neovim/runtime/ftplugin/help.lua
zeertzjq 12c9791e0f
fix(runtime): stop treesitter highlight in b:undo_ftplugin (#29533)
It seems that nvim-treesitter stops treesitter highlight when changing
filetype, so it makes sense for builtin ftplugins to do this as well.

Use :call and v:lua here to allow separation with '|'.
2024-07-03 15:24:12 +08:00

36 lines
1.4 KiB
Lua

-- use treesitter over syntax (for highlighted code blocks)
vim.treesitter.start()
-- add custom highlights for list in `:h highlight-groups`
local bufname = vim.fs.normalize(vim.api.nvim_buf_get_name(0))
if vim.endswith(bufname, '/doc/syntax.txt') then
require('vim.vimhelp').highlight_groups({
{ start = [[\*group-name\*]], stop = '^======', match = '^(%w+)\t' },
{ start = [[\*highlight-groups\*]], stop = '^======', match = '^(%w+)\t' },
})
elseif vim.endswith(bufname, '/doc/treesitter.txt') then
require('vim.vimhelp').highlight_groups({
{
start = [[\*treesitter-highlight-groups\*]],
stop = [[\*treesitter-highlight-spell\*]],
match = '^@[%w%p]+',
},
})
elseif vim.endswith(bufname, '/doc/diagnostic.txt') then
require('vim.vimhelp').highlight_groups({
{ start = [[\*diagnostic-highlights\*]], stop = '^======', match = '^(%w+)' },
})
elseif vim.endswith(bufname, '/doc/lsp.txt') then
require('vim.vimhelp').highlight_groups({
{ start = [[\*lsp-highlight\*]], stop = '^------', match = '^(%w+)' },
{ start = [[\*lsp-semantic-highlight\*]], stop = '^======', match = '^@[%w%p]+' },
})
end
vim.keymap.set('n', 'gO', function()
require('vim.vimhelp').show_toc()
end, { buffer = 0, silent = true })
vim.b.undo_ftplugin = vim.b.undo_ftplugin .. ' | call v:lua.vim.treesitter.stop()'
vim.b.undo_ftplugin = vim.b.undo_ftplugin .. ' | nunmap <buffer> gO'