refactor(#2826): move all winhl to appearance constants

lua/nvim-tree/appearance/init.lua

@@ -134,6 +134,29 @@ M.HIGHLIGHT_GROUPS = {
   { group = "NvimTreeDiagnosticHintFolderHL",  link = "NvimTreeDiagnosticHintFileHL" },
 }
 
+-- winhighlight for most cases
+M.WIN_HL = table.concat({
+  "EndOfBuffer:NvimTreeEndOfBuffer",
+  "CursorLine:NvimTreeCursorLine",
+  "CursorLineNr:NvimTreeCursorLineNr",
+  "LineNr:NvimTreeLineNr",
+  "WinSeparator:NvimTreeWinSeparator",
+  "StatusLine:NvimTreeStatusLine",
+  "StatusLineNC:NvimTreeStatuslineNC",
+  "SignColumn:NvimTreeSignColumn",
+  "Normal:NvimTreeNormal",
+  "NormalNC:NvimTreeNormalNC",
+  "NormalFloat:NvimTreeNormalFloat",
+  "FloatBorder:NvimTreeNormalFloatBorder",
+}, ",")
+
+-- winhighlight for help
+M.WIN_HL_HELP = table.concat({
+  "NormalFloat:NvimTreeNormalFloat",
+  "WinSeparator:NvimTreeWinSeparator",
+  "CursorLine:NvimTreeCursorLine",
+}, ",")
+
 -- nvim-tree highlight groups to legacy
 M.LEGACY_LINKS = {
   NvimTreeModifiedIcon = "NvimTreeModifiedFile",

lua/nvim-tree/explorer/view.lua

@@ -1,3 +1,4 @@
+local appearance = require("nvim-tree.appearance")
 local events = require("nvim-tree.events")
 local utils = require("nvim-tree.utils")
 local log = require("nvim-tree.log")
@@ -78,20 +79,7 @@ function View:new(args)
     cursorlineopt  = "both",
     colorcolumn    = "0",
     wrap           = false,
-    winhl          = table.concat({
+    winhl          = appearance.WIN_HL,
-      "EndOfBuffer:NvimTreeEndOfBuffer",
-      "CursorLine:NvimTreeCursorLine",
-      "CursorLineNr:NvimTreeCursorLineNr",
-      "LineNr:NvimTreeLineNr",
-      "WinSeparator:NvimTreeWinSeparator",
-      "StatusLine:NvimTreeStatusLine",
-      "StatusLineNC:NvimTreeStatuslineNC",
-      "SignColumn:NvimTreeSignColumn",
-      "Normal:NvimTreeNormal",
-      "NormalNC:NvimTreeNormalNC",
-      "NormalFloat:NvimTreeNormalFloat",
-      "FloatBorder:NvimTreeNormalFloatBorder",
-    }, ","),
   }
 
   self:configure_width(self.explorer.opts.view.width)
@@ -640,7 +628,7 @@ end
 function View:reset_winhl()
   local winnr = self:get_winnr()
   if winnr and vim.api.nvim_win_is_valid(winnr) then
-    vim.wo[self:get_winnr()].winhl = self.winopts.winhl
+    vim.wo[self:get_winnr()].winhl = appearance.WIN_HL
   end
 end
 

lua/nvim-tree/help.lua

@@ -1,3 +1,4 @@
+local appearance = require("nvim-tree.appearance")
 local keymap = require("nvim-tree.keymap")
 local api = {} -- circular dependency
 
@@ -5,12 +6,6 @@ local PAT_MOUSE = "^<.*Mouse"
 local PAT_CTRL = "^<C%-"
 local PAT_SPECIAL = "^<.+"
 
-local WIN_HL = table.concat({
-  "NormalFloat:NvimTreeNormalFloat",
-  "WinSeparator:NvimTreeWinSeparator",
-  "CursorLine:NvimTreeCursorLine",
-}, ",")
-
 local namespace_help_id = vim.api.nvim_create_namespace("NvimTreeHelp")
 
 local M = {
@@ -210,7 +205,7 @@ local function open()
   })
 
   -- style it a bit like the tree
-  vim.wo[M.winnr].winhl = WIN_HL
+  vim.wo[M.winnr].winhl = appearance.WIN_HL_HELP
   vim.wo[M.winnr].cursorline = M.config.cursorline
 
   local function toggle_sort()

lua/nvim-tree/renderer/components/full-name.lua

@@ -1,7 +1,7 @@
-local M = {}
+local appearance = require("nvim-tree.appearance")
-
 local utils = require("nvim-tree.utils")
-local view = require("nvim-tree.view")
+
+local M = {}
 
 local function hide(win)
   if win then
@@ -72,7 +72,7 @@ local function show(opts)
     style     = "minimal",
     border    = "none"
   })
-  vim.wo[M.popup_win].winhl = view.View.winopts.winhl
+  vim.wo[M.popup_win].winhl = appearance.WIN_HL
 
   local ns_id = vim.api.nvim_get_namespaces()["NvimTreeHighlights"]
   local extmarks = vim.api.nvim_buf_get_extmarks(0, ns_id, { line_nr - 1, 0 }, { line_nr - 1, -1 }, { details = true })