feat: initial commit

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2026-07-09 17:23:56 +02:00
commit 0d9958caa6
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# -*- mode: sh; -*-
watch_file flake.nix
watch_file flake.lock
if ! use flake . --no-pure-eval
then
echo "dev shell could not be built. The environment was not loaded. Make the necessary changes to flake.nix and hit enter to try again." >&2
fi
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# ---> Emacs
# -*- mode: gitignore; -*-
*~
\#*\#
/.emacs.desktop
/.emacs.desktop.lock
*.elc
auto-save-list
tramp
.\#*
# Org-mode
.org-id-locations
*_archive
# flymake-mode
*_flymake.*
# eshell files
/eshell/history
/eshell/lastdir
# elpa packages
/elpa/
# reftex files
*.rel
# AUCTeX auto folder
/auto/
# cask packages
.cask/
dist/
# Flycheck
flycheck_*.el
# server auth directory
/server/
# projectiles files
.projectile
# directory configuration
.dir-locals.el
# network security
/network-security.data
# Eask
.eask/
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# AGENTS.md — lsp-typst
## Project Overview
`lsp-typst` is an Emacs Lisp package that provides **LSP support for Typst** (the typesetting language) via `lsp-mode`. It connects to the **tinymist** LSP server to provide completion, diagnostics, formatting, and other LSP features in buffers using `typst-ts-mode`.
- **Homepage:** https://labs.phundrak.com/phundrak/lsp-typst
- **License:** GPLv3+
## Quick Start
```sh
# Enter the reproducible dev shell (Nix)
nix develop
# Run tests (currently a placeholder — see Testing Status below)
eask test
```
No build step is required — the package is pure Elisp.
## Dependencies
| Dependency | Min. Version | Purpose |
|-------------------|--------------|--------------------------------------|
| Emacs | 30.1 | Runtime |
| `lsp-mode` | 10 | LSP client infrastructure |
| `f` | 0.20 | File path manipulation |
| `typst-ts-mode` | 0.12 | Typst major mode (recommended) |
The package can also **auto-download** the `tinymist` binary from GitHub releases.
## Project Structure
| Path | Purpose |
|-------------------------------------|--------------------------------------|
| `lsp-typst.el` | Single-file package (all source) |
| `Eask` | Eask build/test configuration |
| `flake.nix` | Nix flake for reproducible dev shell |
| `flake.lock` | Locked Nix inputs (auto-generated) |
Everything lives in one Elisp file; keep it that way unless complexity warrants splitting.
## Key Conventions
- **Lexical binding** is enabled (`lexical-binding: t`).
- **Colon-double-space** is enforced (`colon-double-space: t`).
- **Naming:** All public symbols are prefixed `lsp-typst-*`.
- **Docstrings:** Present on all `defcustom` and `defgroup` forms. First line is a complete sentence.
- **Comment style:** Section headers use `;;;` with standard Emacs conventions (`;;; Code:`, `;;; Commentary:`, `;;; lsp-typst.el ends here`).
- **Single-file package:** Keep source in `lsp-typst.el` unless the package grows significantly.
- **Indentation:** Standard Emacs Lisp indentation.
## Public API (User-Facing Customization)
| Variable | Default | Description |
|-----------------------------------|------------------------------------------|-------------------------------------|
| `lsp-typst-server-command` | `"tinymist"` | LSP server binary path |
| `lsp-typst-server-command-args` | `'("lsp")` | CLI arguments for the server |
| `lsp-typst-download-url` | Auto-detected per platform | URL to download tinymist |
| `lsp-typst-store-path` | Inside `lsp-server-install-dir` | Where the downloaded binary is kept |
There are no interactive commands defined — all configuration is via `defcustom`.
## Architecture Notes
The LSP client is registered in three steps inside `lsp-typst.el`:
1. **Language-ID mapping**`typst-ts-mode` is mapped to the language id `"typst"` via `lsp-language-id-configuration`.
2. **Dependency definition** — The `typst` dependency is defined, pointing to either a system binary or a downloadable `tinymist` binary.
3. **Client registration**`lsp-register-client` creates the client with:
- `:language-id``"typst"`
- `:major-modes``(nix-ts-mode)` (see **Known Quirks** below)
- `:activation-modes``lsp-activate-on "typst"`
- `:server-id``'typst`
- Connection via `lsp-stdio-connection` calling `lsp-typst-server-command` + args
- Initialization sends configuration via `lsp--set-configuration`
## Known Quirks
- **Suspicious `:major-modes` value:** The client registration lists `(nix-ts-mode)` as the major mode, which looks like a copy-paste artifact. The actual activation gate is `lsp-activate-on "typst"`, but if you're cleaning this up, it should probably be `(typst-ts-mode)`.
- **Only tinymist is supported:** The package is written specifically for **tinymist** (the successor to `typst-lsp`). Do not add support for the older `typst-lsp` server without explicit discussion.
## What Not to Touch
- **`flake.lock`** — Auto-generated by Nix. Regenerate with `nix flake update`. Never edit manually.
## Testing Status
**No tests exist.** The `Eask` test script is a placeholder:
```shell
echo "Error: no test specified" && exit 1
```
Any testing setup would need to be created from scratch (likely a `test/` directory with ERT tests).
## Decision Records
- **tinymist** is the only supported LSP server. The package was written after `typst-lsp` was deprecated in favor of tinymist.
- **No CI is configured** (no `.github/`, no `.gitlab-ci.yml`).
- **No README** exists — this `AGENTS.md` and the package commentary in `lsp-typst.el` serve as documentation.
- **Self-hosted git:** The canonical repository is on a Gitea/Forgejo instance at `labs.phundrak.com`, not GitHub.
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;; -*- mode: eask; lexical-binding: t -*-
(package "lsp-typst"
"1.0.0"
"LSP support for Typst with lsp-mode")
(website-url "https://labs.phundrak.com/phundrak/lsp-typst")
(keywords "typst" "lsp" "tools")
(package-file "lsp-typst.el")
(script "test" "echo \"Error: no test specified\" && exit 1")
(source "gnu")
(source "nongnu")
(source "melpa")
(depends-on "emacs" "30.1")
(depends-on "f" "0.20")
(depends-on "lsp-mode" "10.0")
(depends-on "typst-ts-mode")
Generated
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{
"nodes": {
"flake-utils": {
"inputs": {
"systems": "systems"
},
"locked": {
"lastModified": 1731533236,
"narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
"owner": "numtide",
"repo": "flake-utils",
"rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
"type": "github"
},
"original": {
"owner": "numtide",
"repo": "flake-utils",
"type": "github"
}
},
"nixpkgs": {
"locked": {
"lastModified": 1783224372,
"narHash": "sha256-8i/87eeoqiGE4yOTjwSA3Eh/ziJRQEmd/unYU+K27sk=",
"owner": "nixos",
"repo": "nixpkgs",
"rev": "d407951447dcd00442e97087bf374aad70c04cea",
"type": "github"
},
"original": {
"owner": "nixos",
"ref": "nixos-unstable",
"repo": "nixpkgs",
"type": "github"
}
},
"root": {
"inputs": {
"flake-utils": "flake-utils",
"nixpkgs": "nixpkgs"
}
},
"systems": {
"locked": {
"lastModified": 1681028828,
"narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
"owner": "nix-systems",
"repo": "default",
"rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
"type": "github"
},
"original": {
"owner": "nix-systems",
"repo": "default",
"type": "github"
}
}
},
"root": "root",
"version": 7
}
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{
description = "LSP support for Typst with lsp-mode";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = {
self,
nixpkgs,
flake-utils,
}:
flake-utils.lib.eachSystem ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"] (system: let
pkgs = import nixpkgs {inherit system;};
in {
formatter = pkgs.alejandra;
devShells.default = pkgs.mkShell {
name = "lsp-typst";
buildInputs = [pkgs.eask-cli];
shellHook = ''
echo "lsp-typst devshell Eask version: $(eask --version 2>/dev/null || echo 'not found')"
'';
};
});
}
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;;; lsp-typst.el --- LSP support for Typst with lsp-mode -*- lexical-binding: t; colon-double-space: t; -*-
;; Author: Lucien Cartier-Tilet <lucien@phundrak.com>
;; Maintainer: Lucien Cartier-Tilet <lucien@phundrak.com>
;; Version: 1.0.0
;; Package-Requires: ((emacs "30.1") (lsp-mode "10") (f "0.20") (typst-ts-mode "0.12"))
;; Homepage: https://labs.phundrak.com/phundrak/lsp-typst
;; Keywords: lsp typst tools
;; This file is not part of GNU Emacs
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;; LSP support for Typst with lsp-mode.
;;
;; I recommend `typst-ts-mode'
;; (https://codeberg.org/meow_king/typst-ts-mode/), available on
;; Nongnu Elpa, if you need a major mode for Typst, but this package
;; does not require it.
;;; Code:
(require 'lsp-mode)
(require 'f)
(defgroup lsp-typst nil
"Settings for the tinymist language server client for Typst."
:group 'lsp-mode
:link '(url "https://github.com/Myriad-Dreamin/tinymist")
:package-version '(lsp-typst . "1.0.0"))
(defcustom lsp-typst-server-command "tinymist"
"The binary or full path to binary which launches the server."
:type 'string
:group 'lsp-typst
:package-version '(lsp-typst . "1.0.0"))
(defcustom lsp-typst-server-command-args '("lsp")
"Command-line arguments for the tinymist LSP server."
:type '(repeat string)
:group 'lsp-typst
:package-version '(lsp-typst . "1.0.0"))
(defcustom lsp-typst-download-url
(format "https://github.com/Myriad-Dreamin/tinymist/releases/latest/download/tinymist-%s"
(let ((aarch64-p (string-match "^aarch64-.*" system-configuration)))
(pcase system-type
('gnu/linux (if aarch64-p "linux-arm64" "linux-x64"))
('darwin (if aarch64-p "darwin-arm64" "darwin-x64"))
('windows-nt (if aarch64-p "win32-arm64.exe" "win32-x64.exe")))))
"Automatic download URL for tinymist.
Out of the box, supports x86-64 GNU/Linux, Windows, and macOS. If you
are using Linux with musl, a non-aarch64 ARM architecture, or if you
want tinymist-preview, youll probably want to change this value."
:type 'string
:group 'lsp-typst
:package-version '(lsp-typst . "1.0.0"))
(defcustom lsp-typst-store-path (f-join lsp-server-install-dir
"tinymist"
(if (eq system-type 'windows-nt)
"tinymist.exe"
"tinymist"))
"The path to the file in which `tinymist' will be stored."
:type 'string
:group 'lsp-typst
:package-version '(lsp-typst . "1.0.0"))
;;;###autoload
(with-eval-after-load 'lsp-mode
(add-to-list 'lsp-language-id-configuration '(typst-ts-mode . "typst"))
(lsp-dependency 'typst
'(:system "typst")
`(:download :url lsp-typst-download-url
:store-path lsp-typst-store-path
:set-executable? t))
(lsp-register-client
(make-lsp-client :new-connection (lsp-stdio-connection
(lambda ()
(cons (or (executable-find lsp-typst-server-command)
(lsp-package-path 'typst)
"tinymist")
lsp-typst-server-command-args)))
:activation-fn (lsp-activate-on "typst")
:initialized-fn (lambda (workspace)
(with-lsp-workspace workspace
(lsp--set-configuration (lsp-configuration-section "typst"))))
:priority -1
:server-id 'typst
:download-server-fn (lambda (_client callback error-callback _update?)
(lsp-package-ensure 'typst callback error-callback)))))
(lsp-consistency-check lsp-typst)
(provide 'lsp-typst)
;;; lsp-typst.el ends here