Move text object to autoload directory

autoload/text_obj.vim

@@ -0,0 +1,54 @@
+function! text_obj#URL() abort
+  if match(&runtimepath, 'vim-highlighturl') != -1
+    " Note that we use https://github.com/itchyny/vim-highlighturl to get the URL pattern.
+    let url_pattern = highlighturl#default_pattern()
+  else
+    let url_pattern = expand('<cfile>')
+    " Since expand('<cfile>') also works for normal words, we need to check if
+    " this is really URL using heuristics, e.g., URL length.
+    if len(url_pattern) <= 10
+      return
+    endif
+  endif
+
+  " We need to find all possible URL on this line and their start, end idx.
+  " Then find where current cursor is, and decide if cursor is on one of the
+  " URLs.
+  let line_text = getline('.')
+  let url_infos = []
+
+  let [_url, _idx_start, _idx_end] = matchstrpos(line_text, url_pattern)
+  while _url !=# ''
+    let url_infos += [[_url, _idx_start+1, _idx_end]]
+    let [_url, _idx_start, _idx_end] = matchstrpos(line_text, url_pattern, _idx_end)
+  endwhile
+
+  " echo url_infos
+  " If no URL is found, do nothing.
+  if len(url_infos) == 0
+    return
+  endif
+
+  let [start_col, end_col] = [-1, -1]
+  " If URL is found, find if cursor is on it.
+  let [buf_num, cur_row, cur_col] = getcurpos()[0:2]
+  for url_info in url_infos
+    " echo url_info
+    let [_url, _idx_start, _idx_end] = url_info
+    if cur_col >= _idx_start && cur_col <= _idx_end
+      let start_col = _idx_start
+      let end_col = _idx_end
+      break
+    endif
+  endfor
+
+  " Cursor is not on a URL, do nothing.
+  if start_col == -1
+    return
+  endif
+
+  " Now set the '< and '> mark
+  call setpos("'<", [buf_num, cur_row, start_col, 0])
+  call setpos("'>", [buf_num, cur_row, end_col, 0])
+  normal! gv
+endfunction

core/mappings.vim

@@ -211,61 +211,6 @@ nnoremap <Right> <C-W>l
 nnoremap <Up> <C-W>k
 nnoremap <Down> <C-W>j
 
-xnoremap <silent> iu :<C-U>call <SID>URLTextObj()<CR>
-onoremap <silent> iu :<C-U>call <SID>URLTextObj()<CR>
-
-function! s:URLTextObj() abort
-  if match(&runtimepath, 'vim-highlighturl') != -1
-    " Note that we use https://github.com/itchyny/vim-highlighturl to get the URL pattern.
-    let url_pattern = highlighturl#default_pattern()
-  else
-    let url_pattern = expand('<cfile>')
-    " Since expand('<cfile>') also works for normal words, we need to check if
-    " this is really URL using heuristics, e.g., URL length.
-    if len(url_pattern) <= 10
-      return
-    endif
-  endif
-
-  " We need to find all possible URL on this line and their start, end idx.
-  " Then find where current cursor is, and decide if cursor is on one of the
-  " URLs.
-  let line_text = getline('.')
-  let url_infos = []
-
-  let [_url, _idx_start, _idx_end] = matchstrpos(line_text, url_pattern)
-  while _url !=# ''
-    let url_infos += [[_url, _idx_start+1, _idx_end]]
-    let [_url, _idx_start, _idx_end] = matchstrpos(line_text, url_pattern, _idx_end)
-  endwhile
-
-  " echo url_infos
-  " If no URL is found, do nothing.
-  if len(url_infos) == 0
-    return
-  endif
-
-  let [start_col, end_col] = [-1, -1]
-  " If URL is found, find if cursor is on it.
-  let [buf_num, cur_row, cur_col] = getcurpos()[0:2]
-  for url_info in url_infos
-    " echo url_info
-    let [_url, _idx_start, _idx_end] = url_info
-    if cur_col >= _idx_start && cur_col <= _idx_end
-      let start_col = _idx_start
-      let end_col = _idx_end
-      break
-    endif
-  endfor
-
-  " Cursor is not on a URL, do nothing.
-  if start_col == -1
-    return
-  endif
-
-  " Now set the '< and '> mark
-  call setpos("'<", [buf_num, cur_row, start_col, 0])
-  call setpos("'>", [buf_num, cur_row, end_col, 0])
-  normal! gv
-endfunction
+xnoremap <silent> iu :<C-U>call text_obj#URL()<CR>
+onoremap <silent> iu :<C-U>call text_obj#URL()<CR>
 "}