Add option to disable italic styling

README.md

@@ -81,6 +81,7 @@ require('kanso').setup({
     keywordStyle = { italic = true},
     statementStyle = {},
     typeStyle = {},
+    disableItalics = false,
     transparent = false,         -- do not set background color
     dimInactive = false,         -- dim inactive window `:h hl-NormalNC`
     terminalColors = true,       -- define vim.g.terminal_color_{0,17}
@@ -233,7 +234,7 @@ require('kanso').setup({
     overrides = function(colors)
         return {
             -- Assign a static color to strings
-            String = { fg = colors.palette.carpYellow, italic = true },
+            String = { fg = colors.palette.carpYellow, italic = not config.disableItalics },
             -- theme colors will update dynamically when you change theme!
             SomePluginHl = { fg = colors.theme.syn.type, bold = true },
         }

lua/kanso/highlights/plugins.lua

@@ -62,7 +62,7 @@ function M.setup(colors, config)
         NvimTreeSymlink                      = { link = "Type" },
         NvimTreeFolderName                   = { link = "Directory" },
         NvimTreeExecFile                     = { fg = theme.syn.string, bold = true },
-        NvimTreeOpenedFile                   = { fg = theme.syn.special1, italic = true },
+        NvimTreeOpenedFile                   = { fg = theme.syn.special1, italic = not config.disableItalics },
         NvimTreeWinSeparator                 = { link = "WinSeparator" },
         NvimTreeWindowPicker                 = { bg = theme.ui.bg_m1, fg = theme.syn.special1, bold = true },
         -- NeoTree
@@ -456,7 +456,7 @@ function M.setup(colors, config)
         NeotestFile                          = { fg = theme.syn.fun, },
         NeotestFocused                       = { bold = true, underline = true, },
         NeotestIndent                        = { fg = theme.ui.special, bold = true, },
-        NeotestMarked                        = { fg = theme.diag.warning, italic = true, },
+        NeotestMarked                        = { fg = theme.diag.warning, italic = not config.disableItalics, },
         NeotestNamespace                     = { fg = theme.syn.fun, },
         NeotestPassed                        = { fg = theme.diag.ok },
         NeotestRunning                       = { fg = theme.vcs.changed, },

lua/kanso/highlights/syntax.lua

@@ -9,7 +9,8 @@ function M.setup(colors, config)
 
     return {
         -- *Comment	any comment
-        Comment = vim.tbl_extend("force", { fg = theme.syn.comment }, config.commentStyle),
+        Comment = vim.tbl_extend("force", { fg = theme.syn.comment }, config.disableItalics and {} or config
+        .commentStyle),
 
         -- *Constant	any constant
         Constant = { fg = theme.syn.constant },
@@ -37,7 +38,8 @@ function M.setup(colors, config)
         --  Operator	"sizeof", "+", "*", etc.
         Operator = { fg = theme.syn.operator },
         --  Keyword	any other keyword
-        Keyword = vim.tbl_extend("force", { fg = theme.syn.keyword }, config.keywordStyle),
+        Keyword = vim.tbl_extend("force", { fg = theme.syn.keyword }, config.disableItalics and {} or config
+            .keywordStyle),
         --  Exception	try, catch, throw
         Exception = { fg = theme.syn.special2 },
 
@@ -66,7 +68,7 @@ function M.setup(colors, config)
         -- *Underlined	text that stands out, HTML links
         Underlined = { fg = theme.syn.special1, underline = true },
         Bold = { bold = true },
-        Italic = { italic = true },
+        Italic = { italic = not config.disableItalics },
 
         -- *Ignore		left blank, hidden  |hl-Ignore|
         Ignore = { link = "NonText" },

lua/kanso/highlights/treesitter.lua

@@ -9,7 +9,7 @@ function M.setup(colors, config)
         -- @variable                       various variable names
         ["@variable"] = { fg = theme.ui.fg },
         -- @variable.builtin (Special)     built-in variable names (e.g. `this`, `self`)
-        ["@variable.builtin"] = { fg = theme.syn.special2, italic = true },
+        ["@variable.builtin"] = { fg = theme.syn.special2, italic = not config.disableItalics },
         -- @variable.parameter             parameters of a function
         ["@variable.parameter"] = { fg = theme.syn.parameter },
         -- @variable.parameter.builtin     special parameters (e.g. `_`, `it`)
@@ -77,7 +77,8 @@ function M.setup(colors, config)
         -- @keyword.modifier       keywords defining type modifiers (e.g. `const`, `static`, `public`)
         -- @keyword.repeat         keywords related to loops (e.g. `for`, `while`)
         -- @keyword.return         keywords like `return` and `yield`
-        ["@keyword.return"] = vim.tbl_extend("force", { fg = theme.syn.special3 }, config.keywordStyle),
+        ["@keyword.return"] = vim.tbl_extend("force", { fg = theme.syn.special3 },
+            config.disableItalics and {} or config.keywordStyle),
         -- @keyword.debug          keywords related to debugging
         -- @keyword.exception      keywords related to exceptions (e.g. `throw`, `catch`)
         ["@keyword.exception"] = vim.tbl_extend("force", { fg = theme.syn.special3 }, config.statementStyle),

lua/kanso/init.lua

@@ -17,6 +17,7 @@ M.config = {
     transparent = false,
     dimInactive = false,
     terminalColors = true,
+    disableItalics = false,
     colors = { theme = { zen = {}, pearl = {}, ink = {}, all = {} }, palette = {} },
     ---@type fun(colors: KansoColorsSpec): table<string, table>
     overrides = function()