feat: allow language name to be disabled

## Details

Request: #205

Adds `code.language_name` argument which when false will not render the
language name next to the icon. Defaults to true to keep current
behavior unchanged.

Author: MeanderingProgrammer

CHANGELOG.md

@@ -8,6 +8,8 @@
   [d20d19f](https://github.com/MeanderingProgrammer/render-markdown.nvim/commit/d20d19fa54965f6eb94558c0b84fe9a942169fb4)
 - `on.attach` buffer callback [8b4149b](https://github.com/MeanderingProgrammer/render-markdown.nvim/commit/8b4149b122cfbf58b79a552ae89b3df2ddc39786)
 - allow empty lists for all heading properties [0c6de74](https://github.com/MeanderingProgrammer/render-markdown.nvim/commit/0c6de743a8d3c61b87bc7db9ab97dcda12ca6818)
+- wiki link config & language highlight [#205](https://github.com/MeanderingProgrammer/render-markdown.nvim/issues/205)
+  [965c222](https://github.com/MeanderingProgrammer/render-markdown.nvim/commit/965c222076b2d289ed498730845d533780f3c7c7)
 
 ### Bug Fixes
 

README.md

@@ -290,6 +290,8 @@ require('render-markdown').setup({
         -- Amount of padding to add around the language
         -- If a floating point value < 1 is provided it is treated as a percentage of the available window space
         language_pad = 0,
+        -- Whether to include the language name next to the icon
+        language_name = true,
         -- A list of language names for which background highlighting will be disabled
         -- Likely because that language has background highlights itself
         disable_background = { 'diff' },
@@ -707,6 +709,8 @@ require('render-markdown').setup({
         -- Amount of padding to add around the language
         -- If a floating point value < 1 is provided it is treated as a percentage of the available window space
         language_pad = 0,
+        -- Whether to include the language name next to the icon
+        language_name = true,
         -- A list of language names for which background highlighting will be disabled
         -- Likely because that language has background highlights itself
         disable_background = { 'diff' },

doc/render-markdown.txt

@@ -339,6 +339,8 @@ Default Configuration ~
             -- Amount of padding to add around the language
             -- If a floating point value < 1 is provided it is treated as a percentage of the available window space
             language_pad = 0,
+            -- Whether to include the language name next to the icon
+            language_name = true,
             -- A list of language names for which background highlighting will be disabled
             -- Likely because that language has background highlights itself
             disable_background = { 'diff' },
@@ -750,6 +752,8 @@ Code Block Configuration ~
             -- Amount of padding to add around the language
             -- If a floating point value < 1 is provided it is treated as a percentage of the available window space
             language_pad = 0,
+            -- Whether to include the language name next to the icon
+            language_name = true,
             -- A list of language names for which background highlighting will be disabled
             -- Likely because that language has background highlights itself
             disable_background = { 'diff' },

lua/render-markdown/health.lua

@@ -4,7 +4,7 @@ local state = require('render-markdown.state')
 local M = {}
 
 ---@private
-M.version = '7.3.5'
+M.version = '7.3.6'
 
 function M.check()
     M.start('version')

lua/render-markdown/init.lua

@@ -130,6 +130,7 @@ local M = {}
 ---@field public style? render.md.code.Style
 ---@field public position? render.md.code.Position
 ---@field public language_pad? number
+---@field public language_name? boolean
 ---@field public disable_background? string[]
 ---@field public width? render.md.code.Width
 ---@field public left_margin? number
@@ -382,6 +383,8 @@ M.default_config = {
         -- Amount of padding to add around the language
         -- If a floating point value < 1 is provided it is treated as a percentage of the available window space
         language_pad = 0,
+        -- Whether to include the language name next to the icon
+        language_name = true,
         -- A list of language names for which background highlighting will be disabled
         -- Likely because that language has background highlights itself
         disable_background = { 'diff' },

lua/render-markdown/render/code.lua

@@ -116,9 +116,9 @@ function Render:language(add_background)
     if add_background then
         table.insert(highlight, self.code.highlight)
     end
+    local icon_text = icon .. ' '
     if self.code.position == 'left' then
-        local icon_text = icon .. ' '
-        if self.context:hidden(info) then
+        if self.code.language_name and self.context:hidden(info) then
             -- Code blocks will pick up varying amounts of leading white space depending on the
             -- context they are in. This gets lumped into the delimiter node and as a result,
             -- after concealing, the extmark will be left shifted. Logic below accounts for this.
@@ -130,7 +130,9 @@ function Render:language(add_background)
             virt_text_pos = 'inline',
         })
     elseif self.code.position == 'right' then
-        local icon_text = icon .. ' ' .. info.text
+        if self.code.language_name then
+            icon_text = icon_text .. info.text
+        end
         local win_col = self.data.max_width - self.data.language_padding
         if self.code.width == 'block' then
             win_col = win_col - str.width(icon_text) + self.data.indent

lua/render-markdown/state.lua

@@ -152,7 +152,7 @@ function M.validate()
         get_spec('paragraph'):type('enabled', 'boolean'):type({ 'left_margin', 'min_width' }, 'number'):check()
 
         get_spec('code')
-            :type({ 'enabled', 'sign' }, 'boolean')
+            :type({ 'enabled', 'sign', 'language_name' }, 'boolean')
             :type({ 'language_pad', 'left_margin', 'left_pad', 'right_pad', 'min_width' }, 'number')
             :type({ 'above', 'below', 'highlight', 'highlight_inline' }, 'string')
             :type('highlight_language', { 'string', 'nil' })

lua/render-markdown/types.lua

@@ -106,6 +106,7 @@
 ---@field public style render.md.code.Style
 ---@field public position render.md.code.Position
 ---@field public language_pad number
+---@field public language_name boolean
 ---@field public disable_background string[]
 ---@field public width render.md.code.Width
 ---@field public left_margin number