make typst live editing and preview a thing

modules/desktop/default.nix

@@ -183,6 +183,9 @@ in
         oneko
 
         plover.dev
+
+        mupdf
+        inotify-tools
       ];
       xsession = {
         enable = true;

modules/shell/helix.nix

@@ -1,5 +1,12 @@
 {config, ...}: {
-  home-manager.users.jade = {pkgs, ...}: {
+  home-manager.users.jade = {pkgs, ...}: let
+    typstGrammar = pkgs.fetchFromGitHub {
+      owner = "uben0";
+      repo = "tree-sitter-typst";
+      rev = "baddc325e858afff90501dbefa00ecfa28528931";
+      sha256 = "sha256-XZAgnpb1B8EZ2WXPj/JYSZGsmpKsnDiBFCDF0XjunOM";
+    };
+  in {
     home = {
       sessionVariables.EDITOR = "hx";
       packages = [
@@ -7,15 +14,28 @@
         pkgs.vscode-langservers-extracted
         pkgs.nodePackages.typescript-language-server
         pkgs.emmet-language-server
+        pkgs.typst-lsp
       ];
     };
+    home.file = {
+      ".config/helix/runtime/queries" = {
+        source = "${typstGrammar}/queries";
+      };
+    };
     programs.helix = {
       enable = true;
       settings = {
         theme = "gruvbox";
         editor = {
           line-number = "relative";
-          lsp.display-messages = true;
+          bufferline = "multiple";
+          color-modes = true;
+          lsp = {
+            display-messages = true;
+            display-inlay-hints = true;
+          };
+          shell = ["nu" "-c"];
+          idle-timeout = 0;
           indent-guides = {
             render = true;
             character = "│";
@@ -38,16 +58,29 @@
         };
       };
       languages = {
-        language-server."nu-builtin-lsp" = {
+        language-server = {
+          "nu-builtin-lsp" = {
             command = "${config.users.defaultUserShell}/bin/nu";
             args = ["--lsp"];
           };
-        language-server."rust-analyzer" = {
+          "rust-analyzer" = {
             config = {
               check.command = "clippy";
+              completion.snippets.custom = {
+                "pub fn" = {
+                  prefix = ["pfn" "pubfn"];
+                  postfix = ["pfn"];
+                  body = [
+                    "pub fn $\{receiver\}() {"
+                    "\\t$1"
+                    "}"
+                  ];
+                  scope = "type";
                 };
               };
-        language-server."emmet-language-server" = {
+            };
+          };
+          "emmet-language-server" = {
             command = "emmet-language-server";
             args = ["--stdio"];
           };
@@ -59,11 +92,52 @@
           #     args = ["--language-server"];
           #   };
           # };
+          "typst-lsp" = {
+            command = "typst-lsp";
+            config = {
+              exportPdf = "onType";
+            };
+          };
+        };
+        grammar = [
+          {
+            name = "typst";
+            source = {
+              git = "https://github.com/uben0/tree-sitter-typst";
+              rev = "baddc325e858afff90501dbefa00ecfa28528931";
+              # path = "${typstGrammar}";
+            };
+          }
+        ];
         language = [
           {
             name = "nu";
             language-servers = ["nu-builtin-lsp"];
           }
+          {
+            name = "typst";
+            scope = "source.typst";
+            file-types = ["typ" "typst"];
+            injection-regex = "typ(st)?";
+            comment-token = "//";
+            indent = {
+              tab-width = 2;
+              unit = "  ";
+            };
+            roots = ["typst.toml"];
+            formatter = {
+              command = "${pkgs.typstfmt}/bin/typstfmt";
+            };
+            auto-format = true;
+            language-servers = ["typst-lsp"];
+            auto-pairs = {
+              "(" = ")";
+              "{" = "}";
+              "[" = "]";
+              "$" = "$";
+              "\"" = "\"";
+            };
+          }
           {
             name = "nix";
             formatter = {

other/config.nu

@@ -803,18 +803,15 @@ def glog [
 ] {
     git log --pretty=%h»¦«%s»¦«%aN»¦«%aE»¦«%aD -n $amount 
     | lines 
-    | split column "»¦«" commit subject name email date
+    | split column "»¦«u commit subject name email date"
 }
 
-def ed [ 
-    file: path 
-    ...cmdargs: string
+def typed [
+    name: string
 ] {
-    let ext = $file | path parse | get extension;
-    match $ext {
-        "typ" => {|| zellij run --direction down -- typst watch $file ($cmdargs | prepend '--open' | str join ' ') }
-    };
-    hx $file
+    touch $"($name).typ"
+    typst compile $"($name).typ"
+    mprocs --names Editor,Viewer,Notify $"hx '($name).typ'" $"mupdf-x11 '($name).pdf'" $"while inotifywait -e modify '($name).pdf' ; do pkill -HUP mupdf; done"
 }
 
 alias gnix = cd ~/nix-configs;