chore: add stylua to format the codebase, and run on CI (#1055)

lua/nvim-tree/explorer/common.lua

@@ -3,9 +3,7 @@ local uv = vim.loop
 local M = {}
 
 function M.has_one_child_folder(node)
-  return #node.nodes == 1
-    and node.nodes[1].nodes
-    and uv.fs_access(node.nodes[1].absolute_path, 'R')
+  return #node.nodes == 1 and node.nodes[1].nodes and uv.fs_access(node.nodes[1].absolute_path, "R")
 end
 
 return M

lua/nvim-tree/explorer/explore.lua

@@ -1,11 +1,11 @@
 local api = vim.api
 local uv = vim.loop
 
-local utils = require'nvim-tree.utils'
-local builders = require'nvim-tree.explorer.node-builders'
-local common = require'nvim-tree.explorer.common'
-local sorters = require"nvim-tree.explorer.sorters"
-local filters = require"nvim-tree.explorer.filters"
+local utils = require "nvim-tree.utils"
+local builders = require "nvim-tree.explorer.node-builders"
+local common = require "nvim-tree.explorer.common"
+local sorters = require "nvim-tree.explorer.sorters"
+local filters = require "nvim-tree.explorer.filters"
 
 local M = {}
 
@@ -14,19 +14,21 @@ local function get_type_from(type_, cwd)
 end
 
 local function populate_children(handle, cwd, node, status)
-  local node_ignored = node.git_status == '!!'
+  local node_ignored = node.git_status == "!!"
   while true do
     local name, t = uv.fs_scandir_next(handle)
-    if not name then break end
+    if not name then
+      break
+    end
 
-    local abs = utils.path_join({cwd, name})
+    local abs = utils.path_join { cwd, name }
     t = get_type_from(t, abs)
     if not filters.should_ignore(abs) and not filters.should_ignore_git(abs, status.files) then
-      if t == 'directory' and uv.fs_access(abs, 'R') then
+      if t == "directory" and uv.fs_access(abs, "R") then
         table.insert(node.nodes, builders.folder(abs, name, status, node_ignored))
-      elseif t == 'file' then
+      elseif t == "file" then
         table.insert(node.nodes, builders.file(abs, name, status, node_ignored))
-      elseif t == 'link' then
+      elseif t == "link" then
         local link = builders.link(abs, name, status, node_ignored)
         if link.link_to ~= nil then
           table.insert(node.nodes, link)
@@ -38,7 +40,7 @@ end
 
 local function get_dir_handle(cwd)
   local handle = uv.fs_scandir(cwd)
-  if type(handle) == 'string' then
+  if type(handle) == "string" then
     api.nvim_err_writeln(handle)
     return
   end
@@ -48,7 +50,9 @@ end
 function M.explore(node, status)
   local cwd = node.cwd or node.link_to or node.absolute_path
   local handle = get_dir_handle(cwd)
-  if not handle then return end
+  if not handle then
+    return
+  end
 
   populate_children(handle, cwd, node, status)
 

lua/nvim-tree/explorer/filters.lua

@@ -1,4 +1,4 @@
-local utils = require'nvim-tree.utils'
+local utils = require "nvim-tree.utils"
 
 local M = {
   ignore_list = {},
@@ -25,7 +25,7 @@ function M.should_ignore(path)
   end
 
   if M.config.filter_dotfiles then
-    if basename:sub(1, 1) == '.' then
+    if basename:sub(1, 1) == "." then
       return true
     end
   end
@@ -39,9 +39,9 @@ function M.should_ignore(path)
     return true
   end
 
-  local idx = path:match(".+()%.[^.]+$")
+  local idx = path:match ".+()%.[^.]+$"
   if idx then
-    if M.ignore_list['*'..string.sub(path, idx)] == true then
+    if M.ignore_list["*" .. string.sub(path, idx)] == true then
       return true
     end
   end
@@ -51,7 +51,7 @@ end
 
 function M.should_ignore_git(path, status)
   return M.config.filter_ignored
-    and (M.config.filter_git_ignored and status and status[path] == '!!')
+    and (M.config.filter_git_ignored and status and status[path] == "!!")
     and not is_excluded(path)
 end
 

lua/nvim-tree/explorer/init.lua

@@ -1,11 +1,11 @@
 local uv = vim.loop
 
-local git = require"nvim-tree.git"
+local git = require "nvim-tree.git"
 
 local M = {}
 
-M.explore = require"nvim-tree.explorer.explore".explore
-M.reload = require"nvim-tree.explorer.reload".reload
+M.explore = require("nvim-tree.explorer.explore").explore
+M.reload = require("nvim-tree.explorer.reload").reload
 
 local Explorer = {}
 Explorer.__index = Explorer
@@ -14,7 +14,7 @@ function Explorer.new(cwd)
   cwd = uv.fs_realpath(cwd or uv.cwd())
   local explorer = setmetatable({
     cwd = cwd,
-    nodes = {}
+    nodes = {},
   }, Explorer)
   explorer:_load(explorer)
   return explorer
@@ -31,8 +31,8 @@ function Explorer:expand(node)
 end
 
 function M.setup(opts)
-  require"nvim-tree.explorer.filters".setup(opts)
-  require"nvim-tree.explorer.sorters".setup(opts)
+  require("nvim-tree.explorer.filters").setup(opts)
+  require("nvim-tree.explorer.sorters").setup(opts)
 end
 
 M.Explorer = Explorer

lua/nvim-tree/explorer/node-builders.lua

@@ -1,13 +1,13 @@
 local uv = vim.loop
-local utils = require'nvim-tree.utils'
+local utils = require "nvim-tree.utils"
 
 local M = {
-  is_windows = vim.fn.has('win32') == 1
+  is_windows = vim.fn.has "win32" == 1,
 }
 
 function M.get_dir_git_status(parent_ignored, status, absolute_path)
   if parent_ignored then
-    return '!!'
+    return "!!"
   end
   local dir_status = status.dirs and status.dirs[absolute_path]
   local file_status = status.files and status.files[absolute_path]
@@ -15,7 +15,7 @@ function M.get_dir_git_status(parent_ignored, status, absolute_path)
 end
 
 function M.get_git_status(parent_ignored, status, absolute_path)
-  return parent_ignored and '!!' or status.files and status.files[absolute_path]
+  return parent_ignored and "!!" or status.files and status.files[absolute_path]
 end
 
 function M.folder(absolute_path, name, status, parent_ignored)
@@ -38,7 +38,7 @@ local function is_executable(absolute_path, ext)
   if M.is_windows then
     return utils.is_windows_exe(ext)
   end
-  return uv.fs_access(absolute_path, 'X')
+  return uv.fs_access(absolute_path, "X")
 end
 
 function M.file(absolute_path, name, status, parent_ignored)
@@ -63,7 +63,7 @@ function M.link(absolute_path, name, status, parent_ignored)
   --- I dont know if this is needed, because in my understanding, there isnt hard links in windows, but just to be sure i changed it.
   local link_to = uv.fs_realpath(absolute_path)
   local open, nodes
-  if (link_to ~= nil) and uv.fs_stat(link_to).type == 'directory' then
+  if (link_to ~= nil) and uv.fs_stat(link_to).type == "directory" then
     open = false
     nodes = {}
   end
@@ -71,7 +71,7 @@ function M.link(absolute_path, name, status, parent_ignored)
   return {
     absolute_path = absolute_path,
     git_status = M.get_git_status(parent_ignored, status, absolute_path),
-    group_next = nil,   -- If node is grouped, this points to the next child dir/link node
+    group_next = nil, -- If node is grouped, this points to the next child dir/link node
     link_to = link_to,
     name = name,
     nodes = nodes,

lua/nvim-tree/explorer/reload.lua

@@ -1,11 +1,11 @@
 local api = vim.api
 local uv = vim.loop
 
-local utils = require'nvim-tree.utils'
-local builders = require'nvim-tree.explorer.node-builders'
-local common = require'nvim-tree.explorer.common'
-local filters = require'nvim-tree.explorer.filters'
-local sorters = require'nvim-tree.explorer.sorters'
+local utils = require "nvim-tree.utils"
+local builders = require "nvim-tree.explorer.node-builders"
+local common = require "nvim-tree.explorer.common"
+local filters = require "nvim-tree.explorer.filters"
+local sorters = require "nvim-tree.explorer.sorters"
 
 local M = {}
 
@@ -33,34 +33,36 @@ end
 function M.reload(node, status)
   local cwd = node.cwd or node.link_to or node.absolute_path
   local handle = uv.fs_scandir(cwd)
-  if type(handle) == 'string' then
+  if type(handle) == "string" then
     api.nvim_err_writeln(handle)
     return
   end
 
   if node.group_next then
-    node.nodes = {node.group_next}
+    node.nodes = { node.group_next }
     node.group_next = nil
   end
 
   local child_names = {}
 
-  local node_ignored = node.git_status == '!!'
+  local node_ignored = node.git_status == "!!"
   local nodes_by_path = key_by(node.nodes, "absolute_path")
   while true do
     local name, t = uv.fs_scandir_next(handle)
-    if not name then break end
+    if not name then
+      break
+    end
 
-    local abs = utils.path_join({cwd, name})
+    local abs = utils.path_join { cwd, name }
     t = t or (uv.fs_stat(abs) or {}).type
     if not filters.should_ignore(abs) and not filters.should_ignore_git(abs, status.files) then
       child_names[abs] = true
       if not nodes_by_path[abs] then
-        if t == 'directory' and uv.fs_access(abs, 'R') then
+        if t == "directory" and uv.fs_access(abs, "R") then
           table.insert(node.nodes, builders.folder(abs, name, status, node_ignored))
-        elseif t == 'file' then
+        elseif t == "file" then
           table.insert(node.nodes, builders.file(abs, name, status, node_ignored))
-        elseif t == 'link' then
+        elseif t == "link" then
           local link = builders.link(abs, name, status, node_ignored)
           if link.link_to ~= nil then
             table.insert(node.nodes, link)
@@ -72,10 +74,10 @@ function M.reload(node, status)
 
   node.nodes = vim.tbl_map(
     update_status(nodes_by_path, node_ignored, status),
-    vim.tbl_filter(
-      function(n) return child_names[n.absolute_path] end,
-      node.nodes
-    ))
+    vim.tbl_filter(function(n)
+      return child_names[n.absolute_path]
+    end, node.nodes)
+  )
 
   local is_root = node.cwd ~= nil
   local child_folder_only = common.has_one_child_folder(node) and node.nodes[1]

lua/nvim-tree/explorer/sorters.lua

@@ -26,7 +26,7 @@ local function merge(t, first, mid, last, comparator)
   local j = 1
   local k = first
 
-  while (i <= n1 and j <= n2) do
+  while i <= n1 and j <= n2 do
     if comparator(ls[i], rs[j]) then
       t[k] = ls[i]
       i = i + 1
@@ -51,7 +51,9 @@ local function merge(t, first, mid, last, comparator)
 end
 
 local function split_merge(t, first, last, comparator)
-  if (last - first) < 1 then return end
+  if (last - first) < 1 then
+    return
+  end
 
   local mid = math.floor((first + last) / 2)
 
@@ -65,7 +67,7 @@ end
 ---@param comparator function|nil
 function M.merge_sort(t, comparator)
   if not comparator then
-    comparator = function (left, right)
+    comparator = function(left, right)
       return left < right
     end
   end