mzte-nv: implement TypstWatch command

mzte-nv/conf/ftplugin/typst.fnl

@@ -1,3 +1,21 @@
 ;; Use 2-space indentation for typst
 (set vim.o.shiftwidth 2)
 (set vim.o.tabstop 2)
+
+(let [cb (fn [p]
+           (let [Terminal (. (require :toggleterm.terminal) :Terminal)
+                 lspc-util (require :lspconfig.util)
+                 file (vim.api.nvim_buf_get_name 0)
+                 outfile (.. :/tmp/
+                             (string.gsub (vim.fs.basename file) "%.typ$" :.pdf))
+                 root ((lspc-util.root_pattern :.typstroot) file)
+                 term (Terminal:new {:direction :horizontal
+                                     :cmd (if root
+                                              (.. "typst watch --root " root
+                                                  " " file " " outfile)
+                                              (.. "typst watch " file " "
+                                                  outfile))})]
+             (term:toggle)
+             (vim.uv.spawn :zathura {:args [outfile]}
+                           (fn [code signal] (term:shutdown)))))]
+  (vim.api.nvim_create_user_command :TypstWatch cb {:nargs 0}))

mzte-nv/conf/lua/pluginconf/p-tterm.fnl

@@ -1,3 +1,3 @@
 (local tterm (require :toggleterm))
 
-(tterm.setup {:size 64 :open_mapping :<C-t> :direction :vertical})
+(tterm.setup {:open_mapping :<C-t> :direction :vertical})