feat: nvim-0.7 support + rework of utils

lua/catppuccin/core/integrations/native_lsp.lua

@@ -1,5 +1,5 @@
 local M = {}
-local util = require("catppuccin.utils.util")
+local ucolors = require("catppuccin.utils.colors")
 
 function M.get(cp)
 
@@ -20,11 +20,11 @@ function M.get(cp)
 		LspReferenceRead = { bg = cp.surface1 }, -- used for highlighting "read" references
 		LspReferenceWrite = { bg = cp.surface1 }, -- used for highlighting "write" references
 		-- hightlight diagnostics in numberline
-		DiagnosticError = { bg = util.darken(error, darkening_percentage, cp.base), fg = error, style = virtual_text.errors }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
+		DiagnosticError = { bg = ucolors.darken(error, darkening_percentage, cp.base), fg = error, style = virtual_text.errors }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
-		DiagnosticWarn = { bg = util.darken(warning, darkening_percentage, cp.base), fg = warning, style = virtual_text.warnings }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
+		DiagnosticWarn = { bg = ucolors.darken(warning, darkening_percentage, cp.base), fg = warning, style = virtual_text.warnings }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
-		DiagnosticInfo = { bg = util.darken(info, darkening_percentage, cp.base), fg = info, style = virtual_text.information }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
+		DiagnosticInfo = { bg = ucolors.darken(info, darkening_percentage, cp.base), fg = info, style = virtual_text.information }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
-		DiagnosticHint = { bg = util.darken(hint, darkening_percentage, cp.base), fg = hint, style = virtual_text.hints }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
+		DiagnosticHint = { bg = ucolors.darken(hint, darkening_percentage, cp.base), fg = hint, style = virtual_text.hints }, -- Used as the mantle highlight group. Other Diagnostic highlights link to this by default
-		-- util.
+		-- ucolors.
 
 		-- for nvim nightly
 		DiagnosticUnderlineError = { style = underlines.errors, sp = error },

lua/catppuccin/core/mapper.lua

@@ -1,5 +1,4 @@
-local colors_util = require("catppuccin.utils.colors")
+local ucolors = require("catppuccin.utils.colors")
-local util = require("catppuccin.utils.util")
 local cp
 
 local M = {}
@@ -10,7 +9,7 @@ local function get_properties()
 		background = "dark",
 	}
 
-	if colors_util.assert_brightness(cp.base) then
+	if ucolors.assert_brightness(cp.base) then
 		props["background"] = "light"
 	end
 
@@ -28,7 +27,12 @@ local function get_base()
 		lCursor = { fg = cp.base, bg = cp.text }, -- the character under the cursor when |language-mapping| is used (see 'guicursor')
 		CursorIM = { fg = cp.base, bg = cp.text }, -- like Cursor, but used when in IME mode |CursorIM|
 		CursorColumn = { bg = cp.mantle }, -- Screen-column at the cursor, when 'cursorcolumn' is secp.
-		CursorLine = { bg = colors_util.vary_color({latte = util.lighten(cp.mantle, 0.70, cp.base)}, util.darken(cp.surface0, 0.64, cp.base)) }, -- Screen-line at the cursor, when 'cursorline' is secp.  Low-priority if forecrust (ctermfg OR guifg) is not secp.
+		CursorLine = {
+			bg = ucolors.vary_color(
+				{ latte = ucolors.lighten(cp.mantle, 0.70, cp.base) },
+				ucolors.darken(cp.surface0, 0.64, cp.base)
+			),
+		}, -- Screen-line at the cursor, when 'cursorline' is secp.  Low-priority if forecrust (ctermfg OR guifg) is not secp.
 		Directory = { fg = cp.blue }, -- directory names (and other special names in listings)
 		EndOfBuffer = { fg = cp.base }, -- filler lines (~) after the end of the buffer.  By default, this is highlighted like |hl-NonText|.
 		ErrorMsg = { fg = cp.red, style = "bold,italic" }, -- error messages on the command line
@@ -38,7 +42,7 @@ local function get_base()
 		SignColumn = { bg = cnf.transparent_background and cp.none or cp.base, fg = cp.surface1 }, -- column where |signs| are displayed
 		SignColumnSB = { bg = cp.crust, fg = cp.surface1 }, -- column where |signs| are displayed
 		Substitute = { bg = cp.surface1, fg = cp.pink }, -- |:substitute| replacement text highlighting
-		LineNr = { fg = cp.surface1 }, -- colors_util.vary_color({latte = cp.crust}, cp.surface1) }, -- Line number for ":number" and ":#" commands, and when 'number' or 'relativenumber' option is secp.
+		LineNr = { fg = cp.surface1 }, -- ucolors.vary_color({latte = cp.crust}, cp.surface1) }, -- Line number for ":number" and ":#" commands, and when 'number' or 'relativenumber' option is secp.
 		CursorLineNr = { fg = cp.lavender }, -- Like LineNr when 'cursorline' or 'relativenumber' is set for the cursor line. highlights the number in numberline.
 		MatchParen = { fg = cp.peach, style = "bold" }, -- The character under the cursor or just before it, if it is a paired bracket, and its match. |pi_paren.txt|
 		ModeMsg = { fg = cp.text, style = "bold" }, -- 'showmode' message (e.g., "-- INSERT -- ")

lua/catppuccin/core/palettes/frappe.lua

@@ -19,7 +19,7 @@ local color_palette = {
 	blue = "#8CAAEE",
 	lavender = "#BABBF1",
 
-	text = "#C6D0F5",
+	text = "#D1D9F8",
 	subtext1 = "#B5BFE2",
 	subtext0 = "#A5ADCE",
 	overlay2 = "#949CBB",

lua/catppuccin/ui/cli.lua

@@ -0,0 +1,12 @@
+local M = {}
+
+function M.flavour_completion()
+	return vim.tbl_keys(require("catppuccin.utils.data").set_of({
+		"latte",
+		"frappe",
+		"macchiato",
+		"mocha",
+	}))
+end
+
+return M

lua/catppuccin/utils/colors.lua

@@ -1,6 +1,88 @@
 local M = {}
 
-local function color_is_bright(r, g, b)
+local hsluv = require("catppuccin.utils.hsluv")
+
+---@param hex_str string hexadecimal value of a color
+local hex_to_rgb = function(hex_str)
+	local hex = "[abcdef0-9][abcdef0-9]"
+	local pat = "^#(" .. hex .. ")(" .. hex .. ")(" .. hex .. ")$"
+	hex_str = string.lower(hex_str)
+
+	assert(string.find(hex_str, pat) ~= nil, "hex_to_rgb: invalid hex_str: " .. tostring(hex_str))
+
+	local red, green, blue = string.match(hex_str, pat)
+	return { tonumber(red, 16), tonumber(green, 16), tonumber(blue, 16) }
+end
+
+---@param fg string forecrust color
+---@param bg string background color
+---@param alpha number number between 0 and 1. 0 results in bg, 1 results in fg
+function M.blend(fg, bg, alpha)
+	bg = hex_to_rgb(bg)
+	fg = hex_to_rgb(fg)
+
+	local blendChannel = function(i)
+		local ret = (alpha * fg[i] + ((1 - alpha) * bg[i]))
+		return math.floor(math.min(math.max(0, ret), 255) + 0.5)
+	end
+
+	return string.format("#%02X%02X%02X", blendChannel(1), blendChannel(2), blendChannel(3))
+end
+
+function M.darken(hex, amount, bg)
+	return M.blend(hex, bg or M.bg, math.abs(amount))
+end
+
+function M.lighten(hex, amount, fg)
+	return M.blend(hex, fg or M.fg, math.abs(amount))
+end
+
+function M.brighten(color, percentage)
+	local hsl = hsluv.hex_to_hsluv(color)
+	local larpSpace = 100 - hsl[3]
+	if percentage < 0 then
+		larpSpace = hsl[3]
+	end
+	hsl[3] = hsl[3] + larpSpace * percentage
+	return hsluv.hsluv_to_hex(hsl)
+end
+
+function M.invertColor(color)
+	if color ~= "NONE" then
+		local hsl = hsluv.hex_to_hsluv(color)
+		hsl[3] = 100 - hsl[3]
+		if hsl[3] < 40 then
+			hsl[3] = hsl[3] + (100 - hsl[3]) * M.day_brightness
+		end
+		return hsluv.hsluv_to_hex(hsl)
+	end
+	return color
+end
+
+function M.string_to_color(colors, value, default)
+	if not value or value == "" then
+		return default
+	end
+
+	-- If the value is a hex color code then return it
+	local hex = "[abcdef0-9][abcdef0-9]"
+	local pat = "^#" .. hex .. hex .. hex .. "$"
+	if string.match(value, pat) then
+		return value
+	end
+
+	local acceptable_colors = { "black", "red", "green", "blue", "magenta", "cyan", "text", "orange", "pink" }
+	for _, ac in ipairs(acceptable_colors) do
+		if string.match(value, ac) then
+			return colors[value]
+		end
+	end
+
+	-- Did not match anything to return default
+	return default
+end
+
+function M.color_is_bright(r, g, b)
 	-- Counting the perceptive luminance - human eye favors green color
 	local luminance = (0.299 * r + 0.587 * g + 0.114 * b) / 255
 	if luminance > 0.5 then
@@ -20,7 +102,7 @@ function M.assert_brightness(color)
 	local g = M.hex2rgb(string.sub(hex, 3, 4))
 	local b = M.hex2rgb(string.sub(hex, 5, 6))
 
-	if color_is_bright(tonumber(r), tonumber(g), tonumber(b)) == true then
+	if M.color_is_bright(tonumber(r), tonumber(g), tonumber(b)) == true then
 		return true -- bright
 	end
 

lua/catppuccin/utils/data.lua

@@ -8,4 +8,13 @@ function M.set_of(list)
     return set
 end
 
+-- https://www.codegrepper.com/code-examples/lua/lua+split+string+on+comma
+function M.split(s, delimiter)
+    local result = {}
+    for match in (s..delimiter):gmatch("(.-)"..delimiter) do
+        table.insert(result, match)
+	end
+    return result
+end
+
 return M

lua/catppuccin/utils/util.lua

@@ -1,95 +1,33 @@
-local hsluv = require("catppuccin.utils.hsluv")
+local udata = require("catppuccin.utils.data")
 
 local g = vim.g
-local o = vim.o
-
 local util = {}
 
 util.bg = "#000000"
 util.fg = "#ffffff"
 util.day_brightness = 0.3
 
----@param hex_str string hexadecimal value of a color
+local has_nvim07 = vim.fn.has("nvim-0.7")
-local hex_to_rgb = function(hex_str)
-	local hex = "[abcdef0-9][abcdef0-9]"
-	local pat = "^#(" .. hex .. ")(" .. hex .. ")(" .. hex .. ")$"
-	hex_str = string.lower(hex_str)
-
-	assert(string.find(hex_str, pat) ~= nil, "hex_to_rgb: invalid hex_str: " .. tostring(hex_str))
-
-	local red, green, blue = string.match(hex_str, pat)
-	return { tonumber(red, 16), tonumber(green, 16), tonumber(blue, 16) }
-end
-
----@param fg string forecrust color
----@param bg string background color
----@param alpha number number between 0 and 1. 0 results in bg, 1 results in fg
-function util.blend(fg, bg, alpha)
-	bg = hex_to_rgb(bg)
-	fg = hex_to_rgb(fg)
-
-	local blendChannel = function(i)
-		local ret = (alpha * fg[i] + ((1 - alpha) * bg[i]))
-		return math.floor(math.min(math.max(0, ret), 255) + 0.5)
-	end
 
-	return string.format("#%02X%02X%02X", blendChannel(1), blendChannel(2), blendChannel(3))
+function util.highlight(group, color)
-end
+	if has_nvim07 then
-
+		if color.link then
-function util.darken(hex, amount, bg)
+			vim.api.nvim_set_hl(0, group, {
-	return util.blend(hex, bg or util.bg, math.abs(amount))
+				link = color.link,
-end
+			})
-
+		else
-function util.lighten(hex, amount, fg)
+			if color.style then
-	return util.blend(hex, fg or util.fg, math.abs(amount))
+				if color.style ~= "NONE" then
-end
+					for _, style in pairs(udata.split(color.style, ",")) do
-
+						color[style] = true
-function util.brighten(color, percentage)
-	local hsl = hsluv.hex_to_hsluv(color)
-	local larpSpace = 100 - hsl[3]
-	if percentage < 0 then
-		larpSpace = hsl[3]
-	end
-	hsl[3] = hsl[3] + larpSpace * percentage
-	return hsluv.hsluv_to_hex(hsl)
-end
-
-function util.invertColor(color)
-	if color ~= "NONE" then
-		local hsl = hsluv.hex_to_hsluv(color)
-		hsl[3] = 100 - hsl[3]
-		if hsl[3] < 40 then
-			hsl[3] = hsl[3] + (100 - hsl[3]) * util.day_brightness
-		end
-		return hsluv.hsluv_to_hex(hsl)
-	end
-	return color
-end
-
-function util.string_to_color(colors, value, default)
-	if not value or value == "" then
-		return default
-	end
-
-	-- If the value is a hex color code then return it
-	local hex = "[abcdef0-9][abcdef0-9]"
-	local pat = "^#" .. hex .. hex .. hex .. "$"
-	if string.match(value, pat) then
-		return value
 					end
-
-	local acceptable_colors = { "black", "red", "green", "blue", "magenta", "cyan", "text", "orange", "pink" }
-	for _, ac in ipairs(acceptable_colors) do
-		if string.match(value, ac) then
-			return colors[value]
 				end
 			end
 
-	-- Did not match anything to return default
+			color.style = nil
-	return default
+			vim.api.nvim_set_hl(0, group, color)
 		end
-
+	else
-function util.highlight(group, color)
 		-- Doc: :h highlight-gui
 		local style = color.style and "gui=" .. color.style or "gui=NONE"
 		local fg = color.fg and "guifg=" .. color.fg or "guifg=NONE"
@@ -97,12 +35,12 @@ function util.highlight(group, color)
 		local sp = color.sp and "guisp=" .. color.sp or ""
 		local blend = color.blend and "blend=" .. color.blend or ""
 		local hl = "highlight " .. group .. " " .. style .. " " .. fg .. " " .. bg .. " " .. sp .. " " .. blend
-
 		vim.cmd(hl)
 		if color.link then
 			vim.cmd("highlight! link " .. group .. " " .. color.link)
 		end
 	end
+end
 
 function util.syntax(tbl)
 	for group, colors in pairs(tbl) do