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spark-html-dev-tls

v0.1.0

Published

Local HTTPS for spark-html dev servers. One command fronts your spark-ssr or spark-html-bun dev/preview server with a self-signed TLS reverse proxy, so secure-context browser APIs (camera, mic, geolocation, service workers) work when you open the app on a

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Links

Git

Maintainers

wilkinnovowilkinnovo

Keywords

spark-htmlspark-ssrhttpstlsdev-serverself-signedsecure-contextgetusermediareverse-proxybun

Readme

spark-html-dev-tls

Local HTTPS for your spark-html dev server, so you can test secure-context browser APIs — camera, microphone, geolocation, service workers — from a real phone on your LAN. These APIs only work over https:// (or localhost), so a plain http://192.168.x.x:3000 dev URL can't use them. This wraps that dev server with a self-signed TLS reverse proxy.

It's a testing tool, and purely additive: your normal dev script is left exactly as it is (plain HTTP). You add a secure script that wraps it.

{
  "scripts": {
    "dev": "bun spark-ssr",
    "secure": "bun spark-html-dev-tls"
  }
}
bun run dev      # unchanged — http://localhost:3000
bun run secure   # https://<your-lan-ip>:3000  → open this on your phone

secure auto-detects the project (a spark.json / pages/ folder → spark-ssr; a spark.config.js → spark-html-bun), spawns that same dev server on a private port, and fronts it with HTTPS. It works the same for SSR, client-only, and prerender apps — an HTTP→HTTPS proxy doesn't care what's behind it.

What it handles

  • Plain requests stream straight through.
  • Live reload / live data (spark-ssr's /__spark/reload and /__spark/live Server-Sent Events) pass through as live streams.
  • Hot module reload (spark-html-bun's /__spark_hmr WebSocket) is relayed.
  • Secure cookies work — the proxy adds x-forwarded-proto: https, so the dev server marks session/flash cookies Secure correctly.

Requirements & options

openssl (a system tool, already on macOS/Linux and via Git-Bash/WSL on Windows) generates the certificate — no npm dependencies. The cert is cached in .spark/dev.{pem,key} with a SAN covering localhost, 127.0.0.1, and your LAN IPs, and reused until it nears expiry.

spark-html-dev-tls --port 8443            # pick the HTTPS port
spark-html-dev-tls --cert c.pem --key k   # bring your own cert (e.g. mkcert, for no warning)
spark-html-dev-tls -- bun spark-ssr       # skip auto-detect; wrap an explicit command

Self-signed certificates show a one-time browser warning (accept it, or install a mkcert cert and pass --cert/--key for a trusted, warning-free experience). This is a dev-only tool; production HTTPS is normally terminated by your host or a reverse proxy.