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-- ~/.config/nvim/lua/config/treesitter.lua
return function()
-- New nvim-treesitter (main branch) API for Neovim 0.12+
-- The plugin now only handles parser installation and queries.
-- Highlighting, folding, etc. are handled by Neovim core.
require("nvim-treesitter").setup({
-- Directory to install parsers and queries to
install_dir = vim.fn.stdpath("data") .. "/site",
})
-- Install parsers (no-op if already installed)
require("nvim-treesitter").install({
"c",
"lua",
"vim",
"vimdoc",
"query",
"markdown",
"markdown_inline",
"python",
"javascript",
"cpp",
"rust",
"haskell",
"commonlisp",
"scheme",
"clojure",
"fennel",
"java",
"fortran",
})
-- Enable treesitter highlighting for all filetypes with a parser
-- (Neovim 0.12 already enables this for Markdown by default,
-- but this covers all other languages too.)
vim.api.nvim_create_autocmd("FileType", {
callback = function()
-- Skip latex as before
if vim.bo.filetype == "latex" or vim.bo.filetype == "tex" then
return
end
pcall(vim.treesitter.start)
end,
})
-- Treesitter-based folding (Neovim 0.12 native)
vim.opt.foldlevelstart = 99
vim.api.nvim_create_autocmd("FileType", {
callback = function()
if pcall(vim.treesitter.get_parser) then
vim.wo[0][0].foldmethod = "expr"
vim.wo[0][0].foldexpr = "v:lua.vim.treesitter.foldexpr()"
else
vim.wo[0][0].foldmethod = "indent"
end
end,
})
-- Textobjects (nvim-treesitter-textobjects)
require("nvim-treesitter-textobjects").setup({
select = {
lookahead = true,
},
})
vim.keymap.set({ "x", "o" }, "af", function()
require("nvim-treesitter-textobjects.select").select_textobject("@function.outer", "textobjects")
end)
vim.keymap.set({ "x", "o" }, "if", function()
require("nvim-treesitter-textobjects.select").select_textobject("@function.inner", "textobjects")
end)
vim.keymap.set({ "x", "o" }, "ac", function()
require("nvim-treesitter-textobjects.select").select_textobject("@class.outer", "textobjects")
end)
vim.keymap.set({ "x", "o" }, "ic", function()
require("nvim-treesitter-textobjects.select").select_textobject("@class.inner", "textobjects")
end)
end
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