Requirements

Install

return {-- requirements  {"roxma/nvim-yarp"},  {"ncm2/ncm2",config=function()vim.opt.completeopt= {"noinsert","menuone","noselect"}vim.api.nvim_create_autocmd({'BufEnter'}, {pattern= {'*'},callback=function(ev)vim.call('ncm2#enable_for_buffer')end      })end,  },-- NOTE: you need to install completion sources to get completions. Check-- our wiki page for a list of sources: https://github.com/ncm2/ncm2/wiki  {'ncm2/ncm2-bufword'},  {'ncm2/ncm2-path'},}

" assuming you're using vim-plug: https://github.com/junegunn/vim-plug    Plug'ncm2/ncm2'    Plug'roxma/nvim-yarp'" enable ncm2 for all buffersautocmdBufEnter*callncm2#enable_for_buffer()" IMPORTANT: :help Ncm2PopupOpen for more informationsetcompleteopt=noinsert,menuone,noselect" NOTE: you need to install completion sources to get completions. Check" our wiki page for a list of sources: https://github.com/ncm2/ncm2/wiki    Plug'ncm2/ncm2-bufword'    Plug'ncm2/ncm2-path'

Optional Vimrc Tips

" suppress the annoying 'match x of y', 'The only match' and 'Pattern not" found' messagessetshortmess+=c" CTRL-C doesn't trigger the InsertLeave autocmd . map to <ESC> instead.inoremap<c-c><ESC>" When the <Enter> key is pressed while the popup menu is visible, it only" hides the menu. Use this mapping to close the menu and also start a new" line.inoremap<expr><CR>(pumvisible() ? "\<c-y>\<cr>" : "\<CR>")" Use <TAB> to select the popup menu:inoremap<expr><Tab>pumvisible() ? "\<C-n>" : "\<Tab>"inoremap<expr><S-Tab>pumvisible() ? "\<C-p>" : "\<S-Tab>"" wrap existing omnifunc" Note that omnifunc does not run in background and may probably block the" editor. If you don't want to be blocked by omnifunc too often, you could" add 180ms delay before the omni wrapper:"  'on_complete': ['ncm2#on_complete#delay', 180,"               \ 'ncm2#on_complete#omni', 'csscomplete#CompleteCSS'],auUserNcm2Plugincallncm2#register_source({\'name' :'css',\'priority':9,\'subscope_enable':1,\'scope': ['css','scss'],\'mark':'css',\'word_pattern':'[\w\-]+',\'complete_pattern':':\s*',\'on_complete': ['ncm2#on_complete#omni','csscomplete#CompleteCSS'],\})

How Do I write Ncm2 Source?

Debugging