feat(core): enable fff in node runtimes

packages/cli/package.json

@@ -56,6 +56,16 @@
     "@lydell/node-pty-linux-x64": "1.2.0-beta.12",
     "@lydell/node-pty-win32-arm64": "1.2.0-beta.12",
     "@lydell/node-pty-win32-x64": "1.2.0-beta.12",
+    "@ff-labs/fff-bin-darwin-arm64": "0.10.1",
+    "@ff-labs/fff-bin-linux-arm64-gnu": "0.10.1",
+    "@ff-labs/fff-bin-linux-x64-gnu": "0.10.1",
+    "@ff-labs/fff-bin-win32-arm64": "0.10.1",
+    "@ff-labs/fff-bin-win32-x64": "0.10.1",
+    "@yuuang/ffi-rs-darwin-arm64": "1.3.2",
+    "@yuuang/ffi-rs-linux-arm64-gnu": "1.3.2",
+    "@yuuang/ffi-rs-linux-x64-gnu": "1.3.2",
+    "@yuuang/ffi-rs-win32-arm64-msvc": "1.3.2",
+    "@yuuang/ffi-rs-win32-x64-msvc": "1.3.2",
     "@parcel/watcher-darwin-arm64": "2.5.1",
     "@parcel/watcher-linux-arm64-glibc": "2.5.1",
     "@parcel/watcher-linux-x64-glibc": "2.5.1",

packages/cli/script/node-assets.ts

@@ -37,6 +37,8 @@ export async function collectNodeAssets(target: NodeTarget) {
       ...(target.platform === "linux" ? { libc: "glibc" as const } : {}),
     }),
     { key: target.parcelWatcherAsset, source: fileURLToPath(import.meta.resolve(target.parcelWatcherPackage)) },
+    { key: target.fffAsset, source: fileURLToPath(import.meta.resolve(target.fffPackage)) },
+    { key: target.fffFfiAsset, source: fileURLToPath(import.meta.resolve(target.fffFfiPackage)) },
     {
       key: photonWasmAsset,
       source: fileURLToPath(import.meta.resolve(photonWasmAsset)),

packages/cli/src/node/target.ts

@@ -11,6 +11,8 @@ export function nodeTarget(platform: string, arch: string) {
   const targetArch = arch as "arm64" | "x64"
   const nodePtyPackage = `@lydell/node-pty-${targetPlatform}-${targetArch}`
   const parcelWatcherPackage = `@parcel/watcher-${targetPlatform}-${targetArch}${targetPlatform === "linux" ? "-glibc" : ""}`
+  const fffPackage = `@ff-labs/fff-bin-${targetPlatform}-${targetArch}${targetPlatform === "linux" ? "-gnu" : ""}`
+  const fffFfiPackage = `@yuuang/ffi-rs-${targetPlatform}-${targetArch}${targetPlatform === "linux" ? "-gnu" : targetPlatform === "win32" ? "-msvc" : ""}`
 
   return {
     platform: targetPlatform,
@@ -19,6 +21,10 @@ export function nodeTarget(platform: string, arch: string) {
     nodePtyEntryAsset: `${nodePtyPackage}/lib/index.js`,
     parcelWatcherPackage,
     parcelWatcherAsset: `${parcelWatcherPackage}/watcher.node`,
+    fffPackage,
+    fffAsset: `${fffPackage}/${targetPlatform === "darwin" ? "libfff_c.dylib" : targetPlatform === "win32" ? "fff_c.dll" : "libfff_c.so"}`,
+    fffFfiPackage,
+    fffFfiAsset: `${fffFfiPackage}/ffi-rs.${targetPlatform}-${targetArch}${targetPlatform === "linux" ? "-gnu" : targetPlatform === "win32" ? "-msvc" : ""}.node`,
   }
 }
 

packages/cli/vite.node.config.ts

@@ -30,6 +30,30 @@ function runtimeRequirePlugin(): Plugin {
   }
 }
 
+function fffNodePlugin(): Plugin {
+  return {
+    name: "opencode:fff-node",
+    enforce: "pre",
+    transform(code, id) {
+      const normalized = id.replaceAll("\\", "/")
+      if (normalized.endsWith("/ffi-rs/index.js")) {
+        const start = code.indexOf("if (!nativeBinding) {")
+        if (start === -1) this.error("Failed to rewrite ffi-rs native binding loader")
+        return `const nativeBinding = globalThis.__OPENCODE_FFF_FFI
+const loadError = undefined
+${code.slice(start)}`
+      }
+      if (!normalized.endsWith("/fff-node/dist/src/binary.js")) return
+      const transformed = code.replace(
+        "export function findBinary() {",
+        "export function findBinary() { if (process.env.FFF_BINARY_PATH) return process.env.FFF_BINARY_PATH;",
+      )
+      if (transformed === code) this.error("Failed to rewrite FFF binary loader")
+      return transformed
+    },
+  }
+}
+
 const resolve = {
   alias: [
     { find: /^solid-js\/store$/, replacement: "solid-js/store/dist/store.js" },
@@ -165,6 +189,9 @@ process.env.OTUI_ASSET_ROOT = __ocAssetRoot
 process.env.OPENCODE_NODE_PTY_PATH = __ocPath.join(__ocAssetRoot, ${JSON.stringify(input.target.nodePtyEntryAsset)})
 process.env.OPENCODE_PARCEL_WATCHER_PATH = __ocPath.join(__ocAssetRoot, ${JSON.stringify(input.target.parcelWatcherAsset)})
 process.env.OPENCODE_PHOTON_WASM_PATH = __ocPath.join(__ocAssetRoot, ${JSON.stringify(photonWasmAsset)})
+process.env.FFF_BINARY_PATH = __ocPath.join(__ocAssetRoot, ${JSON.stringify(input.target.fffAsset)})
+process.env.OPENCODE_FFF_FFI_PATH = __ocPath.join(__ocAssetRoot, ${JSON.stringify(input.target.fffFfiAsset)})
+globalThis.__OPENCODE_FFF_FFI = require(process.env.OPENCODE_FFF_FFI_PATH)
 globalThis.__OPENCODE_PHOTON_WASM_PATH = process.env.OPENCODE_PHOTON_WASM_PATH
 if (process.platform === "linux") process.env.OPENTUI_LIBC = "glibc"`
 }
@@ -183,6 +210,7 @@ export function mainConfig(input: NodeBuildInput): UserConfig {
     plugins: [
       rawTextPlugin(),
       runtimeRequirePlugin(),
+      fffNodePlugin(),
       solid({
         solid: {
           generate: "universal",

packages/core/package.json

@@ -92,6 +92,7 @@
     "@lydell/node-pty": "catalog:",
     "@modelcontextprotocol/sdk": "1.29.0",
     "@ff-labs/fff-bun": "0.10.1",
+    "@ff-labs/fff-node": "0.10.1",
     "@opencode-ai/codemode": "workspace:*",
     "@opencode-ai/effect-drizzle-sqlite": "workspace:*",
     "@opencode-ai/effect-sqlite-node": "workspace:*",

packages/core/src/filesystem/fff.node.ts

@@ -1,71 +1,51 @@
-export type Result<T> = { ok: true; value: T } | { ok: false; error: string }
-
-export interface Init {
-  basePath: string
-  frecencyDbPath?: string
-  historyDbPath?: string
-  useUnsafeNoLock?: boolean
-  disableMmapCache?: boolean
-  disableContentIndexing?: boolean
-  disableWatch?: boolean
-  aiMode?: boolean
-  logFilePath?: string
-  logLevel?: "trace" | "debug" | "info" | "warn" | "error"
-  enableFsRootScanning?: boolean
-  enableHomeDirScanning?: boolean
-}
-
-export interface File {
-  relativePath: string
-  fileName: string
-  modified: number
-}
+import {
+  FileFinder,
+  type DirItem,
+  type DirSearchResult,
+  type FileItem,
+  type GrepCursor,
+  type GrepMatch,
+  type GrepResult,
+  type InitOptions,
+  type MixedItem,
+  type MixedSearchResult,
+  type SearchResult,
+} from "@ff-labs/fff-node"
 
-export interface Directory {
-  relativePath: string
-  dirName: string
-  maxAccessFrecency: number
-}
+export type Result<T> = { ok: true; value: T } | { ok: false; error: string }
 
-export type Mixed = { type: "file"; item: File } | { type: "directory"; item: Directory }
+export type Init = InitOptions
 
 export interface Search {
-  items: File[]
-  scores: Array<{ total: number }>
+  items: FileItem[]
+  scores: SearchResult["scores"]
   totalMatched: number
   totalFiles: number
 }
 
 export interface DirSearch {
-  items: Directory[]
-  scores: Array<{ total: number }>
+  items: DirItem[]
+  scores: DirSearchResult["scores"]
   totalMatched: number
   totalDirs: number
 }
 
 export interface MixedSearch {
-  items: Mixed[]
-  scores: Array<{ total: number }>
+  items: MixedItem[]
+  scores: MixedSearchResult["scores"]
   totalMatched: number
   totalFiles: number
   totalDirs: number
 }
 
-export type Cursor = null
-
-export interface Hit {
-  relativePath: string
-  fileName: string
-  lineNumber: number
-  byteOffset: number
-  lineContent: string
-  matchRanges: [number, number][]
-  contextBefore?: string[]
-  contextAfter?: string[]
-}
+export type File = FileItem
+export type Directory = DirItem
+export type Mixed = MixedItem
+export type Cursor = GrepCursor | null
+export type Hit = GrepMatch
 
 export interface Grep {
-  items: Hit[]
+  items: GrepResult["items"]
   totalMatched: number
   totalFilesSearched: number
   totalFiles: number
@@ -128,11 +108,29 @@ export interface Picker {
 }
 
 export function available() {
-  return false
+  return FileFinder.isAvailable()
 }
 
-export function create(_opts: Init): Result<Picker> {
-  return { ok: false, error: "fff unavailable on node runtime" }
+export function create(opts: Init): Result<Picker> {
+  const made = FileFinder.create(opts)
+  if (!made.ok) return made
+  const pick = made.value
+  return {
+    ok: true,
+    value: {
+      destroy: () => pick.destroy(),
+      isScanning: () => pick.isScanning(),
+      waitForScan: (timeoutMs) => pick.waitForScan(timeoutMs),
+      refreshGitStatus: () => pick.refreshGitStatus(),
+      fileSearch: (query, next) => pick.fileSearch(query, next),
+      glob: (pattern, next) => pick.glob(pattern, next),
+      directorySearch: (query, next) => pick.directorySearch(query, next),
+      mixedSearch: (query, next) => pick.mixedSearch(query, next),
+      grep: (query, next) => pick.grep(query, next),
+      trackQuery: (query, file) => pick.trackQuery(query, file),
+      getHistoricalQuery: (offset) => pick.getHistoricalQuery(offset),
+    },
+  }
 }
 
 export * as Fff from "./fff.node"