dotfiles/.config/nvim/plugin/showmappings.vim

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" Show all mapped keys in a list - from https://stackoverflow.com/questions/13990136/display-a-ordered-vim-keyboard-mapping
function! s:ShowMaps()
let old_reg = getreg("a") " save the current content of register a
let old_reg_type = getregtype("a") " save the type of the register as well
try
redir @a " redirect output to register a
" Get the list of all key mappings silently, satisfy "Press ENTER to continue"
silent map | call feedkeys("\<CR>")
redir END " end output redirection
vnew " new buffer in vertical window
put a " put content of register
" Sort on 4th character column which is the key(s)
%!sort -k1.4,1.4
finally " Execute even if exception is raised
call setreg("a", old_reg, old_reg_type) " restore register a
endtry
endfunction
" use :ShowMaps to call the function
command! ShowMappings call s:ShowMaps() " Enable :ShowMaps to call the function