This PR resolves two critical issues that prevented the typesync application from building and running correctly on Windows environments. These changes ensure a consistent developer experience across all operating systems. (#317)

Author: JoMind

apps/typesync/package.json

@@ -27,7 +27,7 @@
     "dev": "vite build && pnpx tsx ./src/bin.ts typesync",
     "dev:cli": "pnpx tsx ./src/bin.ts typesync",
     "dev:client": "vite --force",
-    "clean": "rm -rf dist client/dist",
+    "clean": "rimraf dist client/dist",
     "start": "node ./dist/bin.js",
     "check": "tsc --noEmit",
     "test": "vitest run",
@@ -59,7 +59,8 @@
     "glob": "^11.0.3",
     "tsup": "^8.5.0",
     "tsx": "^4.20.3",
-    "vite": "^6.3.5"
+    "vite": "^6.3.5",
+    "rimraf": "^6.0.1"
   },
   "dependencies": {
     "@graphql-typed-document-node/core": "^3.2.0",

apps/typesync/src/Database.ts

@@ -6,13 +6,15 @@ import { Chunk, Console, Effect, Array as EffectArray, Layer, Option, Order, Sch
 
 import * as TypesyncDomain from '../domain/Domain.js';
 import * as Domain from './Domain.js';
+import { fromFileSystem } from './Utils.js';
 
 const SqlLive = SqliteClient.layer({
   filename: '.typesync.db',
 });
+
 const MigratorLive = Migrator.layer({
-  loader: Migrator.fromFileSystem(fileURLToPath(new URL('migrations', import.meta.url))),
-}).pipe(Layer.provide(SqlLive));
+  loader: fromFileSystem(fileURLToPath(new URL('migrations', import.meta.url))),
+}).pipe(Layer.provide(SqlLive))
 
 const DatabaseLive = Layer.mergeAll(SqlLive, MigratorLive).pipe(Layer.provide(NodeContext.layer));
 

apps/typesync/src/Utils.ts

@@ -125,3 +125,54 @@ export class InvalidInputError extends Data.TaggedError('/typesync/errors/Invali
   readonly input: string;
   readonly cause: unknown;
 }> {}
+
+/* ------------------------------------------------------------------ */
+/*  Windows-safe migration loader                                      */
+/* ------------------------------------------------------------------ */
+
+import { pathToFileURL } from "node:url"
+import { FileSystem } from "@effect/platform/FileSystem"
+import * as Effect from "effect/Effect"
+import type { Loader, ResolvedMigration } from "@effect/sql/Migrator"
+import { MigrationError } from "@effect/sql/Migrator"
+
+/**
+ * Patched version of
+ * `@effect/sql/Migrator/FileSystem.fromFileSystem`.
+ *
+ * The only difference is that the dynamic `import()` receives a proper
+ * `file://` URL, so it works on Windows as well as on Linux / macOS.
+ */
+export const fromFileSystem = (
+  dir: string,
+): Loader<FileSystem> =>
+  FileSystem.pipe(
+    /* read directory ----------------------------------------------------- */
+    Effect.flatMap((FS) => FS.readDirectory(dir)),
+    Effect.mapError(
+      (e) => new MigrationError({ reason: "failed", message: e.message }),
+    ),
+    /* build migration list ---------------------------------------------- */
+    Effect.map((files): ReadonlyArray<ResolvedMigration> =>
+      files
+        .flatMap((file) => {
+          const m =
+            file.match(/^(?:.*[\\/])?(\d+)_([^.]+)\.(js|ts)$/) // win/posix
+          if (!m) return []
+          const [basename, id, name] = m
+          return [
+            [
+              Number(id),
+              name,
+              Effect.promise(() =>
+                import(
+                  /* @vite-ignore */ /* webpackIgnore: true */
+                  pathToFileURL(`${dir}/${basename}`).href,
+                ),
+              ),
+            ],
+          ] as const
+        })
+        .sort(([a], [b]) => a - b),
+    ),
+  )