I love fixing typst-preview

common/nvim/init.lua

@@ -186,7 +186,14 @@ require('lazy').setup({
     lazy = false, -- or ft = 'typst'
     version = '1.*',
     opts = {
+      debug = true,
       open_cmd = 'firefox %s',
+
+      dependencies_bin = {
+        ['tinymist'] = "@tinymist@",
+        ['websocat'] = "@websocat@",
+      },
+
       port = 28282,
     }, -- lazy.nvim will implicitly calls `setup {}`
   },

common/nvim/nvim.nix

@@ -28,7 +28,11 @@
       viAlias = true;
       vimAlias = true;
 
-      extraLuaConfig = lib.fileContents ./init.lua;
+      extraLuaConfig =
+        builtins.replaceStrings
+          [ "@websocat@" "@tinymist@" ]
+          [ "${pkgs.websocat}/bin/websocat" "${pkgs.tinymist}/bin/tinymist" ]
+          (lib.fileContents ./init.lua);
     };
   };
 }