feat(main): add user defined condition before saving session

README.md

@@ -39,6 +39,7 @@ Persistence comes with the following defaults:
   -- Set to 0 to always save
   need = 1,
   branch = true, -- use git branch to save session
+  save_when = function() return true end, -- only save session if user defined function returns true
 }
 ```
 

doc/persistence.nvim.txt

@@ -58,6 +58,7 @@ Persistence comes with the following defaults:
       -- Set to 0 to always save
       need = 1,
       branch = true, -- use git branch to save session
+      save_when = function() return true end, -- only save session if user defined function returns true
     }
 <
 

lua/persistence/config.lua

@@ -7,6 +7,7 @@ local defaults = {
   -- Set to 0 to always save
   need = 1,
   branch = true, -- use git branch to save session
+  save_when = function() return true end, -- only save session if user defined function returns true
 }
 
 ---@type Persistence.Config

lua/persistence/init.lua

@@ -55,6 +55,10 @@ function M.start()
         end
       end
 
+      if not Config.options.save_when() then
+        return
+      end
+
       M.save()
       M.fire("SavePost")
     end,