feat(effect-drizzle-sqlite): add vendored sqlite adapter (#28547)

packages/effect-drizzle-sqlite/examples/basic.ts

@@ -0,0 +1,92 @@
+import { SqliteClient } from "@effect/sql-sqlite-bun"
+import { eq } from "drizzle-orm"
+import { integer, sqliteTable, text } from "drizzle-orm/sqlite-core"
+import * as Context from "effect/Context"
+import * as Effect from "effect/Effect"
+import * as Layer from "effect/Layer"
+import * as Schema from "effect/Schema"
+import { EffectDrizzleSqlite } from "../src"
+
+const users = sqliteTable("users", {
+  id: integer().primaryKey({ autoIncrement: true }),
+  name: text().notNull(),
+})
+
+type User = typeof users.$inferSelect
+
+const makeDatabase = EffectDrizzleSqlite.makeWithDefaults()
+type DatabaseShape = Effect.Success<typeof makeDatabase>
+
+const sqliteLayer = SqliteClient.layer({ filename: ":memory:", disableWAL: true })
+
+class Database extends Context.Service<Database, DatabaseShape>()("@opencode/example/Database") {
+  static layer = Layer.effect(Database, makeDatabase).pipe(Layer.provide(sqliteLayer))
+}
+
+class UserStoreError extends Schema.TaggedErrorClass<UserStoreError>()("UserStoreError", {
+  message: Schema.String,
+  cause: Schema.optional(Schema.Defect),
+}) {}
+
+const mapStoreError = (message: string) => (cause: unknown) => new UserStoreError({ message, cause })
+
+interface UserStoreShape {
+  migrate(): Effect.Effect<void, UserStoreError>
+  create(name: string): Effect.Effect<void, UserStoreError>
+  rename(from: string, to: string): Effect.Effect<void, UserStoreError>
+  list(): Effect.Effect<User[], UserStoreError>
+}
+
+class UserStore extends Context.Service<UserStore, UserStoreShape>()("@opencode/example/UserStore") {
+  static layer = Layer.effect(
+    UserStore,
+    Effect.gen(function* () {
+      const db = yield* Database
+
+      return UserStore.of({
+        migrate: Effect.fn("UserStore.migrate")(function* () {
+          yield* EffectDrizzleSqlite.migrate(db, { migrationsFolder: `${import.meta.dirname}/migrations` }).pipe(
+            Effect.mapError((cause) => new UserStoreError({ message: "Failed to migrate users", cause })),
+          )
+        }),
+        create: Effect.fn("UserStore.create")(function* (name: string) {
+          yield* db
+            .insert(users)
+            .values({ name })
+            .pipe(Effect.asVoid, Effect.mapError(mapStoreError("Failed to create user")))
+        }),
+        rename: Effect.fn("UserStore.rename")(function* (from: string, to: string) {
+          yield* db
+            .transaction(
+              Effect.fnUntraced(function* (tx) {
+                yield* tx.insert(users).values({ name: from })
+                yield* tx.update(users).set({ name: to }).where(eq(users.name, from))
+              }),
+              { behavior: "immediate" },
+            )
+            .pipe(Effect.asVoid, Effect.mapError(mapStoreError("Failed to rename user")))
+        }),
+        list: Effect.fn("UserStore.list")(function* () {
+          return yield* db
+            .select()
+            .from(users)
+            .pipe(Effect.mapError(mapStoreError("Failed to list users")))
+        }),
+      })
+    }),
+  ).pipe(Layer.provide(Database.layer))
+}
+
+const program = Effect.gen(function* () {
+  const userStore = yield* UserStore
+
+  yield* userStore.migrate()
+  yield* userStore.create("Ada")
+  yield* userStore.rename("Grace", "Grace Hopper")
+
+  return yield* userStore.list()
+})
+
+const rows = await Effect.runPromise(program.pipe(Effect.provide(UserStore.layer)))
+
+console.log(rows)