refactor(server): serve raw filesystem content (#31911)

packages/core/src/filesystem.ts

@@ -1,8 +1,7 @@
 export * as FileSystem from "./filesystem"
 
 import path from "path"
-import { pathToFileURL } from "url"
-import { Context, Effect, Layer, Option, Schema } from "effect"
+import { Context, Effect, Layer, Schema } from "effect"
 import { EventV2 } from "./event"
 import { FSUtil } from "./fs-util"
 import { Location } from "./location"
@@ -59,7 +58,7 @@ export const Event = {
 }
 
 export interface Interface {
-  readonly read: (input: ReadInput) => Effect.Effect<Content>
+  readonly read: (input: ReadInput) => Effect.Effect<{ readonly content: Uint8Array; readonly mime: string }>
   readonly list: (input?: ListInput) => Effect.Effect<Entry[]>
   readonly find: (input: FindInput) => Effect.Effect<Entry[]>
   readonly glob: (input: GlobInput) => Effect.Effect<readonly Entry[]>
@@ -91,27 +90,9 @@ const baseLayer = Layer.effect(
         const target = yield* resolve(input.path)
         const info = yield* fs.stat(target.real).pipe(Effect.orDie)
         if (info.type !== "File") return yield* Effect.die(new Error("Path is not a file"))
-        const bytes = yield* fs.readFile(target.real).pipe(Effect.orDie)
-        const mime = FSUtil.mimeType(target.real)
-        if (!bytes.includes(0)) {
-          const content = yield* Effect.sync(() => new TextDecoder("utf-8", { fatal: true }).decode(bytes)).pipe(
-            Effect.option,
-          )
-          if (Option.isSome(content))
-            return {
-              uri: pathToFileURL(target.real).href,
-              name: path.basename(target.real),
-              content: content.value,
-              encoding: "utf8" as const,
-              mime,
-            }
-        }
         return {
-          uri: pathToFileURL(target.real).href,
-          name: path.basename(target.real),
-          content: Buffer.from(bytes).toString("base64"),
-          encoding: "base64" as const,
-          mime,
+          content: yield* fs.readFile(target.real).pipe(Effect.orDie),
+          mime: FSUtil.mimeType(target.real),
         }
       }),
       list: Effect.fn("FileSystem.list")(function* (input = {}) {