fix(preview): update mime-type check for json files (#2221) (#2480)

lua/telescope/previewers/buffer_previewer.lua

@@ -192,8 +192,8 @@ previewers.file_maker = function(filepath, bufnr, opts)
  if opts.preview.check_mime_type == true and has_file and opts.ft == "" then
  -- avoid SIGABRT in buffer previewer happening with utils.get_os_command_output
  local output = capture(string.format([[file --mime-type -b "%s"]], filepath))
- local mime_type = vim.split(output, "/")[1]
- if mime_type ~= "text" and mime_type ~= "inode" then
+ local mime_type = vim.split(output, "/")
+ if mime_type[1] ~= "text" and mime_type[1] ~= "inode" and mime_type[2] ~= "json" then
  if type(opts.preview.mime_hook) == "function" then
  vim.schedule_wrap(opts.preview.mime_hook)(filepath, bufnr, opts)
  else
@@ -206,6 +206,9 @@ previewers.file_maker = function(filepath, bufnr, opts)
  end
  return
  end
+ if mime_type[2] == "json" then
+ opts.ft = "json"
+ end
  end
 
  if opts.preview.filesize_limit then