fix: improve glob tool Windows compatibility and rg resolution (#309)

src/tools/glob/cli.ts

@@ -1,6 +1,7 @@
 import { spawn } from "bun"
 import {
   resolveGrepCli,
+  type GrepBackend,
   DEFAULT_TIMEOUT_MS,
   DEFAULT_LIMIT,
   DEFAULT_MAX_DEPTH,
@@ -10,6 +11,11 @@ import {
 import type { GlobOptions, GlobResult, FileMatch } from "./types"
 import { stat } from "node:fs/promises"
 
+export interface ResolvedCli {
+  path: string
+  backend: GrepBackend
+}
+
 function buildRgArgs(options: GlobOptions): string[] {
   const args: string[] = [
     ...RG_FILES_FLAGS,
@@ -40,6 +46,25 @@ function buildFindArgs(options: GlobOptions): string[] {
   return args
 }
 
+function buildPowerShellCommand(options: GlobOptions): string[] {
+  const maxDepth = Math.min(options.maxDepth ?? DEFAULT_MAX_DEPTH, DEFAULT_MAX_DEPTH)
+  const paths = options.paths?.length ? options.paths : ["."]
+  const searchPath = paths[0] || "."
+
+  const escapedPath = searchPath.replace(/'/g, "''")
+  const escapedPattern = options.pattern.replace(/'/g, "''")
+
+  let psCommand = `Get-ChildItem -Path '${escapedPath}' -File -Recurse -Depth ${maxDepth - 1} -Filter '${escapedPattern}'`
+
+  if (options.hidden) {
+    psCommand += " -Force"
+  }
+
+  psCommand += " -ErrorAction SilentlyContinue | Select-Object -ExpandProperty FullName"
+
+  return ["powershell", "-NoProfile", "-Command", psCommand]
+}
+
 async function getFileMtime(filePath: string): Promise<number> {
   try {
     const stats = await stat(filePath)
@@ -49,25 +74,40 @@ async function getFileMtime(filePath: string): Promise<number> {
   }
 }
 
-export async function runRgFiles(options: GlobOptions): Promise<GlobResult> {
-  const cli = resolveGrepCli()
+export async function runRgFiles(
+  options: GlobOptions,
+  resolvedCli?: ResolvedCli
+): Promise<GlobResult> {
+  const cli = resolvedCli ?? resolveGrepCli()
   const timeout = Math.min(options.timeout ?? DEFAULT_TIMEOUT_MS, DEFAULT_TIMEOUT_MS)
   const limit = Math.min(options.limit ?? DEFAULT_LIMIT, DEFAULT_LIMIT)
 
   const isRg = cli.backend === "rg"
-  const args = isRg ? buildRgArgs(options) : buildFindArgs(options)
+  const isWindows = process.platform === "win32"
+
+  let command: string[]
+  let cwd: string | undefined
 
-  const paths = options.paths?.length ? options.paths : ["."]
   if (isRg) {
+    const args = buildRgArgs(options)
+    const paths = options.paths?.length ? options.paths : ["."]
     args.push(...paths)
+    command = [cli.path, ...args]
+    cwd = undefined
+  } else if (isWindows) {
+    command = buildPowerShellCommand(options)
+    cwd = undefined
+  } else {
+    const args = buildFindArgs(options)
+    const paths = options.paths?.length ? options.paths : ["."]
+    cwd = paths[0] || "."
+    command = [cli.path, ...args]
   }
 
-  const cwd = paths[0] || "."
-
-  const proc = spawn([cli.path, ...args], {
+  const proc = spawn(command, {
     stdout: "pipe",
     stderr: "pipe",
-    cwd: isRg ? undefined : cwd,
+    cwd,
   })
 
   const timeoutPromise = new Promise<never>((_, reject) => {
@@ -106,7 +146,15 @@ export async function runRgFiles(options: GlobOptions): Promise<GlobResult> {
         break
       }
 
-      const filePath = isRg ? line : `${cwd}/${line}`
+      let filePath: string
+      if (isRg) {
+        filePath = line
+      } else if (isWindows) {
+        filePath = line.trim()
+      } else {
+        filePath = `${cwd}/${line}`
+      }
+
       const mtime = await getFileMtime(filePath)
       files.push({ path: filePath, mtime })
     }