add delay execution

.vimrc

@@ -78,44 +78,41 @@
         autocmd FileType gitcommit au! BufEnter COMMIT_EDITMSG call setpos('.', [0, 1, 1, 0])
     augroup END
 
-    " http://vim.wikia.com/wiki/Restore_cursor_to_file_position_in_previous_editing_session
-    " Restore cursor to file position in previous editing session
-        function! ResCur()
-            if line("'\"") <= line("$")
-                silent! normal! g`"
-                return 1
-            endif
-        endfunction
+    " " http://vim.wikia.com/wiki/Restore_cursor_to_file_position_in_previous_editing_session
+    " " Restore cursor to file position in previous editing session
+    "     function! ResCur()
+    "         if line("'\"") <= line("$")
+    "             silent! normal! g`"
+    "             return 1
+    "         endif
+    "     endfunction
 
-        augroup resCur
-            autocmd!
-            autocmd BufWinEnter * call ResCur()
-        augroup END
+    "     augroup resCur
+    "         autocmd!
+    "         autocmd BufWinEnter * call ResCur()
+    "     augroup END
 
     " Setting up the directories {
-        set backup                  " Backups are nice ...
-        if has('persistent_undo')
-            set undofile                " So is persistent undo ...
-            set undolevels=1000         " Maximum number of changes that can be undone
-            set undoreload=10000        " Maximum number lines to save for undo on a buffer reload
-        endif
+        " set backup                  " Backups are nice ...
+    if has('persistent_undo')
+        set undofile                " So is persistent undo ...
+        set undolevels=1000         " Maximum number of changes that can be undone
+        set undoreload=10000        " Maximum number lines to save for undo on a buffer reload
+    endif
     " }
 
 " }
 
 " Vim UI {
 "
-    " set tabpagemax=15               " Only show 15 tabs
-    " set showmode                    " Display the current mode
     set nocursorline                    " Highlight current line
-
     set cmdheight=1                 " get rid of the extra useless line at the bottom(if not working, probably a plugin is changing the value)
 
-    if has('cmdline_info')
-        set ruler                   " Show the ruler
-        set rulerformat=%30(%=\:b%n%y%m%r%w\ %l,%c%V\ %P%) " A ruler on steroids
-        set showcmd                 " Show partial commands in status line and
-    endif
+    " if has('cmdline_info')
+    "     set ruler                   " Show the ruler
+    "     set rulerformat=%30(%=\:b%n%y%m%r%w\ %l,%c%V\ %P%) " A ruler on steroids
+    "     set showcmd                 " Show partial commands in status line and
+    " endif
 
     set backspace=indent,eol,start  " Backspace for dummies
 

utils.vim

@@ -5,6 +5,21 @@ function! Notify(msg)
     echo msg
 endfunction
 
+" Check if plugin exists
+function! HasPlug(plug_name, ...)
+    let plug_dir_name = get(a:, 1, a:plug_name) " optional argument for the name of plug's folder
+    if has_key(g:plugs, a:plug_name) && isdirectory(g:plugin_dir . "/" . plug_dir_name)
+        if has_key(g:plugs[a:plug_name], 'for') || has_key(g:plugs[a:plug_name], 'on')
+            if (has_key(g:plugs[a:plug_name], 'for') && len(g:plugs[a:plug_name]['for']) == 0) ||
+                        \ (has_key(g:plugs[a:plug_name], 'on') && len(g:plugs[a:plug_name]['on']) == 0)
+                return v:false
+            endif
+        endif
+        return v:true
+    endif
+    return v:false
+endfunction
+
 " This function is used to save a variable to a file
 function! SaveVariable(var, file)
     let serialized = string(a:var)
@@ -204,3 +219,49 @@ fun! TrimWhitespace()
     keeppatterns %s/\s\+$//e
     call winrestview(l:save)
 endfun
+
+
+""" AIRLINE EXTENSIONS """
+if HasPlug('vim-airline')
+
+    function! AirlineCocStatus()
+        if ! exists('*CocAction')
+            return
+        endif
+        " let loading = ["⢿", "⣻", "⣽", "⣾", "⣷", "⣯", "⣟", "⡿"]
+        let loading = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]
+        try
+            let result = CocAction('services')
+        catch
+            return
+        endtry
+        let state = ''
+        let id = ''
+        for e in result
+            if e['languageIds'][0] == &ft
+                let state = e['state']
+                let id = e['id']
+            endif
+        endfor
+
+        " messy way to get time in millisecond in vim
+        let time = float2nr(str2float(reltime()->reltimestr()[4:]) * 1000)
+        let speed = 800
+        let loadidx = time % speed
+        let msg = 'lsp:' . id
+        if state == "starting"
+            let s:coc_lsp_loading = 1
+            return msg . " " . loading[loadidx/(speed/10)] . " "
+        endif
+        if exists('s:coc_lsp_loading')
+            unlet s:coc_lsp_loading
+        endif
+        return msg . " ✔ "
+    endfunction
+
+    function! AirlineBufferNumber()
+        return len(g:index_to_buffer)
+    endfunction
+
+endif
+""" AIRLINE EXTENSIONS END """