feat: update disable_frontmatter config

CHANGELOG.md

@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## Unreleased
 
+- `disable_frontmatter` now can be a function to determine whether a note's frontmatter can be managed by obsidian.nvim or not.
+
 ### Added
 
 - Added `Client:update_ui()` method.

lua/obsidian/client.lua

@@ -87,6 +87,26 @@ Client.vault_relative_path = function(self, path)
   end
 end
 
+---Determines whether a note's frontmatter is managed by obsidian.nvim.
+---
+---@param note obsidian.Note
+---@return boolean
+Client.should_save_frontmatter = function(self, note)
+  if not note:should_save_frontmatter() then
+    return false
+  end
+  if self.opts.disable_frontmatter == nil then
+    return true
+  end
+  if type(self.opts.disable_frontmatter) == "boolean" then
+    return self.opts.disable_frontmatter == false
+  end
+  if type(self.opts.disable_frontmatter) == "function" then
+    return not self.opts.disable_frontmatter(self:vault_relative_path(note.path))
+  end
+  return true
+end
+
 ---@class obsidian.client.SearchOpts : obsidian.ABC
 ---@field sort boolean|?
 ---@field include_templates boolean|?
@@ -560,7 +580,7 @@ Client.new_note = function(self, title, id, dir, aliases)
   if self.opts.note_frontmatter_func ~= nil then
     frontmatter = self.opts.note_frontmatter_func(note)
   end
-  note:save(nil, not self.opts.disable_frontmatter, frontmatter)
+  note:save(nil, not self:should_save_frontmatter(note), frontmatter)
   log.info("Created note " .. tostring(note.id) .. " at " .. tostring(note.path))
 
   return note
@@ -631,7 +651,7 @@ Client._daily = function(self, datetime)
       if self.opts.note_frontmatter_func ~= nil then
         frontmatter = self.opts.note_frontmatter_func(note)
       end
-      note:save(nil, not self.opts.disable_frontmatter, frontmatter)
+      note:save(nil, not self:should_save_frontmatter(note), frontmatter)
     end
     log.info("Created note " .. tostring(note.id) .. " at " .. tostring(note.path))
   end

lua/obsidian/config.lua

@@ -13,7 +13,7 @@ local config = {}
 ---@field note_id_func function|?
 ---@field follow_url_func function|?
 ---@field note_frontmatter_func function|?
----@field disable_frontmatter boolean|?
+---@field disable_frontmatter (fun(fname: string?): boolean)|boolean|?
 ---@field backlinks obsidian.config.BacklinksOpts
 ---@field completion obsidian.config.CompletionOpts
 ---@field mappings obsidian.config.MappingOpts

lua/obsidian/init.lua

@@ -217,7 +217,7 @@ obsidian.setup = function(opts)
 
       local bufnr = ev.buf
       local note = obsidian.Note.from_buffer(bufnr, client.dir)
-      if not note:should_save_frontmatter() or client.opts.disable_frontmatter == true then
+      if not client:should_save_frontmatter(note) then
         return
       end