feat: update config, docs, and add italics to more groups

README.md

@@ -7,7 +7,7 @@ _A modern Neovim port of a deftheme [adaptation][gruber-darker-theme] of an Emac
 
 ## Installation
 
-### Lazy
+### Lazy (recommended)
 
 ```lua
 { "blazkowolf/gruber-darker.nvim" }
@@ -25,7 +25,7 @@ use "blazkowolf/gruber-darker.nvim"
 Plug 'blazkowolf/gruber-darker.nvim'
 ```
 
-Then, somewhere in your `init.lua`, set the colorscheme like this
+Then, somewhere in your `init.lua`, set the colorscheme
 
 ```lua
 vim.cmd.colorscheme("GruberDarker")
@@ -33,17 +33,39 @@ vim.cmd.colorscheme("GruberDarker")
 
 ## Configuration
 
-Configuration options can be changed by calling `setup()`
-with your preferences prior to loading the colorscheme.
+### Defaults
 
 ```lua
--- Config defaults
-require("gruber-darker").setup({
+{
 	bold = true,
-  italic = true,
+	italic = {
+    strings = true,
+    comments = true,
+    operators = false,
+    folds = true,
+  },
 	underline = true,
-  comment_italics = true,
-})
+}
+```
+
+### With updated preferences
+
+Change configuration options by calling `setup()`
+prior to loading the colorscheme. Your preferences
+will be merged with the defaults.
+
+```lua
+{
+  "blazkowolf/gruber-darker.nvim",
+  config = function()
+    require("gruber-darker").setup({
+      bold = false,
+      italic = {
+        strings = false,
+      },
+    })
+  end
+}
 ```
 
 ## Credits

lua/gruber-darker/config.lua

@@ -1,15 +1,26 @@
+---@alias ItalicType
+---|"strings"
+---|"comments"
+---|"operators"
+---|"folds"
+
 ---@class GruberDarkerOpts
 ---@field bold boolean
----@field italic boolean
+---@field italic table<ItalicType, boolean>
+---@field undercurl boolean
 ---@field underline boolean
----@field comment_italics boolean
 
 ---@type GruberDarkerOpts
 local DEFAULTS = {
 	bold = true,
-	italic = true,
+	italic = {
+    strings = true,
+    comments = true,
+    operators = false,
+    folds = true,
+  },
+  -- undercurl = true,
 	underline = true,
-	comment_italics = true,
 }
 
 ---@class ConfigMgr

lua/gruber-darker/highlights/treesitter.lua

@@ -1,6 +1,6 @@
 local c = require("gruber-darker.palette")
 local opts = require("gruber-darker.config").get_opts()
-local vim_hl = require("gruber-darker.highlights.vim")
+local vim_hl = require("gruber-darker.highlights.vim").highlights
 local Highlight = require("gruber-darker.highlight")
 
 local M = {
@@ -24,8 +24,8 @@ end
 -- TSAnnotation        = Highlight.new("", { })    -- For C++/Dart attributes, annotations that can be attached to the code to denote some kind of meta information.
 -- TSAttribute         = Highlight.new("", { })    -- (unstable) TODO: docs
 M.highlights.boolean = Highlight.new("TSBoolean", { fg = c.default.quartz }) -- For booleans.
-M.highlights.character = Highlight.new("TSCharacter", { fg = c.default.green }) -- For characters.
-M.highlights.comment = Highlight.new("TSComment", { fg = c.default.brown }) -- For comment blocks.
+M.highlights.character = Highlight.new("TSCharacter", { link = vim_hl.character }) -- For characters.
+M.highlights.comment = Highlight.new("TSComment", { link = vim_hl.comment }) -- For comment blocks.
 -- TSNote = Highlight.new("TSNote", { fg = c.bg, bg = c.info })
 M.highlights.text_warning = Highlight.new("@text.warning", { fg = c.default.red })
 M.highlights.text_danger = Highlight.new("@text.danger", { fg = c.default.white, bg = c.default.red })
@@ -58,9 +58,9 @@ M.highlights.constant = Highlight.new("TSConstant", { fg = c.default.quartz }) -
 -- ["@punctuation.special"] = Highlight.new("", { fg = c.blue5 }) -- For special punctutation that does not fall in the catagories before.
 
 -- For keywords related to loops.
-M.highlights.repeats = Highlight.new("TSRepeat", { fg = c.default.yellow })
+M.highlights.repeats = Highlight.new("TSRepeat", { link = vim_hl.repeats })
 -- For strings.
-M.highlights.string = Highlight.new("TSString", { fg = c.default.green })
+M.highlights.string = Highlight.new("TSString", { link = vim_hl.string })
 -- ["@string.regex"] = Highlight.new("", { fg = c.blue6 }) -- For regexes.
 -- ["@string.escape"] = Highlight.new("", { fg = c.magenta }) -- For escape characters within a string.
 -- TSSymbol            = Highlight.new("", { })    -- For identifiers referring to symbols or atoms.
@@ -84,8 +84,8 @@ M.highlights.type = Highlight.new("TSType", { fg = c.default.quartz })
 ---Any URI like a link or email.
 M.highlights.uri = Highlight.new("TSURI", { fg = c.default.niagara, underline = opts.underline })
 
-M.highlights.text_diff_add = Highlight.new("@text.diff.add", { link = vim_hl.highlights.diff_add })
-M.highlights.text_diff_delete = Highlight.new("@text.diff.delete", { link = vim_hl.highlights.diff_delete })
-M.highlights.text_diff_change = Highlight.new("@text.diff.change", { link = vim_hl.highlights.diff_change })
+M.highlights.text_diff_add = Highlight.new("@text.diff.add", { link = vim_hl.diff_add })
+M.highlights.text_diff_delete = Highlight.new("@text.diff.delete", { link = vim_hl.diff_delete })
+M.highlights.text_diff_change = Highlight.new("@text.diff.change", { link = vim_hl.diff_change })
 
 return M

lua/gruber-darker/highlights/vim.lua

@@ -16,7 +16,7 @@ end
 
 ---any comment
 M.highlights.comment =
-	Highlight.new("Comment", { fg = c.default.brown, italic = opts.comment_italics and opts.italic })
+	Highlight.new("Comment", { fg = c.default.brown, italic = opts.italic.comments })
 ---used for the columns set with 'colorcolumn'
 M.highlights.color_column = Highlight.new("ColorColumn", { bg = c.default["bg+2"] })
 ---placeholder characters substituted for concealed text (see 'conceallevel')
@@ -42,7 +42,7 @@ M.highlights.diff_delete = Highlight.new("DiffDelete", { fg = c.default["red+1"]
 ---diff mode: Changed text within a changed line |diff.txt|
 M.highlights.diff_text = Highlight.new("DiffText", { fg = c.default.yellow, bg = c.default.none })
 ---filler lines (~) after the end of the buffer.  By default, this is highlighted like |hl-NonText|.
-M.highlights.end_of_buffer = Highlight.new("EndOfBuffer", { fg = c.default.fg, bg = c.default.bg })
+M.highlights.end_of_buffer = Highlight.new("EndOfBuffer", { fg = c.default["bg+4"], bg = c.default.none })
 ---cursor in a focused terminal
 M.highlights.term_cursor = Highlight.new("TermCursor", { bg = c.default.yellow })
 ---TermCursorNC= { }, ---cursor in an unfocused terminal
@@ -54,7 +54,7 @@ M.highlights.vert_split = Highlight.new("VertSplit", { fg = c.default["fg+2"], b
 ---the column separating vertically split windows
 M.highlights.win_separator = Highlight.new("WinSeparator", { fg = c.default["bg+2"], bold = opts.bold })
 ---line used for closed folds
-M.highlights.folded = Highlight.new("Folded", { fg = c.default.brown, bg = c.default["fg+2"], italic = true })
+M.highlights.folded = Highlight.new("Folded", { fg = c.default.brown, bg = c.default["fg+2"], italic = opts.italic.folds })
 ---'foldcolumn'
 M.highlights.fold_column = Highlight.new("FoldColumn", { fg = c.default.brown, bg = c.default["fg+2"] })
 ---column where |signs| are displayed
@@ -78,9 +78,9 @@ M.highlights.non_text = Highlight.new("NonText", { fg = c.default["fg+2"] })
 ---normal text
 M.highlights.normal = Highlight.new("Normal", { fg = c.default.fg, bg = c.default.bg })
 ---normal text in non-current windows
-M.highlights.normal_non_current = Highlight.new("NormalNC", { fg = c.default.fg, bg = c.default.bg })
+M.highlights.normal_non_current = Highlight.new("NormalNC", { fg = c.default.fg, bg = c.default["bg-1"] })
 ---normal text in sidebar
-M.highlights.normal_sidebar = Highlight.new("NormalSB", { fg = c.default.fg, bg = c.default.bg })
+M.highlights.normal_sidebar = Highlight.new("NormalSB", { fg = c.default.fg, bg = c.default["bg-1"] })
 ---Normal text in floating windows.
 M.highlights.normal_float = Highlight.new("NormalFloat", { fg = c.default.fg, bg = c.default.bg })
 M.highlights.float_border = Highlight.new("FloatBorder", { fg = c.default["bg+2"], bg = c.default["bg-1"] })
@@ -143,9 +143,9 @@ M.highlights.wild_menu = Highlight.new("WildMenu", { fg = c.default.black, bg =
 ---(preferred) any constant
 M.highlights.constant = Highlight.new("Constant", { fg = c.default.quartz })
 ---  a string constant: "this is a string"
-M.highlights.string = Highlight.new("String", { fg = c.default.green })
+M.highlights.string = Highlight.new("String", { fg = c.default.green, italic = opts.italic.strings })
 --- a character constant: 'c', '\n'
-M.highlights.character = Highlight.new("Character", { fg = c.default.green })
+M.highlights.character = Highlight.new("Character", { fg = c.default.green, italic = opts.italic.strings })
 ---  a number constant: 234, 0xff
 M.highlights.number = Highlight.new("Number", { fg = c.default.fg })
 --- a boolean constant: TRUE, false
@@ -165,7 +165,7 @@ M.highlights.repeats = Highlight.new("Repeat", { fg = c.default.yellow, bold = o
 ---case, default, etc.
 M.highlights.label = Highlight.new("Label", { fg = c.default.yellow, bold = opts.bold })
 ---"sizeof", "+", "*", etc.
-M.highlights.operator = Highlight.new("Operator", { fg = c.default.yellow })
+M.highlights.operator = Highlight.new("Operator", { fg = c.default.yellow, italic = opts.italic.operators })
 ---any other keyword
 M.highlights.keyword = Highlight.new("Keyword", { fg = c.default.yellow, bold = opts.bold })
 ---try, catch, throw
@@ -198,8 +198,8 @@ M.highlights.special = Highlight.new("Special", { fg = c.default.yellow })
 
 ---(preferred) text that stands out, HTML links
 M.highlights.underlined = Highlight.new("Underlined", { underline = opts.underline })
-M.highlights.bold = Highlight.new("Bold", { bold = opts.bold })
-M.highlights.italic = Highlight.new("Italic", { italic = opts.italic })
+M.highlights.bold = Highlight.new("Bold", { bold = true })
+M.highlights.italic = Highlight.new("Italic", { italic = true })
 ---("Ignore", below, may be invisible...)
 ---Ignore = Highlight.new("Ignore", { }) ---(preferred) left blank, hidden  |hl-Ignore|
 
@@ -214,10 +214,10 @@ M.highlights.md_code_block = Highlight.new("markdownCodeBlock", { fg = c.default
 ---markdownH1 = Highlight.new("markdownH1", { fg = c.magenta, bold = true })
 ---markdownH2 = Highlight.new("markdownH2", { fg = c.blue, bold = true })
 ---markdownLinkText = Highlight.new("markdownLinkText", { fg = c.blue, underline = true })
-M.highlights.md_italic = Highlight.new("markdownItalic", { fg = c.default.wisteria, italic = opts.italic })
+M.highlights.md_italic = Highlight.new("markdownItalic", { fg = c.default.wisteria, italic = true })
 M.highlights.md_bold = Highlight.new("markdownBold", { fg = c.default.yellow, bold = opts.bold })
 M.highlights.md_code_delim =
-	Highlight.new("markdownCodeDelimiter", { fg = c.default.brown, italic = opts.italic })
+	Highlight.new("markdownCodeDelimiter", { fg = c.default.brown, italic = true })
 M.highlights.md_error = Highlight.new("markdownError", { fg = c.default.fg, bg = c.default["bg+1"] })
 
 return M