feat: make new capture groups work on Neovim 0.7

lua/tokyonight/treesitter.lua

@@ -0,0 +1,131 @@
+local M = {}
+
+-- new in 0.8 something
+local has_new_group_names = vim.fn.hlexists("@comment") ~= 0
+
+function M.get(group)
+  if group:sub(1, 1) ~= "@" or has_new_group_names then
+    return group
+  end
+
+  group = group:sub(2)
+
+  local lang
+  while group do
+    if M.fallbacks[group] then
+      return (lang or "") .. M.fallbacks[group]
+    end
+    group, lang = group:match("(.*)%.(.*)")
+  end
+end
+
+-- taken from https://github.com/nvim-treesitter/nvim-treesitter/blob/master/lua/nvim-treesitter/highlight.lua
+M.fallbacks = {
+  ["annotation"] = "TSAnnotation",
+
+  ["attribute"] = "TSAttribute",
+
+  ["boolean"] = "TSBoolean",
+
+  ["character"] = "TSCharacter",
+  ["character.special"] = "TSCharacterSpecial",
+
+  ["comment"] = "TSComment",
+
+  ["conditional"] = "TSConditional",
+
+  ["constant"] = "TSConstant",
+  ["constant.builtin"] = "TSConstBuiltin",
+  ["constant.macro"] = "TSConstMacro",
+
+  ["constructor"] = "TSConstructor",
+
+  ["debug"] = "TSDebug",
+  ["define"] = "TSDefine",
+
+  ["error"] = "TSError",
+  ["exception"] = "TSException",
+
+  ["field"] = "TSField",
+
+  ["float"] = "TSFloat",
+
+  ["function"] = "TSFunction",
+  ["function.call"] = "TSFunctionCall",
+  ["function.builtin"] = "TSFuncBuiltin",
+  ["function.macro"] = "TSFuncMacro",
+
+  ["include"] = "TSInclude",
+
+  ["keyword"] = "TSKeyword",
+  ["keyword.function"] = "TSKeywordFunction",
+  ["keyword.operator"] = "TSKeywordOperator",
+  ["keyword.return"] = "TSKeywordReturn",
+
+  ["label"] = "TSLabel",
+
+  ["method"] = "TSMethod",
+  ["method.call"] = "TSMethodCall",
+
+  ["namespace"] = "TSNamespace",
+
+  ["none"] = "TSNone",
+  ["number"] = "TSNumber",
+
+  ["operator"] = "TSOperator",
+
+  ["parameter"] = "TSParameter",
+  ["parameter.reference"] = "TSParameterReference",
+
+  ["preproc"] = "TSPreProc",
+
+  ["property"] = "TSProperty",
+
+  ["punctuation.delimiter"] = "TSPunctDelimiter",
+  ["punctuation.bracket"] = "TSPunctBracket",
+  ["punctuation.special"] = "TSPunctSpecial",
+
+  ["repeat"] = "TSRepeat",
+
+  ["storageclass"] = "TSStorageClass",
+
+  ["string"] = "TSString",
+  ["string.regex"] = "TSStringRegex",
+  ["string.escape"] = "TSStringEscape",
+  ["string.special"] = "TSStringSpecial",
+
+  ["symbol"] = "TSSymbol",
+
+  ["tag"] = "TSTag",
+  ["tag.attribute"] = "TSTagAttribute",
+  ["tag.delimiter"] = "TSTagDelimiter",
+
+  ["text"] = "TSText",
+  ["text.strong"] = "TSStrong",
+  ["text.emphasis"] = "TSEmphasis",
+  ["text.underline"] = "TSUnderline",
+  ["text.strike"] = "TSStrike",
+  ["text.title"] = "TSTitle",
+  ["text.literal"] = "TSLiteral",
+  ["text.uri"] = "TSURI",
+  ["text.math"] = "TSMath",
+  ["text.reference"] = "TSTextReference",
+  ["text.environment"] = "TSEnvironment",
+  ["text.environment.name"] = "TSEnvironmentName",
+
+  ["text.note"] = "TSNote",
+  ["text.warning"] = "TSWarning",
+  ["text.danger"] = "TSDanger",
+
+  ["todo"] = "TSTodo",
+
+  ["type"] = "TSType",
+  ["type.builtin"] = "TSTypeBuiltin",
+  ["type.qualifier"] = "TSTypeQualifier",
+  ["type.definition"] = "TSTypeDefinition",
+
+  ["variable"] = "TSVariable",
+  ["variable.builtin"] = "TSVariableBuiltin",
+}
+
+return M

lua/tokyonight/util.lua

@@ -1,3 +1,5 @@
+local ts = require("tokyonight.treesitter")
+
 local M = {}
 
 M.bg = "#000000"
@@ -28,6 +30,7 @@ end
 function M.darken(hex, amount, bg)
   return M.blend(hex, bg or M.bg, math.abs(amount))
 end
+
 function M.lighten(hex, amount, fg)
   return M.blend(hex, fg or M.fg, math.abs(amount))
 end
@@ -45,12 +48,10 @@ function M.invert_color(color)
   return color
 end
 
--- new in 0.8 something
-local has_new_group_names = vim.fn.hlexists("@comment") ~= 0
-
 ---@param group string
 function M.highlight(group, color)
-  if group:sub(1, 1) == "@" and not has_new_group_names then
+  group = ts.get(group)
+  if not group then
     return
   end
   local hl = { fg = color.fg, bg = color.bg, sp = color.sp, link = color.link }