deno task dev fails in nextjs app created with app router

[satyarohith]

Version: Deno 1.42.4

➜  deno run --unstable-fs -A npm:create-next-app@latest
✔ What is your project named? … my-app
✔ Would you like to use TypeScript? … No / Yes
✔ Would you like to use ESLint? … No / Yes
✔ Would you like to use Tailwind CSS? … No / Yes
✔ Would you like to use `src/` directory? … No / Yes
✔ Would you like to use App Router? (recommended) … No / Yes
✔ Would you like to customize the default import alias (@/*)? … No / Yes
Creating a new Next.js app in /Users/sr/c/denoland/deno/my-app.

Using npm.

Initializing project with template: app-tw


Installing dependencies:
- react
- react-dom
- next

Installing devDependencies:
- typescript
- @types/node
- @types/react
- @types/react-dom
- postcss
- tailwindcss
- eslint
- eslint-config-next


added 360 packages, and audited 361 packages in 31s

133 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities
Success! Created my-app at /Users/sr/c/denoland/deno/my-app

➜ cd my-app
➜ deno task dev
Task dev next dev
error: npm package '@next/swc' does not exist.
error: Uncaught (in promise) TypeError: Unknown signal: 0
    at toDenoSignal (ext:deno_node/internal/child_process.ts:257:11)
    at ChildProcess.kill (ext:deno_node/internal/child_process.ts:172:53)
    at handleSessionStop (file:///Users/sr/c/denoland/deno/my-app/node_modules/.deno/next@14.2.1/node_modules/next/dist/cli/next-dev.js:84:51)
    at ChildProcess.<anonymous> (file:///Users/sr/c/denoland/deno/my-app/node_modules/.deno/next@14.2.1/node_modules/next/dist/cli/next-dev.js:253:23)
    at ChildProcess.emit (ext:deno_node/_events.mjs:386:28)
    at ext:deno_node/internal/child_process.ts:154:16
    at eventLoopTick (ext:core/01_core.js:168:7)

[bartlomieju]

This is related to node:child_process module

[littledivy]

@satyarohith Did you try with DENO_FUTURE=1? I think this is fixed by BYONM

[littledivy]

~/my-app $ DENO_FUTURE=1 deno task dev
Task dev next dev
   ▲ Next.js 14.1.3
   - Local:        http://localhost:3000

 ✓ Ready in 2.2s
 ○ Compiling / ...
 ✓ Compiled / in 5.5s (511 modules)
 ✓ Compiled in 381ms (241 modules)

Works using DENO_FUTURE=1 and { unstable: ["fs"] }