Noting, this might be something with my project (I'm not much of a node user but i have updated my package.json and package-lock.json files to no avail.

It seems as though the action installs an outdated wrangler by default, from my logs:
/usr/local/bin/npm i [email protected]

Currently I'm using Wrangler 4.14.1 (locally) and the older version seems to not like to deploy.

Here's how I've worked around the issue, but thought you all might want to update the default or maybe provide an version: 4.14.1 option to with:

Thanks!

  deploy:
    runs-on: ubuntu-latest
    name: Deploy
    steps:
      - uses: actions/checkout@v4
      - name: Deploy
        uses: cloudflare/wrangler-action@v3
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          workingDirectory: "data-worker"
          preCommands: |
            echo "*** pre commands ***"
            echo `pwd`
            npx wrangler --version
            npm install wrangler@latest
            echo "******"