expose each variant as individual theme

ref #98

colors/rose-pine-dawn.lua

@@ -0,0 +1 @@
+require('rose-pine').colorscheme({ variant = 'dawn' })

colors/rose-pine-main.lua

@@ -0,0 +1 @@
+require('rose-pine').colorscheme({ variant = 'main' })

colors/rose-pine-moon.lua

@@ -0,0 +1 @@
+require('rose-pine').colorscheme({ variant = 'moon' })

lua/rose-pine/config.lua

@@ -31,7 +31,8 @@ local M = {}
 ---@field h6 string
 
 ---@class Config
----@field dark_variant 'main'|'moon'
+---@field variant 'auto'|'main'|'moon'|'dawn'
+---@field dark_variant 'main'|'moon'|'dawn'
 ---@field bold_vert_split boolean
 ---@field dim_nc_background boolean
 ---@field disable_background boolean
@@ -40,6 +41,7 @@ local M = {}
 ---@field groups Groups
 ---@field highlight_groups table<string, any>
 local defaults = {
+	variant = 'auto',
 	dark_variant = 'main',
 	bold_vert_split = false,
 	dim_nc_background = false,

lua/rose-pine/palette.lua

@@ -60,5 +60,15 @@ local variants = {
 	},
 }
 
+if options.variant == 'main' then
+	return variants.main
+end
+if options.variant == 'moon' then
+	return variants.moon
+end
+if options.variant == 'dawn' then
+	return variants.dawn
+end
+
 return vim.o.background == 'light' and variants.dawn
 	or variants[options.dark_variant or 'main']

readme.md

@@ -65,7 +65,9 @@ Variant respects `vim.o.background`, using dawn when light and `dark_variant` wh
 
 ```lua
 require('rose-pine').setup({
-	--- @usage 'main' | 'moon'
+	--- @usage 'auto'|'main'|'moon'|'dawn'
+	variant = 'auto',
+	--- @usage 'main'|'moon'|'dawn'
 	dark_variant = 'main',
 	bold_vert_split = false,
 	dim_nc_background = false,