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Diffstat (limited to 'runtime/lua/vim/treesitter/language.lua')
| -rw-r--r-- | runtime/lua/vim/treesitter/language.lua | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/runtime/lua/vim/treesitter/language.lua b/runtime/lua/vim/treesitter/language.lua index 5bcc786e88..5f34d9cd56 100644 --- a/runtime/lua/vim/treesitter/language.lua +++ b/runtime/lua/vim/treesitter/language.lua @@ -60,6 +60,16 @@ function M.add(lang, opts) filetype = { filetype, { 'string', 'table' }, true }, }) + if filetype == '' then + error(string.format("'%s' is not a valid filetype", filetype)) + elseif type(filetype) == 'table' then + for _, f in ipairs(filetype) do + if f == '' then + error(string.format("'%s' is not a valid filetype", filetype)) + end + end + end + M.register(lang, filetype or lang) if vim._ts_has_language(lang) then |