cloudflare-worker-base

SKILL.md

Production-tested: cloudflare-worker-base-test (https://cloudflare-worker-base-test.webfonts.workers.dev) Last Updated: 2025-10-20 Status: Production Ready ✅

Issue #1: Export Syntax Error Error: "Cannot read properties of undefined (reading 'map')" Source: honojs/hono #3955 Prevention: Use export default app (NOT { fetch: app.fetch })

Issue #2: Static Assets Routing Conflicts Error: API routes return index.html instead of JSON Source: workers-sdk #8879 Prevention: Add "runworkerfirst": ["/api/"] to wrangler.jsonc

Set up Cloudflare Workers with Hono routing, Vite plugin, and Static Assets using production-tested patterns. Prevents 6 errors: export syntax, routing conflicts, HMR crashes, and Service Worker format confusion. Use when: creating Workers projects, configuring Hono or Vite for Workers, deploying with Wrangler, adding Static Assets with SPA fallback, or troubleshooting export syntax, API route conflicts, scheduled handlers, or HMR race conditions. Keywords: Cloudflare Workers, CF Workers, Hono, wrangler, Vite, Static Assets, @cloudflare/vite-plugin, wrangler.jsonc, ES Module, run_worker_first, SPA fallback, API routes, serverless, edge computing, "Cannot read properties of undefined", "Static Assets 404", "A hanging Promise was canceled", "Handler does not export", deployment fails, routing not working, HMR crashes Source: ovachiever/droid-tings.

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