Move isFile into util

That allows its use in entry.ts as well.

src/node/entry.ts

 import { field, logger } from "@coder/logger"
 import * as cp from "child_process"
-import { promises as fs } from "fs"
 import http from "http"
 import * as path from "path"
 import { CliMessage, OpenCommandPipeArgs } from "../../lib/vscode/src/vs/server/ipc"
@@ -19,7 +18,7 @@ import {
 import { coderCloudBind } from "./coder-cloud"
 import { commit, version } from "./constants"
 import { register } from "./routes"
-import { humanPath, open } from "./util"
+import { humanPath, isFile, open } from "./util"
 import { ipcMain, WrapperProcess } from "./wrapper"
 
 export const runVsCodeCli = (args: DefaultedArgs): void => {
@@ -55,21 +54,12 @@ export const openInExistingInstance = async (args: DefaultedArgs, socketPath: st
     forceNewWindow: args["new-window"],
   }
 
-  const isDir = async (path: string): Promise<boolean> => {
-    try {
-      const st = await fs.stat(path)
-      return st.isDirectory()
-    } catch (error) {
-      return false
-    }
-  }
-
   for (let i = 0; i < args._.length; i++) {
     const fp = path.resolve(args._[i])
-    if (await isDir(fp)) {
-      pipeArgs.folderURIs.push(fp)
-    } else {
+    if (await isFile(fp)) {
       pipeArgs.fileURIs.push(fp)
+    } else {
+      pipeArgs.folderURIs.push(fp)
     }
   }
 

src/node/util.ts

@@ -261,3 +261,12 @@ export function canConnect(path: string): Promise<boolean> {
     })
   })
 }
+
+export const isFile = async (path: string): Promise<boolean> => {
+  try {
+    const stat = await fs.stat(path)
+    return stat.isFile()
+  } catch (error) {
+    return false
+  }
+}

src/node/vscode.ts

 import { field, logger } from "@coder/logger"
 import * as cp from "child_process"
-import * as fs from "fs-extra"
 import * as net from "net"
 import * as path from "path"
 import * as ipc from "../../lib/vscode/src/vs/server/ipc"
 import { arrayify, generateUuid } from "../common/util"
 import { rootPath } from "./constants"
 import { settings } from "./settings"
+import { isFile } from "./util"
 
 export class VscodeProvider {
   public readonly serverRootPath: string
@@ -123,15 +123,6 @@ export class VscodeProvider {
   private async getFirstPath(
     startPaths: Array<{ url?: string | string[] | ipc.Query | ipc.Query[]; workspace?: boolean } | undefined>,
   ): Promise<ipc.StartPath | undefined> {
-    const isFile = async (path: string): Promise<boolean> => {
-      try {
-        const stat = await fs.stat(path)
-        return stat.isFile()
-      } catch (error) {
-        logger.warn(error.message)
-        return false
-      }
-    }
     for (let i = 0; i < startPaths.length; ++i) {
       const startPath = startPaths[i]
       const url = arrayify(startPath && startPath.url).find((p) => !!p)