91 lines
2.8 KiB
TypeScript
91 lines
2.8 KiB
TypeScript
/**
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* Runs database migrations for Bun SQLite projects that use Effect SQL.
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*
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* This module re-exports the shared migration loaders and errors, then provides
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* `run` and `layer` helpers that apply pending migration files with the current
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* `SqlClient`. It does not add Bun-specific schema dump support; migration
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* execution is handled by the shared SQL migrator.
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*
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* @since 4.0.0
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*/
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import type * as Effect from "effect/Effect"
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import * as Layer from "effect/Layer"
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import * as Migrator from "effect/unstable/sql/Migrator"
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import type * as Client from "effect/unstable/sql/SqlClient"
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import type { SqlError } from "effect/unstable/sql/SqlError"
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/**
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* @since 4.0.0
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*/
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export * from "effect/unstable/sql/Migrator"
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/**
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* Runs SQL migrations using the configured `SqlClient`, returning the migrations that were applied.
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*
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* @category constructors
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* @since 4.0.0
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*/
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export const run: <R2 = never>(
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options: Migrator.MigratorOptions<R2>
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) => Effect.Effect<
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ReadonlyArray<readonly [id: number, name: string]>,
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Migrator.MigrationError | SqlError,
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Client.SqlClient | R2
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> = Migrator.make({
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// dumpSchema(path, table) {
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// const dump = (args: Array<string>) =>
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// Effect.gen(function*() {
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// const sql = yield* SqliteClient
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// const dump = yield* pipe(
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// Command.make("sqlite3", (sql as SqliteClient).config.filename, ...args),
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// Command.string
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// )
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// return dump.replace(/^create table sqlite_sequence\(.*$/im, "")
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// .replace(/\n{2,}/gm, "\n\n")
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// .trim()
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// }).pipe(
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// Effect.mapError((error) => new Migrator.MigrationError({ kind: "Failed", message: error.message }))
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// )
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//
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// const dumpSchema = dump([".schema"])
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//
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// const dumpMigrations = dump([
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// "--cmd",
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// `.mode insert ${table}`,
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// `select * from ${table}`
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// ])
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//
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// const dumpAll = Effect.map(
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// Effect.all([dumpSchema, dumpMigrations], { concurrency: 2 }),
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// ([schema, migrations]) => schema + "\n\n" + migrations
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// )
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//
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// const dumpFile = (file: string) =>
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// Effect.gen(function*() {
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// const fs = yield* FileSystem
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// const path = yield* Path
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// const dump = yield* dumpAll
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// yield* fs.makeDirectory(path.dirname(file), { recursive: true })
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// yield* fs.writeFileString(file, dump)
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// }).pipe(
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// Effect.mapError((error) => new Migrator.MigrationError({ kind: "Failed", message: error.message }))
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// )
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//
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// return dumpFile(path)
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// }
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})
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/**
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* Creates a layer that runs the configured SQL migrations during layer construction.
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*
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* @category constructors
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* @since 4.0.0
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*/
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export const layer = <R>(
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options: Migrator.MigratorOptions<R>
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): Layer.Layer<
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never,
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SqlError | Migrator.MigrationError,
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Client.SqlClient | R
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> => Layer.effectDiscard(run(options))
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