refactor: rename and move is_flutter_dependency_path method

Author: sidlatau

ftplugin/dart/init.lua

@@ -3,20 +3,12 @@ if vim.b.flutter_tools_did_ftplugin then return end
 vim.b.flutter_tools_did_ftplugin = 1
 
 require("flutter-tools.lsp").attach()
+local path = require("flutter-tools.utils.path")
 
 vim.opt_local.comments = [[sO:*\ -,mO:*\ \ ,exO:*/,s1:/*,mb:*,ex:*/,:///,://]]
 vim.opt_local.commentstring = [[//%s]]
 vim.opt.includeexpr = "v:lua.require('flutter-tools.resolve_url').resolve_url(v:fname)"
 
-local function is_nonmodifiable_path()
-  local path_parts = { [[.pub-cache]], [[Pub\Cache]], [[/fvm/versions/]] }
-  local full_path = vim.fn.expand("%:p")
-  if full_path then
-    for _, path_part in ipairs(path_parts) do
-      if full_path:find(path_part, nil, true) then return true end
-    end
-  end
-  return false
-end
+local full_path = vim.fn.expand("%:p")
 -- Prevent writes to files in the pub cache and FVM folder.
-if is_nonmodifiable_path() then vim.opt_local.modifiable = false end
+if path.is_flutter_dependency_path(full_path) then vim.opt_local.modifiable = false end

lua/flutter-tools/utils/path.lua

@@ -139,4 +139,14 @@ function M.get_absolute_path(input_path)
   end
 end
 
+function M.is_flutter_dependency_path(full_path)
+  local path_parts = { [[.pub-cache]], [[Pub\Cache]], [[/fvm/versions/]] }
+  if full_path then
+    for _, path_part in ipairs(path_parts) do
+      if full_path:find(path_part, nil, true) then return true end
+    end
+  end
+  return false
+end
+
 return M