refactor: quick return

Author: kyoh86

lua/telescope/_extensions/gh_actions.lua

@@ -73,22 +73,18 @@ A.gh_issue_insert = function(prompt_bufnr)
 end
 
 A.gh_insert_markdown_link = function(prompt_bufnr)
+  if not (vim.api.nvim_buf_get_option(vim.api.nvim_get_current_buf(), "modifiable")) then
+    return
+  end
   local issue_number = close_telescope_prompt(prompt_bufnr)
-  local output = utils.get_os_command_output {
-    "gh",
-    "issue",
-    "view",
-    issue_number,
-    "--json",
-    "number,title,url",
-    "--template",
-    '{{printf "%.0f\\x1f%s\\x1f%s" .number .title .url}}',
+  local text = utils.get_os_command_output {
+    "gh", "issue", "view", issue_number,
+    "--json", "number,title,url",
+    "--template", '{{printf "%.0f\\x1f%s\\x1f%s" .number .title .url}}',
   }
-  if output then
-    local tmp_table = vim.split(output[1], "\x1f")
-    if vim.api.nvim_buf_get_option(vim.api.nvim_get_current_buf(), "modifiable") then
-      vim.api.nvim_put({ string.format("[%s (#%s)](%s)", tmp_table[2], tmp_table[1], tmp_table[3]) }, "b", true, true)
-    end
+  if text then
+    local tmp_table = vim.split(text[1], "\x1f")
+    vim.api.nvim_put({ string.format("[%s (#%s)](%s)", tmp_table[2], tmp_table[1], tmp_table[3]) }, "b", true, true)
   end
 end