feat(apply_patch): set the correct filetype for diff

Author: sudo-tee

lua/opencode/ui/formatter.lua

@@ -539,7 +539,8 @@ function M._format_apply_patch_tool(output, metadata, duration_text)
   for _, file in ipairs(metadata.files or {}) do
     M.format_action(output, icons.get('edit') .. ' apply patch', file.relativePath or file.filePath, duration_text)
     if config.ui.output.tools.show_output and file.diff then
-      M.format_diff(output, file.diff, '')
+      local file_type = file and util.get_markdown_filetype(file.filePath) or ''
+      M.format_diff(output, file.diff, file_type)
     end
   end
 end

lua/opencode/util.lua

@@ -368,6 +368,8 @@ function M.get_markdown_filetype(filename)
   local file_type_overrides = {
     javascriptreact = 'jsx',
     typescriptreact = 'tsx',
+    typescript = 'ts',
+    javascipt = 'js',
     sh = 'bash',
     yaml = 'yml',
     text = 'txt', -- nvim 0.12-nightly returns text as the type which breaks our unit tests