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Explicitly check for cterm and gui values for fg

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If a user hasn't set either we default to NONE
This commit is contained in:
Akin Sowemimo 2020-10-11 15:08:40 +01:00 • committed by Thomas Vigouroux
parent c817b62ae4
commit 19c9465a8c
1 changed files with 8 additions and 7 deletions
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15
plugin/nvim-treesitter.vim
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@ -11,17 +11,18 @@ let g:loaded_nvim_treesitter = 1
lua require'nvim-treesitter'.setup()
function s:has_attr(attr)
return strlen(synIDattr(hlID('Normal'), a:attr)) > 0
function s:has_attr(attr, mode)
let norm_color = synIDattr(hlID('Normal'), a:attr, a:mode)
return strlen(norm_color) > 0
endfunction
" if the ctermfg or guifg is not known by nvim then using the
" fg or foreground highlighting value will cause an E419 error
if s:has_attr('fg')
highlight default TSNone term=NONE cterm=NONE gui=NONE guifg=foreground ctermfg=fg
else
highlight default TSNone term=NONE cterm=NONE gui=NONE
endif
" so we check to see if either highlight has been set if not default to NONE
let cterm_normal = s:has_attr('fg', 'cterm') ? 'fg' : 'NONE'
let gui_normal = s:has_attr('fg', 'gui') ? 'foreground' : 'NONE'
execute 'highlight default TSNone term=NONE cterm=NONE gui=NONE guifg='.gui_normal.' ctermfg='.cterm_normal
highlight default link TSError TSNone