Onlyfile VS Code Extension

VS Code support for the Onlyfile language.

Current features:

• file association for Onlyfile and onlyfile
• TextMate syntax highlighting
• editor language configuration for # comments, brackets, and quotes
• automatic startup of the only-lsp language client
• diagnostics, hover, and other LSP features when only-lsp is available

The extension resolves the language server in this order:

1. ONLY_LSP_BIN
2. bundled bin/only-lsp

Local development

1. pnpm install
2. pnpm build
3. Press F5 in VS Code to launch an Extension Development Host
4. Open an Onlyfile or onlyfile file

Packaging

• The extension entrypoint is bundled into dist/extension.js for release builds.
• The release package expects either ONLY_LSP_BIN or a bundled bin/only-lsp binary.
• If the server does not start, check the Onlyfile output channel in VS Code.

Notes

• For a real release, prefer bundling a release only-lsp binary instead of a debug build.
• The current package still bundles only one platform-specific only-lsp binary.