forked from foxora/nix
96 lines
3.3 KiB
Lua
96 lines
3.3 KiB
Lua
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-- to help me write this after nvim-treesitter updated, i used:
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-- https://github.com/BirdeeHub/nixCats-nvim/blob/3c9bc4d7123e1b48d92f25ba505b889af541e897/templates/example/lua/myLuaConf/plugins/treesitter.lua
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return {
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{
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"nvim-treesitter",
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lazy = false,
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after = function (plugin)
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--@param buf integer
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--@param language string
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local function treesitter_try_attach(buf, language)
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--check if parser exists and load it
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if not vim.treesitter.language.add(language) then
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return
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end
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-- enables syntax highlight and other treesitter features
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vim.treesitter.start(buf, language)
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-- enables treesitter based folds
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vim.wo.foldexpr = "v:lua.vim.treesitter.foldexpr()"
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-- enables treesiter based indentation
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vim.bo.indentexpr = "v:lua.require'nvim-treesitter'.indentexpr()"
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end
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local available_parsers = require("nvim-treesitter").get_available()
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vim.api.nvim_create_autocmd("FileType", {
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callback = function(args)
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local buf, filetype = args.buf, args.match
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local language = vim.treesitter.language.get_lang(filetype)
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if not language then
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return
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end
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local installed_parsers = require("nvim-treesitter").get_installed("parsers")
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if vim.tbl_contains(installed_parsers, language) then
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-- enable the parser if it is installed
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treesitter_try_attach(buf, language)
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elseif vim.tbl_contains(available_parsers, language) then
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-- if a parser is available in `nvim-treesitter` enable it after ensuring it is installed
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require("nvim-treesitter").install(language):await(function()
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treesitter_try_attach(buf, language)
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end)
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else
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-- try to enable treesitter features in case the parser exists but is not available from `nvim-treesitter`
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treesitter_try_attach(buf, language)
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end
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end,
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})
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end,
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},
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{
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"nvim-treesitter-textobjects",
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lazy = false,
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before = function(plugin)
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vim.g.no_plugin_maps = true
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end,
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after = function(plugin)
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require("nvim-treesitter-textobjects").setup {
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select = {
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lookahead = true,
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selection_modes = {
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['@parameter.outer'] = 'v', -- charwise
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['@function.outer'] = 'V', -- linewise
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},
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include_surrounding_whitespace = false,
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},
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}
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-- keymaps
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vim.keymap.set({ "x", "o" }, "am", function()
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require "nvim-treesitter-textobjects.select".select_textobject("@function.outer", "textobjects")
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end)
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vim.keymap.set({ "x", "o" }, "im", function()
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require "nvim-treesitter-textobjects.select".select_textobject("@function.inner", "textobjects")
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end)
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vim.keymap.set({ "x", "o" }, "ac", function()
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require "nvim-treesitter-textobjects.select".select_textobject("@class.outer", "textobjects")
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end)
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vim.keymap.set({ "x", "o" }, "ic", function()
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require "nvim-treesitter-textobjects.select".select_textobject("@class.inner", "textobjects")
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end)
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-- You can also use captures from other query groups like `locals.scm`
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vim.keymap.set({ "x", "o" }, "as", function()
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require "nvim-treesitter-textobjects.select".select_textobject("@local.scope", "locals")
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end)
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-- NOTE: for more textobjects options, see the following link.
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-- This template is using the new `main` branch of the repo.
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-- https://github.com/nvim-treesitter/nvim-treesitter-textobjects/tree/main
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end,
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},
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}
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