failed", message: error.message })) |
| 48 | // ) |
| 49 | // |
| 50 | // const dumpSchema = dump([".schema"]) |
| 51 | // |
| 52 | // const dumpMigrations = dump([ |
| 53 | // "--cmd", |
| 54 | // `.mode insert ${table}`, |
| 55 | // `select * from ${table}` |
| 56 | // ]) |
| 57 | // |
| 58 | // const dumpAll = Effect.map( |
| 59 | // Effect.all([dumpSchema, dumpMigrations], { concurrency: 2 }), |
| 60 | // ([schema, migrations]) => schema + "\n\n" + migrations |
| 61 | // ) |
| 62 | // |
| 63 | // const dumpFile = (file: string) => |
| 64 | // Effect.gen(function*() { |
| 65 | // const fs = yield* FileSystem |
| 66 | // const path = yield* Path |
| 67 | // const dump = yield* dumpAll |
| 68 | // yield* fs.makeDirectory(path.dirname(file), { recursive: true }) |
| 69 | // yield* fs.writeFileString(file, dump) |
| 70 | // }).pipe( |
| 71 | // Effect.mapError((error) => new Migrator.MigrationError({ kind: "Failed", message: error.message })) |
| 72 | // ) |
| 73 | // |
| 74 | // return dumpFile(path) |
| 75 | // } |
| 76 | }) |
| 77 | |
| 78 | /** |
| 79 | * Creates a layer that runs the configured SQL migrations during layer construction. |
| 80 | * |
| 81 | * @category layers |
| 82 | * @since 4.0.0 |
| 83 | */ |
| 84 | export const layer = <R>( |
| 85 | options: Migrator.MigratorOptions<R> |
| 86 | ): Layer.Layer< |
| 87 | never, |
| 88 | SqlError | Migrator.MigrationError, |
| 89 | Client.SqlClient | R |
| 90 | > => Layer.effectDiscard(run(options)) |