Emoji source of ddc.vim
" Use emoji source.
call ddc#custom#patch_global('sources', ['emoji'])
" Add matching patterns
call ddc#custom#patch_global('keywordPattern', '[a-zA-Z_:]\w*')
" Change source options
call ddc#custom#patch_global('sourceOptions', {
\ 'emoji': {
\ 'mark': 'emoji',
\ 'matchers': ['emoji'],
\ 'sorters': [],
\ },
\ })