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return {
"nvim-treesitter/nvim-treesitter",
branch = "main",
build = ":TSUpdate",
init = function()
vim.o.foldmethod = "expr"
vim.o.foldexpr = "v:lua.vim.treesitter.foldexpr()"
end,
config = function(_, opts)
vim.api.nvim_create_autocmd('User', {
pattern = 'TSUpdate',
callback = function()
vim.tbl_extend("force", require('nvim-treesitter.parsers'), opts.custom_parsers or {})
end
})
local ts = require('nvim-treesitter')
local already_installed = ts.get_installed()
local parsers_to_install = vim.iter(opts.parsers or {})
:filter(function(parser) return not vim.tbl_contains(already_installed, parser) end)
:totable()
ts.install(parsers_to_install)
-- Auto-install and start parsers for any buffer
vim.api.nvim_create_autocmd({ "BufRead", "FileType" }, {
desc = "Enable Treesitter",
callback = function(event)
local bufnr = event.buf
local filetype = vim.api.nvim_get_option_value("filetype", { buf = bufnr })
-- Skip if no filetype
if filetype == "" then
return
end
-- Get parser name based on filetype
local parser_name = vim.treesitter.language.get_lang(filetype)
if not parser_name then
vim.notify(vim.inspect("No treesitter parser found for filetype: " .. filetype), vim.log.levels.WARN)
return
end
-- Try to get existing parser
local parser_configs = require("nvim-treesitter.parsers")
if not parser_configs[parser_name] then
return -- Parser not available, skip silently
end
local parser_exists = pcall(vim.treesitter.get_parser, bufnr, parser_name)
local function init_treesitter()
-- vim.notify(vim.inspect("Starting treesitter parser " .. parser_name .. " for filetype: " .. filetype), vim.log.levels.WARN)
vim.treesitter.start(bufnr, parser_name)
-- Use regex based syntax-highlighting as fallback as some plugins might need it
-- vim.bo[bufnr].syntax = "ON"
-- vim.wo.foldtext = "v:lua.vim.treesitter.foldtext()"
-- Use treesitter for indentation
vim.bo[bufnr].indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
end
if not parser_exists then
-- check if parser is already installed
if vim.tbl_contains(already_installed, parser_name) then
vim.notify("Parser for " .. parser_name .. " already installed.", vim.log.levels.INFO)
init_treesitter()
-- else
-- -- If not installed, install parser synchronously
-- vim.notify("Installing parser for " .. parser_name, vim.log.levels.INFO)
-- treesitter.install({ parser_name }):await(init_treesitter)
end
else
init_treesitter()
end
end,
})
end,
opts = {
parsers = {
"lua",
"c",
"vim",
"vimdoc",
"query",
"rust",
"fish",
"json",
"javascript",
"latex",
"markdown",
"markdown_inline",
"zig",
"typescript",
"toml",
"svelte",
"comment",
"html",
"typst",
"ron",
"smali",
"java",
"kotlin",
"styled",
"nix",
"gitignore",
"meson"
-- "d2"
},
custom_parsers = {
d2 = {
install_info = {
url = 'https://github.com/ravsii/tree-sitter-d2',
queries = 'queries',
},
}
}
},
lazy = false
}
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