feat: add scope_highlight to wiki config

## Details

Adds `link.wiki.scope_highlight` option, `nil` by default. When set the
body of the wiki link will have the corresponding highlight group
applied to it.

Author: MeanderingProgrammer

README.md

@@ -775,6 +775,7 @@ require('render-markdown').setup({
                 return nil
             end,
             highlight = 'RenderMarkdownWikiLink',
+            scope_highlight = nil,
         },
         -- Define custom destination patterns so icons can quickly inform you of what a link
         -- contains. Applies to 'inline_link', 'uri_autolink', and wikilink nodes. When multiple
@@ -1503,6 +1504,7 @@ require('render-markdown').setup({
                 return nil
             end,
             highlight = 'RenderMarkdownWikiLink',
+            scope_highlight = nil,
         },
         -- Define custom destination patterns so icons can quickly inform you of what a link
         -- contains. Applies to 'inline_link', 'uri_autolink', and wikilink nodes. When multiple

doc/render-markdown.txt

@@ -841,6 +841,7 @@ Default Configuration ~
                     return nil
                 end,
                 highlight = 'RenderMarkdownWikiLink',
+                scope_highlight = nil,
             },
             -- Define custom destination patterns so icons can quickly inform you of what a link
             -- contains. Applies to 'inline_link', 'uri_autolink', and wikilink nodes. When multiple
@@ -1549,6 +1550,7 @@ Link Configuration ~
                     return nil
                 end,
                 highlight = 'RenderMarkdownWikiLink',
+                scope_highlight = nil,
             },
             -- Define custom destination patterns so icons can quickly inform you of what a link
             -- contains. Applies to 'inline_link', 'uri_autolink', and wikilink nodes. When multiple

lua/render-markdown/config/link.lua

@@ -25,6 +25,7 @@
 ---@field icon string
 ---@field body fun(ctx: render.md.link.Context): render.md.mark.Text|string?
 ---@field highlight string
+---@field scope_highlight? string
 
 ---@class (exact) render.md.link.custom.Config
 ---@field pattern string
@@ -74,6 +75,7 @@ M.default = {
             return nil
         end,
         highlight = 'RenderMarkdownWikiLink',
+        scope_highlight = nil,
     },
     -- Define custom destination patterns so icons can quickly inform you of what a link
     -- contains. Applies to 'inline_link', 'uri_autolink', and wikilink nodes. When multiple
@@ -118,6 +120,7 @@ function M.validate(spec)
         wiki:type('icon', 'string')
         wiki:type('body', 'function')
         wiki:type('highlight', 'string')
+        wiki:type('scope_highlight', { 'string', 'nil' })
         wiki:check()
     end)
     spec:nested('custom', function(patterns)

lua/render-markdown/health.lua

@@ -5,7 +5,7 @@ local state = require('render-markdown.state')
 local M = {}
 
 ---@private
-M.version = '8.7.5'
+M.version = '8.7.6'
 
 function M.check()
     M.start('versions')

lua/render-markdown/render/common/wiki.lua

@@ -54,6 +54,14 @@ function Render:run()
             virt_text = { icon },
             virt_text_pos = 'inline',
         })
+        -- apply scope highlight
+        local highlight = self.config.scope_highlight
+        if highlight then
+            self.marks:add('link', row, start_col, {
+                end_col = end_col,
+                hl_group = highlight,
+            })
+        end
         -- hide destination if there is an alias
         if alias then
             self:hide(start_col, #destination + 1)

lua/render-markdown/types.lua

@@ -216,6 +216,7 @@
 ---@field icon? string
 ---@field body? fun(ctx: render.md.link.Context): render.md.mark.Text|string?
 ---@field highlight? string
+---@field scope_highlight? string
 
 ---@class (exact) render.md.link.custom.UserConfig
 ---@field pattern? string