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perf(win): prevent treesitter and syntax attaching to scratch buffers

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Folke Lemaitre 2024-11-08 15:39:16 +01:00
parent 5dc749b045
commit cc80f6dc1b
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GPG key ID: 41F8B1FBACAE2040
1 changed files with 11 additions and 20 deletions
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31
lua/snacks/win.lua
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@ -344,10 +344,16 @@ function M:show()
self:update()
return self
end
self.augroup = vim.api.nvim_create_augroup("snacks_win_" .. id, { clear = true })
self.augroup = vim.api.nvim_create_augroup("snacks_win_" .. self.id, { clear = true })
self:open_buf()
-- OPTIM: prevent treesitter or syntax highlighting to attach on FileType if it's not already enabled
local optim_hl = not vim.b[self.buf].ts_highlight and vim.bo[self.buf].syntax == ""
vim.b[self.buf].ts_highlight = optim_hl or vim.b[self.buf].ts_highlight
self:set_options("buf")
vim.b[self.buf].ts_highlight = not optim_hl and vim.b[self.buf].ts_highlight or nil
if self.opts.on_buf then
self.opts.on_buf(self)
end
@ -361,13 +367,11 @@ function M:show()
self.opts.on_win(self)
end
-- syntax highlighting
local ft = self.opts.ft or vim.bo[self.buf].filetype
if ft then
local lang = ft and vim.treesitter.language.get_lang(ft)
if lang and not vim.b[self.buf].ts_highlight and not pcall(vim.treesitter.start, self.buf, lang) then
lang = nil
end
if ft and not lang then
if ft and not vim.b[self.buf].ts_highlight and vim.bo[self.buf].syntax == "" then
local lang = vim.treesitter.language.get_lang(ft)
if not (lang and pcall(vim.treesitter.start, self.buf, lang)) then
vim.bo[self.buf].syntax = ft
end
end
@ -379,16 +383,6 @@ function M:show()
end,
})
vim.api.nvim_create_autocmd("BufEnter", {
group = self.augroup,
buffer = self.buf,
callback = function(ev)
if not vim.b[ev.buf].did_ftplugin then
vim.api.nvim_exec_autocmds("FileType", { buffer = ev.buf, modeline = false })
end
end,
})
for key, spec in pairs(self.opts.keys) do
if spec then
if type(spec) == "string" then
@ -523,8 +517,6 @@ end
---@private
---@param type "win" | "buf"
function M:set_options(type)
local ei = vim.o.eventignore
vim.o.eventignore = "all"
local opts = type == "win" and self.opts.wo or self.opts.bo
---@diagnostic disable-next-line: no-unknown
for k, v in pairs(opts or {}) do
@ -540,7 +532,6 @@ function M:set_options(type)
)
end
end
vim.o.eventignore = ei
end
function M:buf_valid()