Files
tailscale/cmd/tsconnect
codingetandClaude c695e579fa fix(tsconnect): link fork features into the wasm build
Upstream's featuretags work turned the wasm build into an allow-list scoped
to its SSH-in-browser client, which strips most of what this fork's JS bridge
exposes. Two problems, both silent at build time:

- cmd/tsconnect/wasm never imported feature/condregister, so extensions only
  registered if the wasm happened to import them directly (taildrop did, ACME
  did not). Without it getCert/listenTLS/setFunnel fail with "cert support not
  compiled in this build".
- The Keep allow-list omitted acme, serve, taildrop, drive, tailnetlock,
  bakedroots and the exit node features. bakedroots matters especially: a
  browser has no system roots, so net/tlsdial's LetsEncrypt fallback is the
  only verification path there.

Invert the polarity to an explicit Omit list, matching how this build behaved
before featuretags existed. Only feature/ace is omitted, because it does not
compile for GOOS=js. Trimming the bundle is worth doing later with
measurements; an allow-list turns each mistake into a runtime failure rather
than a build error.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
2026-07-28 20:09:08 +00:00
..
2022-08-08 21:54:06 -07:00

tsconnect

The tsconnect command builds and serves the static site that is generated for the Tailscale Connect JS/WASM client.

Development

To start the development server:

./tool/go run ./cmd/tsconnect dev

The site is served at http://localhost:9090/. JavaScript, CSS and Go wasm package changes can be picked up with a browser reload. Server-side Go changes require the server to be stopped and restarted. In development mode the state the Tailscale client state is stored in sessionStorage and will thus survive page reloads (but not the tab being closed).

Deployment

To build the static assets necessary for serving, run:

./tool/go run ./cmd/tsconnect build

To serve them, run:

./tool/go run ./cmd/tsconnect serve

By default the build output is placed in the dist/ directory and embedded in the binary, but this can be controlled by the -distdir flag. The -addr flag controls the interface and port that the serve listens on.

Library / NPM Package

The client is also available as an NPM package. To build it, run:

./tool/go run ./cmd/tsconnect build-pkg

That places the output in the pkg/ directory, which may then be uploaded to a package registry (or installed from the file path directly).

To do two-sided development (on both the NPM package and code that uses it), run:

./tool/go run ./cmd/tsconnect dev-pkg

This serves the module at http://localhost:9090/pkg/pkg.js and the generated wasm file at http://localhost:9090/pkg/main.wasm. The two files can be used as drop-in replacements for normal imports of the NPM module.