feat: Add FirstDiagnostic and LastDiagnostic(#22)

Author: haorenW1025

lua/jumpLoc.lua

@@ -43,7 +43,7 @@ function M.get_prev_loc()
   return #M.location
 end
 
-function jumpToLocation(i)
+local function jumpToLocation(i)
   if i >= 1 and i <= #M.location then
     api.nvim_command("silent! ll"..i)
     M.openLineDiagnostics()
@@ -92,6 +92,22 @@ function M.jumpPrevLocationCycle()
   end
 end
 
+function M.jumpFirstLocation()
+  M.location = api.nvim_call_function('getloclist', {0})
+  jumpToLocation(1)
+  if #M.location == 0 then
+    return api.nvim_command("echohl WarningMsg | echo 'No diagnostics found' | echohl None")
+  end
+end
+
+function M.jumpLastLocation()
+  M.location = api.nvim_call_function('getloclist', {0})
+  jumpToLocation(#M.location)
+  if #M.location == 0 then
+    return api.nvim_command("echohl WarningMsg | echo 'No diagnostics found' | echohl None")
+  end
+end
+
 -- Open line diagnostics when jump
 -- Don't do anything if diagnostic_auto_popup_while_jump == 0
 -- NOTE need to delay a certain amount of time to show correctly

plugin/diagnostic.vim

@@ -8,6 +8,8 @@ command! PrevDiagnosticCycle lua require'jumpLoc'.jumpPrevLocationCycle()
 command! NextDiagnostic lua require'jumpLoc'.jumpNextLocation()
 command! NextDiagnosticCycle lua require'jumpLoc'.jumpNextLocationCycle()
 command! OpenDiagnostic lua require'jumpLoc'.openDiagnostics()
+command! FirstDiagnostic lua require'jumpLoc'.jumpFirstLocation()
+command! LastDiagnostic lua require'jumpLoc'.jumpLastLocation()
 
 " lua require'diagnostic'.modifyCallback()