This is Vim plugin of custom operator for moving head(or tail) of textobjects and change insert mode.
This plugin define no default key mappings.
So you need to define key mappings. Look at Settings.
You can use <Plug>(operator-insert-i) to move head of textobjects and change insert mode.
And you can use <Plug>(operator-insert-a) to move tail of textobjects and change insert mode.
You need map key to use this plugin.
This is example settings.
nmap <Leader>i <Plug>(operator-insert-i)
nmap <Leader>a <Plug>(operator-insert-a)Following screenshot is example for insert tail of word to type <Leader>ae,
and for insert head of word to type <Leader>ib.
Following screenshot is example for insert tail of inner parentheses to type <Leader>aib,
and for insert head of inner parentheses to type <Leader>iib.
This plugin is distributed under MIT License.