| 1 | // @effect-diagnostics nodeBuiltinImport:off -- Effect's Node FileSystem is async, and pre-ready startup must not yield before the Clerk bridge registers its privileged scheme. |
| 2 | import * as NodeFS from "node:fs"; |
| 3 | import * as Effect from "effect/Effect"; |
| 4 | import * as FileSystem from "effect/FileSystem"; |
| 5 | import * as Layer from "effect/Layer"; |
| 6 | import * as PlatformError from "effect/PlatformError"; |
| 7 | |
| 8 | const systemErrorTag = (cause: unknown): PlatformError.SystemErrorTag => { |
| 9 | switch ((cause as NodeJS.ErrnoException | undefined)?.code) { |
| 10 | case "EEXIST": |
| 11 | return "AlreadyExists"; |
| 12 | case "ENOENT": |
| 13 | return "NotFound"; |
| 14 | case "EACCES": |
| 15 | case "EPERM": |
| 16 | return "PermissionDenied"; |
| 17 | default: |
| 18 | return "Unknown"; |
| 19 | } |
| 20 | }; |
| 21 | |
| 22 | const syncFs = <A>(method: string, path: string, run: () => A) => |
| 23 | Effect.try({ |
| 24 | try: run, |
| 25 | catch: (cause) => |
| 26 | PlatformError.systemError({ |
| 27 | _tag: systemErrorTag(cause), |
| 28 | module: "FileSystem", |
| 29 | method, |
| 30 | pathOrDescriptor: path, |
| 31 | cause, |
| 32 | }), |
| 33 | }); |
| 34 | |
| 35 | /** |
| 36 | * A synchronous FileSystem for startup work that runs before Electron's ready. |
| 37 | * Electron emits ready as soon as startup yields to the event loop. Only the |
| 38 | * operations userData resolution needs are implemented. |
| 39 | * |
| 40 | * @public Service construction is part of the canonical Effect module API. |
| 41 | */ |
| 42 | export const make = FileSystem.makeNoop({ |
| 43 | // Like Effect's exists: only a missing path is false, other access errors fail. |
| 44 | exists: (path) => |
| 45 | syncFs("exists", path, () => { |
| 46 | NodeFS.accessSync(path); |
| 47 | return true; |
| 48 | }).pipe( |
| 49 | Effect.catchIf( |
| 50 | (error) => error.reason._tag === "NotFound", |
| 51 | () => Effect.succeed(false), |
| 52 | ), |
| 53 | ), |
| 54 | readFileString: (path) => syncFs("readFileString", path, () => NodeFS.readFileSync(path, "utf8")), |
| 55 | makeDirectory: (path, options) => |
| 56 | syncFs("makeDirectory", path, () => { |
| 57 | NodeFS.mkdirSync(path, { recursive: options?.recursive ?? false }); |
| 58 | }), |
| 59 | writeFileString: (path, data, options) => |
| 60 | syncFs("writeFileString", path, () => |
| 61 | NodeFS.writeFileSync(path, data, { flag: options?.flag ?? "w" }), |
| 62 | ), |
| 63 | }); |
| 64 | |
| 65 | export const layer = Layer.succeed(FileSystem.FileSystem, make); |