feat: add Neovim integrated terminal colors

lua/gruber-darker.lua

@@ -21,6 +21,9 @@ function M.load()
 
 	-- set highlights here...
 	local highlights = require("gruber-darker.hl")
+
+  highlights.setup()
+
 	for group, hl in pairs(highlights.groups) do
 		vim.api.nvim_set_hl(0, group, hl)
 	end

lua/gruber-darker/hl.lua

@@ -3,7 +3,42 @@ local config = require("gruber-darker.config").get_resolved_opts()
 
 local M = {}
 
-M.groups = {
+---Set Neovim terminal colors
+local function set_terminal_colors()
+	-- terminal colors adapted from
+	-- https://github.com/drsooch/gruber-darker-vim/blob/master/colors/GruberDarker.vim#L202
+  vim.g.terminal_color_0 = c.default["bg+1"]
+	vim.g.terminal_color_8 = c.default["bg+1"]
+
+	vim.g.terminal_color_1 = c.default["red+1"]
+	vim.g.terminal_color_9 = c.default["red+1"]
+
+	vim.g.terminal_color_2 = c.default.green
+	vim.g.terminal_color_10 = c.default.green
+
+	vim.g.terminal_color_3 = c.default.yellow
+	vim.g.terminal_color_11 = c.default.yellow
+
+	vim.g.terminal_color_4 = c.default.niagara
+	vim.g.terminal_color_12 = c.default.niagara
+
+	vim.g.terminal_color_5 = c.default.purple
+	vim.g.terminal_color_13 = c.default.purple
+
+	vim.g.terminal_color_6 = c.default.niagara
+	vim.g.terminal_color_14 = c.default.niagara
+
+	vim.g.terminal_color_7 = c.default.fg
+	vim.g.terminal_color_15 = c.default.fg
+
+	vim.g.terminal_color_background = c.default["bg+1"]
+	vim.g.terminal_color_foreground = c.default.white
+end
+
+function M.setup()
+	set_terminal_colors()
+
+	M.groups = {
 		Comment = { fg = c.default.brown, italic = config.comment_italics and config.italic }, -- any comment
 		ColorColumn = { bg = c.default["bg+2"] }, -- used for the columns set with 'colorcolumn'
 		Conceal = { fg = c.default.fg, bg = c.default.bg }, -- placeholder characters substituted for concealed text (see 'conceallevel')
@@ -66,7 +101,6 @@ M.groups = {
 		WarningMsg = { fg = c.default.red }, -- warning messages
 		Whitespace = { fg = c.default["bg+4"], bg = c.default.none }, -- "nbsp", "space", "tab" and "trail" in 'listchars'
 		WildMenu = { fg = c.default.black, bg = c.default.yellow }, -- current match in 'wildmenu' completion
-
 		-- These groups are not listed as default vim groups,
 		-- but they are defacto standard group names for syntax highlighting.
 		-- commented out groups should chain up to their "preferred" group by
@@ -79,10 +113,8 @@ M.groups = {
 		Number = { fg = c.default.fg }, --   a number constant: 234, 0xff
 		Boolean = { fg = c.default.yellow, bold = config.bold }, --  a boolean constant: TRUE, false
 		Float = { fg = c.default.yellow, bold = config.bold }, --    a floating point constant: 2.3e10
-
 		Identifier = { fg = c.default["fg+1"] }, -- (preferred) any variable name
 		Function = { fg = c.default.niagara }, -- function name (also: methods for classes)
-
 		Statement = { fg = c.default.yellow }, -- (preferred) any statement
 		Conditional = { fg = c.default.yellow, bold = config.bold }, --  if, then, else, endif, switch, etc.
 		Repeat = { fg = c.default.yellow, bold = config.bold }, --   for, do, while, etc.
@@ -90,18 +122,15 @@ M.groups = {
 		Operator = { fg = c.default.yellow }, -- "sizeof", "+", "*", etc.
 		Keyword = { fg = c.default.yellow, bold = config.bold }, --  any other keyword
 		Exception = { fg = c.default.yellow, bold = config.bold }, --  try, catch, throw
-
 		PreProc = { fg = c.default.quartz }, -- (preferred) generic Preprocessor
 		Include = { fg = c.default.quartz }, --  preprocessor #include
 		Define = { fg = c.default.quartz }, --   preprocessor #define
 		Macro = { fg = c.default.quartz }, --    same as Define
 		PreCondit = { fg = c.default.quartz }, --  preprocessor #if, #else, #endif, etc.
-
 		Type = { fg = c.default.quartz }, -- (preferred) int, long, char, etc.
 		StorageClass = { fg = c.default.yellow, bold = config.bold }, -- static, register, volatile, etc.
 		Structure = { fg = c.default.yellow, bold = config.bold }, --  struct, union, enum, etc.
 		Typedef = { fg = c.default.yellow, bold = config.bold }, --  A typedef
-
 		Special = { fg = c.default.yellow }, -- (preferred) any special symbol
 		-- SpecialChar   = { }, --  special character in a constant
 		-- Tag           = { }, --    you can use CTRL-] on this
@@ -112,13 +141,11 @@ M.groups = {
 		Underlined = { underline = config.underline }, -- (preferred) text that stands out, HTML links
 		Bold = { bold = config.bold },
 		Italic = { italic = config.italic },
-
 		-- ("Ignore", below, may be invisible...)
 		-- Ignore = { }, -- (preferred) left blank, hidden  |hl-Ignore|
 
 		-- Error = { fg = c.error }, -- (preferred) any erroneous construct
 		Todo = { fg = c.default.bg, bg = c.default.yellow }, -- (preferred) anything that needs extra attention; mostly the keywords TODO FIXME and XXX
-
 		markdownHeadingDelimiter = { fg = c.default.niagara, bold = config.bold },
 		markdownCode = { fg = c.default.green },
 		markdownCodeBlock = { fg = c.default.green },
@@ -129,7 +156,6 @@ M.groups = {
 		markdownBold = { fg = c.default.yellow, bold = config.bold },
 		markdownCodeDelimiter = { fg = c.default.brown, italic = config.italic },
 		markdownError = { fg = c.default.fg, bg = c.default["bg+1"] },
-
 		-- These groups are for the neovim tree-sitter highlights.
 		-- As of writing, tree-sitter support is a WIP, group names may change.
 		-- By default, most of these groups link to an appropriate Vim group,
@@ -194,7 +220,6 @@ M.groups = {
 		["@text.diff.add"] = { link = "DiffAdd" },
 		["@text.diff.delete"] = { link = "DiffDelete" },
 		["@text.diff.change"] = { link = "DiffChange" },
-
 		-- Cmp
 		-- CmpDocumentation = { link = "NormalFloat" },
 		-- CmpDocumentationBorder = { link = "FloatBorder" },
@@ -234,6 +259,7 @@ M.groups = {
 		-- CmpItemKindEnumMember = { fg = c.green1, bg = c.none },
 		-- CmpItemKindOperator = { fg = c.green1, bg = c.none },
 		-- CmpItemKindSnippet = { fg = c.dark5, bg = c.none },
-}
+	}
+end
 
 return M