fix(ci): don't specify outdir for custom builds

Author: wilsonianb

.github/workflows/deploy-worker.yml

@@ -75,12 +75,19 @@ jobs:
           wrangler_main=$(docker run -i ghcr.io/pelletier/go-toml:v2 tomljson < wrangler.toml | jq -r '.main')
           echo "WRANGLER_MAIN=${wrangler_main}" >> "$GITHUB_OUTPUT"
 
+      - name: Check for [build] field in wrangler.toml
+        id: check-custom-build
+        working-directory: ${{ github.event.inputs.directory }}
+        run: |
+          CUSTOM_BUILD=$(docker run -i ghcr.io/pelletier/go-toml:v2 tomljson < wrangler.toml | jq -e '.build' > /dev/null && echo "true" || echo "false")
+          echo "CUSTOM_BUILD=${CUSTOM_BUILD}" >> "$GITHUB_OUTPUT"
+
       - name: Bundle/Build Worker
         uses: cloudflare/wrangler-action@v3
         with:
           wranglerVersion: ${{ env.wranglerVersion }}
           workingDirectory: ${{ github.event.inputs.directory }}
-          command: deploy --dry-run --outdir=${{ env.outDir }} --name=${{ github.event.inputs.appId }} --dispatch-namespace ${{ github.event.inputs.dispatchNamespace }}
+          command: deploy --dry-run ${{ steps.check-custom-build.outputs.CUSTOM_BUILD == 'false' && format('--outdir={0}', env.outDir) || '' }} --name=${{ github.event.inputs.appId }} --dispatch-namespace ${{ github.event.inputs.dispatchNamespace }}
 
       - name: Deploy Worker
         uses: cloudflare/wrangler-action@v3
@@ -89,4 +96,4 @@ jobs:
           accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
           wranglerVersion: ${{ env.wranglerVersion }}
           workingDirectory: ${{ github.event.inputs.directory }}
-          command: deploy --no-bundle --name=${{ github.event.inputs.appId }} --dispatch-namespace ${{ github.event.inputs.dispatchNamespace }} ${{ env.outDir }}/${{ steps.wrangler-main.outputs.WRANGLER_MAIN }}
+          command: deploy --no-bundle --name=${{ github.event.inputs.appId }} --dispatch-namespace ${{ github.event.inputs.dispatchNamespace }} ${{ steps.check-custom-build.outputs.CUSTOM_BUILD == 'false' && format('{0}/', env.outDir) || '' }}${{ steps.wrangler-main.outputs.WRANGLER_MAIN }}