refactor: deprecate util.path.exists

Use `vim.uv.fs_stat` instead.

Work on neovim#2079.

.github/ci/run_sanitizer.sh

@@ -15,7 +15,7 @@ if git diff --pickaxe-all -U0 -G "${SEARCH_PATTERN}" "${REF_BRANCH}" "${PR_BRANC
   exit 1
 fi
 
-SEARCH_PATTERN='(util\.path\.dirname|util\.path\.sanitize)'
+SEARCH_PATTERN='(util\.path\.dirname|util\.path\.sanitize|util\.path\.exists)'
 
 if git diff --pickaxe-all -U0 -G "${SEARCH_PATTERN}" "${REF_BRANCH}" "${PR_BRANCH}" -- '*.lua' | grep -Ev '\.lua$' | grep -E "^\+.*${SEARCH_PATTERN}" ; then
   echo

lua/lspconfig/configs/eslint.lua

@@ -125,7 +125,7 @@ return {
       -- Support Yarn2 (PnP) projects
       local pnp_cjs = util.path.join(new_root_dir, '.pnp.cjs')
       local pnp_js = util.path.join(new_root_dir, '.pnp.js')
-      if util.path.exists(pnp_cjs) or util.path.exists(pnp_js) then
+      if vim.loop.fs_stat(pnp_cjs) or vim.loop.fs_stat(pnp_js) then
         config.cmd = vim.list_extend({ 'yarn', 'exec' }, config.cmd)
       end
     end,

lua/lspconfig/configs/foam_ls.lua

@@ -6,7 +6,7 @@ return {
     filetypes = { 'foam', 'OpenFOAM' },
     root_dir = function(fname)
       return util.search_ancestors(fname, function(path)
-        if util.path.exists(util.path.join(path, 'system', 'controlDict')) then
+        if vim.loop.fs_stat(util.path.join(path, 'system', 'controlDict')) then
           return path
         end
       end)

lua/lspconfig/configs/relay_lsp.lua

@@ -36,7 +36,7 @@ return {
       if config.path_to_config then
         config.path_to_config = vim.fs.normalize(config.path_to_config)
         local path_to_config = util.path.join(root_dir, config.path_to_config)
-        if util.path.exists(path_to_config) then
+        if vim.loop.fs_stat(path_to_config) then
           vim.list_extend(config.cmd, { config.path_to_config })
           vim.list_extend(compiler_cmd, { config.path_to_config })
         else

lua/lspconfig/configs/vdmj.lua

@@ -2,7 +2,7 @@ local util = require 'lspconfig.util'
 
 local function get_default_mavenrepo()
   local repo = util.path.join(vim.env.HOME, '.m2', 'repository', 'dk', 'au', 'ece', 'vdmj')
-  if util.path.exists(repo) then
+  if vim.loop.fs_stat(repo) then
     return repo
   else
     return util.path.join(vim.env.HOME, '.m2', 'repository', 'com', 'fujitsu')

lua/lspconfig/configs/volar.lua

@@ -91,7 +91,7 @@ local function get_typescript_server_path(root_dir)
   local found_ts = ''
   local function check_dir(path)
     found_ts =  util.path.join(path, 'node_modules', 'typescript', 'lib')
-    if util.path.exists(found_ts) then
+    if vim.uv.fs_stat(found_ts) then
       return path
     end
   end

lua/lspconfig/util.lua

@@ -102,23 +102,24 @@ M.path = (function()
     return path:gsub('([%[%]%?%*])', '\\%1')
   end
 
-  --- @param filename string
-  --- @return string|false
-  local function exists(filename)
-    local stat = uv.fs_stat(filename)
-    return stat and stat.type or false
-  end
-
   --- @param filename string
   --- @return boolean
   local function is_dir(filename)
-    return exists(filename) == 'directory'
+    local stat = uv.fs_stat(filename)
+    if not stat then
+      return false
+    end
+    return stat.type == 'directory'
   end
 
   --- @param filename string
   --- @return boolean
   local function is_file(filename)
-    return exists(filename) == 'file'
+    local stat = uv.fs_stat(filename)
+    if not stat then
+      return false
+    end
+    return stat.type == 'file'
   end
 
   --- @param path string
@@ -203,7 +204,6 @@ M.path = (function()
     is_dir = is_dir,
     is_file = is_file,
     is_absolute = is_absolute,
-    exists = exists,
     join = path_join,
     traverse_parents = traverse_parents,
     iterate_parents = iterate_parents,
@@ -246,7 +246,7 @@ function M.root_pattern(...)
     for _, pattern in ipairs(patterns) do
       local match = M.search_ancestors(startpath, function(path)
         for _, p in ipairs(vim.fn.glob(M.path.join(M.path.escape_wildcards(path), pattern), true, true)) do
-          if M.path.exists(p) then
+          if uv.fs_stat(p) then
             return path
           end
         end
@@ -395,10 +395,18 @@ function M.strip_archive_subpath(path)
   return path
 end
 
----@deprecated use `vim.fs.dirname` instead
+--- @deprecated use `vim.fs.dirname` instead
 M.dirname = vim.fs.dirname
 
 --- @deprecated use `vim.fs.normalize` instead
 M.sanitize = vim.fs.normalize
 
+--- @deprecated use `vim.loop.fs_stat` instead
+--- @param filename string
+--- @return string|false
+function M.exists(filename)
+  local stat = uv.fs_stat(filename)
+  return stat and stat.type or false
+end
+
 return M

test/lspconfig_spec.lua

@@ -26,32 +26,27 @@ describe('lspconfig', function()
       end)
       describe('exists', function()
         it('is present directory', function()
-          local lspconfig = require 'lspconfig'
-
           local cwd = vim.fn.getcwd()
-          eq(true, lspconfig.util.path.exists(cwd) ~= false)
+          eq(true, vim.uv.fs_stat(cwd) ~= nil)
         end)
 
         it('is not present directory', function()
-          local lspconfig = require 'lspconfig'
           local not_exist_dir = vim.fn.getcwd() .. '/not/exists'
-          eq(true, lspconfig.util.path.exists(not_exist_dir) == false)
+          eq(true, vim.uv.fs_stat(not_exist_dir) == nil)
         end)
 
         it('is present file', function()
-          local lspconfig = require 'lspconfig'
           -- change the working directory to test directory
           vim.api.nvim_command 'cd ./test/test_dir/'
           local file = vim.fn.getcwd() .. '/root_marker.txt'
-          eq(true, lspconfig.util.path.exists(file) ~= false)
+          eq(true, vim.uv.fs_stat(file) ~= nil)
         end)
 
         it('is not present file', function()
-          local lspconfig = require 'lspconfig'
           -- change the working directory to test directory
           vim.api.nvim_command 'cd ./test/test_dir/'
           local file = vim.fn.getcwd() .. '/not_exists.txt'
-          assert.is_false(lspconfig.util.path.exists(file))
+          assert.is_false(vim.uv.fs_stat(file) ~= nil)
         end)
       end)