neovim custom invero light-theme (#1)

Reviewed-on: #1
Co-authored-by: Tomas Mirchev <contact@tomastm.com>
Co-committed-by: Tomas Mirchev <contact@tomastm.com>

config/linux-dev/nvim/lua/themes/invero/colors.lua

@@ -0,0 +1,19 @@
+local M = {}
+
+function M.get(P)
+	local colors = {
+		base = P.white,
+		surface = P.gray_light,
+		outline = P.gray_dark,
+		text = P.black,
+		muted = P.gray,
+		accent = P.blue,
+		accent_light = P.blue_light,
+		syntax = P.slate_indigo,
+		none = "NONE",
+	}
+
+	return vim.tbl_extend("force", P, colors)
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/groups/editor.lua

@@ -0,0 +1,32 @@
+local M = {}
+
+function M.get(C)
+	return {
+		Normal = { fg = C.text, bg = C.none },
+		Directory = { fg = C.accent },
+		Question = { fg = C.text },
+		LineNr = { fg = C.muted },
+		CursorLineNr = { fg = C.accent, bold = true },
+		CursorLine = { bg = C.surface },
+		Visual = { bg = C.accent_light },
+
+		Search = { fg = C.yellow },
+		CurSearch = { fg = C.yellow, bg = C.none, bold = true },
+		IncSearch = { fg = C.yellow, bg = C.none, bold = true },
+
+		MatchParen = { fg = C.accent, bg = C.accent_light, bold = true },
+		EndOfBuffer = { fg = C.base }, -- End-of-buffer marker (~ lines)
+
+		WinSeparator = { fg = C.outline },
+		StatusLine = { fg = C.outline, bg = C.none }, -- Active statusline (where filename)
+		MsgArea = { fg = C.text, bg = C.none }, -- Command-line / message area
+		MsgSeparator = { fg = C.text, bg = C.surface }, -- Separator for messages
+		ModeMsg = { fg = C.text },
+
+		TabLine = { fg = C.muted }, -- Unselected tab
+		TabLineSel = { fg = C.text, bold = true }, -- Selected tab
+		TabLineFill = { bg = C.none }, -- Empty space in the tabline
+	}
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/groups/integrations/nvim-tree.lua

@@ -0,0 +1,7 @@
+local M = {}
+
+function M.get(C)
+	return {}
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/groups/integrations/telescope.lua

@@ -0,0 +1,9 @@
+local M = {}
+
+function M.get(C)
+	return {
+		TelescopeMatching = { fg = C.yellow, bg = C.none, bold = true },
+	}
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/groups/integrations/tree-sitter.lua

@@ -0,0 +1,20 @@
+local M = {}
+
+function M.get(C)
+	return {
+		["@constant.macro"] = { fg = C.syntax },
+		["@function.method"] = { fg = C.syntax },
+		["@type.qualifier"] = { fg = C.syntax },
+		["@variable.parameter"] = { fg = C.syntax },
+		["@variable"] = { fg = C.syntax },
+		["@type.definition"] = { fg = C.syntax },
+		["@markup.italic"] = { fg = C.syntax },
+		["@markup.strong"] = { fg = C.syntax },
+		["@markup.underline"] = { fg = C.syntax },
+		["@markup.strikethrough"] = { fg = C.syntax },
+
+		["@_jsx_attribute"] = { link = "Constant" },
+	}
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/groups/syntax.lua

@@ -0,0 +1,38 @@
+local M = {}
+
+function M.get(C)
+	return {
+		Comment = { fg = C.muted, italic = true },
+		String = { fg = C.green },
+		Boolean = { fg = C.accent, bold = true, italic = true },
+		Number = { fg = C.accent },
+
+		-- syntax color
+		Constant = { fg = C.syntax },
+		Function = { fg = C.syntax },
+		Type = { fg = C.syntax },
+		Statement = { fg = C.syntax },
+		Identifier = { fg = C.syntax },
+		Operator = { fg = C.syntax },
+		PreProc = { fg = C.syntax },
+		Special = { fg = C.syntax },
+		Delimiter = { fg = C.syntax },
+		Todo = { fg = C.syntax },
+		Title = { fg = C.syntax },
+		Underlined = { fg = C.syntax },
+
+		-- diffs
+		Added = { fg = C.green },
+		Removed = { fg = C.red },
+		Changed = { fg = C.yellow },
+
+		-- diagnostics
+		DiagnosticInfo = { fg = C.blue },
+		DiagnosticWarn = { fg = C.yellow },
+		DiagnosticError = { fg = C.red },
+		DiagnosticDeprecated = { fg = C.magenta },
+		DiagnosticUnderlineError = { fg = C.syntax, underline = true },
+	}
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/groups/terminal.lua

@@ -0,0 +1,31 @@
+local M = {}
+
+function M.get(C)
+  return {
+    terminal_color_0  = { fg = C.black },
+    terminal_color_8  = { fg = C.black },
+
+    terminal_color_1  = { fg = C.red },
+    terminal_color_9  = { fg = C.red },
+
+    terminal_color_2  = { fg = C.green },
+    terminal_color_10 = { fg = C.green },
+
+    terminal_color_3  = { fg = C.yellow },
+    terminal_color_11 = { fg = C.yellow },
+
+    terminal_color_4  = { fg = C.blue },
+    terminal_color_12 = { fg = C.blue },
+
+    terminal_color_5  = { fg = C.magenta },
+    terminal_color_13 = { fg = C.magenta },
+
+    terminal_color_6  = { fg = C.cyan },
+    terminal_color_14 = { fg = C.cyan },
+
+    terminal_color_7  = { fg = C.white },
+    terminal_color_15 = { fg = C.white },
+  }
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/init.lua

@@ -0,0 +1,14 @@
+local M = {
+	name = "invero",
+	variant = "light",
+	mode = "ansi",
+	exclude_integrations = {},
+}
+
+function M.load()
+	local setup = require("themes." .. M.name .. ".setup")
+	setup.reset(M)
+	setup.apply(M)
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/palette.lua

@@ -0,0 +1,53 @@
+local M = {}
+
+local modes = {
+	ansi = {
+		black = 0,
+		red = 1,
+		green = 2,
+		yellow = 3,
+		blue = 4,
+		magenta = 5,
+		cyan = 6,
+		white = 7,
+	},
+	default = {
+		black = 238,
+		red = 196,
+		green = 35,
+		yellow = 221,
+		blue = 27,
+		magenta = 125,
+		cyan = 30,
+		white = 255,
+	},
+}
+
+local shared_palette = {
+	gray_dark = 245,
+	gray = 247,
+	gray_light = 253,
+	orange = 166,
+	orange_light = 180,
+	yellow_light = 180,
+	blue_light = 153,
+	slate_indigo = 60,
+}
+
+---Get color palette
+---@param mode '"ansi"'|'"default"'
+---@return table
+function M.get(mode)
+	local mode_palette = modes[mode]
+	if not mode_palette then
+		vim.notify(
+			string.format('Invalid palette mode: "%s" (valid: ansi, default)', tostring(mode)),
+			vim.log.levels.WARN,
+			{ title = "palette" }
+		)
+		mode_palette = modes.default
+	end
+	return vim.tbl_extend("force", mode_palette, shared_palette)
+end
+
+return M

config/linux-dev/nvim/lua/themes/invero/setup.lua

@@ -0,0 +1,72 @@
+local M = {}
+
+function M.reset(theme)
+	vim.opt.background = (theme.variant == "light") and "light" or "dark"
+	vim.g.colors_name = theme.name
+end
+
+local function list_integrations(theme_name)
+	local path = vim.fn.stdpath("config") .. "/lua/themes/" .. theme_name .. "/groups/integrations/"
+
+	local files = {}
+	for name, type in vim.fs.dir(path) do
+		if type == "file" then
+			local mod_name = vim.fn.fnamemodify(name, ":r")
+			table.insert(files, mod_name)
+		end
+	end
+	return files
+end
+
+function M.apply(theme)
+	local base = "themes." .. theme.name
+	local P = require(base .. ".palette").get(theme.mode)
+	local C = require(base .. ".colors").get(P)
+
+	local modules = {
+		require(base .. ".groups.editor"),
+		require(base .. ".groups.syntax"),
+		require(base .. ".groups.terminal"),
+	}
+
+	local exclude = theme.exclude_integrations or {}
+
+	local function should_load(name)
+		return not vim.tbl_contains(exclude, name)
+	end
+
+	-- auto-discover integrations
+	for _, plugin in ipairs(list_integrations(theme.name)) do
+		if should_load(plugin) then
+			local ok_mod, mod = pcall(require, base .. ".groups.integrations." .. plugin)
+			if ok_mod then
+				table.insert(modules, mod)
+			end
+		end
+	end
+
+	-- Apply highlights
+	for _, mod in ipairs(modules) do
+		local groups = mod.get(C) or {}
+		for group, opts in pairs(groups) do
+			if type(opts) ~= "table" then
+				print("Non-table opts detected in group:", group, "value:", vim.inspect(opts))
+			end
+			local hl = {}
+
+			for k, v in pairs(opts) do
+				if k == "fg" then
+					hl.ctermfg = v
+				elseif k == "bg" then
+					hl.ctermbg = v
+				else
+					hl[k] = v -- bold, italic, underline, sp, etc.
+				end
+			end
+
+			vim.api.nvim_set_hl(0, group, hl)
+		end
+	end
+end
+
+return M