feat: added excluded_filetypes option to avoid adding unwanted filetypes to the harpoon menu list.

README.md

@@ -146,6 +146,7 @@ require("harpoon").setup({
         save_on_toggle = false,
         save_on_change = true,
         enter_on_sendcmd = false,
+        excluded_filetypes = {"harpoon"}
     },
     ... your other configs ...
 })
@@ -159,6 +160,7 @@ require("harpoon").setup({
   what I have found).
 * `enter_on_sendcmd` will set harpoon to run the command immediately as it's
     passed to the terminal when calling `sendCommand`.
+* `excluded_filetypes` filetypes that you want to prevent from adding to the harpoon list menu.
 
 #### Preconfigured Terminal Commands
 These are project specific commands that you wish to execute on the regular.

lua/harpoon/init.lua

@@ -157,6 +157,7 @@ M.setup = function(config)
             ["save_on_toggle"] = false,
             ["save_on_change"] = true,
             ["enter_on_sendcmd"] = false,
+            ["excluded_filetypes"] = {"harpoon"}
         },
     }, expand_dir(
         c_config

lua/harpoon/mark.lua

@@ -115,6 +115,18 @@ local function validate_buf_name(buf_name)
     end
 end
 
+local function filter_filetype()
+    local current_filetype = vim.bo.filetype
+    local excluded_filetypes = harpoon.get_global_settings().excluded_filetypes
+    for filetype = 1, #excluded_filetypes do
+        if(current_filetype == excluded_filetypes[filetype] or current_filetype == "harpoon") then
+            log.error('filter_filetype(): This filetype cannot be added or is included in the "excluded_filetypes" option')
+            error('This filetype cannot be added or is included in the "excluded_filetypes" option')
+            return
+        end
+    end
+end
+
 M.get_index_of = function(item)
     log.trace("get_index_of():", item)
     if item == nil then
@@ -180,6 +192,7 @@ M.valid_index = function(idx)
 end
 
 M.add_file = function(file_name_or_buf_id)
+    filter_filetype();
     local buf_name = get_buf_name(file_name_or_buf_id)
     log.trace("add_file():", buf_name)
 
@@ -290,11 +303,13 @@ M.get_length = function()
 end
 
 M.set_current_at = function(idx)
+    filter_filetype()
     local buf_name = get_buf_name()
     log.trace("set_current_at(): Setting id", idx, buf_name)
     local config = harpoon.get_mark_config()
     local current_idx = M.get_index_of(buf_name)
 
+
     -- Remove it if it already exists
     if M.valid_index(current_idx) then
         config.marks[current_idx] = create_mark("")