fix(nvim): Load LSP on LazyFile

.config/nvim/lua/null/plugins/lsp.lua

@@ -0,0 +1,228 @@
+require("null.util").lazy_file()
+
+return {
+	{
+		"williamboman/mason.nvim",
+		lazy = true,
+		config = function(_, opts)
+			require("mason").setup()
+		end,
+	},
+	{
+		"williamboman/mason-lspconfig.nvim",
+		lazy = true,
+		dependencies = {
+			"williamboman/mason.nvim",
+		},
+		opts = {
+			ensure_installed = {
+				"pyright",
+				-- "ruff",
+				-- "ruff_lsp",
+			},
+			automatic_installation = { exclude = { "rust_analyzer" } },
+		},
+		config = function(_, opts)
+			require("mason-lspconfig").setup(opts)
+		end,
+	},
+	{
+		"neovim/nvim-lspconfig",
+		lazy = true,
+		dependencies = {
+			"williamboman/mason-lspconfig.nvim",
+		},
+		opts = function()
+			return {
+				diagnostics = {
+					underline = true,
+					update_in_insert = false,
+					virtual_text = {
+						spacing = 4,
+						source = "if_many",
+						prefix = "•",
+					},
+					severity_sort = true,
+					signs = {
+						text = {
+							[vim.diagnostic.severity.ERROR] = " ",
+							[vim.diagnostic.severity.WARN] = " ",
+							[vim.diagnostic.severity.HINT] = " ",
+							[vim.diagnostic.severity.INFO] = " ",
+						},
+					},
+				},
+			}
+		end,
+		config = function(_, opts)
+			vim.diagnostic.config(vim.deepcopy(opts.diagnostics))
+
+			-- Setup lspconfig
+			local has_cmp, cmp_nvim_lsp = pcall(require, "cmp_nvim_lsp")
+			local capabilities = vim.tbl_deep_extend(
+				"force",
+				{},
+				vim.lsp.protocol.make_client_capabilities(),
+				has_cmp and cmp_nvim_lsp.default_capabilities() or {},
+				opts.capabilities or {}
+			)
+			local lsp = require("lspconfig")
+			-- FIXME: Re enable once ruff is able to type check
+			-- lsp.ruff_lsp.setup({
+			-- 	capabilities = capabilities,
+			-- })
+			lsp.pyright.setup({
+				capabilities = capabilities,
+			})
+			lsp.rust_analyzer.setup({
+				capabilities = capabilities,
+				settings = {
+					["rust-analyzer"] = {
+						assist = {
+							importGranularity = "module",
+							importPrefix = "by_self",
+						},
+						cargo = {
+							loadOutDirsFromCheck = true
+						},
+						procMacro = {
+							enable = true
+						},
+					}
+				},
+			})
+		end,
+	},
+	{
+		"mfussenegger/nvim-lint",
+		event = { "LazyFile" },
+		dependencies = {
+			"williamboman/mason.nvim",
+		},
+		opts = function()
+			return {
+				ignored = { },
+			}
+		end,
+		config = function(_, opts)
+			require("lint").linters_by_ft = {
+				bash = {
+					"shellcheck",
+				},
+				cmake = {
+					"cmakelint",
+				},
+			}
+			vim.api.nvim_create_autocmd({ "BufWritePost", "BufReadPost", "InsertLeave", "TextChanged" }, {
+				callback = function(E)
+					if E.event == "TextChanged" then
+						return
+					end
+					require("lint").try_lint()
+					-- FIXME: If filename in opts.ignored:
+					-- vim.diagnostic.disable()
+				end,
+			})
+		end,
+	},
+	{
+		"hrsh7th/nvim-cmp",
+		event = { "LazyFile" },
+		dependencies = {
+			"neovim/nvim-lspconfig",
+			"hrsh7th/cmp-nvim-lsp",
+			"hrsh7th/cmp-buffer",
+			"hrsh7th/cmp-path",
+			"hrsh7th/cmp-cmdline",
+		},
+		config = function(_, opts)
+			-- From vimrc, may need clean up
+			local cmp = require("cmp")
+
+			local has_words_before = function()
+				local line, col = unpack(vim.api.nvim_win_get_cursor(0))
+				return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
+			end
+
+			cmp.setup({
+				auto_brackets = { "python" },
+				snippet = {
+					-- REQUIRED - you must specify a snippet engine
+					expand = function(args)
+					-- vim.fn["vsnip#anonymous"](args.body) -- For `vsnip` users.
+					-- require("luasnip").lsp_expand(args.body) -- For `luasnip` users.
+					-- require("snippy").expand_snippet(args.body) -- For `snippy` users.
+					-- vim.fn["UltiSnips#Anon"](args.body) -- For `ultisnips` users.
+					end,
+				},
+				window = {
+					-- completion = cmp.config.window.bordered(),
+					-- documentation = cmp.config.window.bordered(),
+				},
+				mapping = cmp.mapping.preset.insert({
+					["<C-b>"] = cmp.mapping.scroll_docs(-4),
+					["<C-f>"] = cmp.mapping.scroll_docs(4),
+					["<C-Space>"] = cmp.mapping.complete(),
+					["<C-e>"] = cmp.mapping.abort(),
+					["<CR>"] = cmp.mapping(function(fallback)
+						if cmp.visible() and not cmp.confirm() then
+							cmp.abort()
+						else
+							fallback()
+						end
+					end, {"i", "s"}),
+					["<Tab>"] = cmp.mapping(function(fallback)
+						if cmp.visible() then
+							cmp.select_next_item()
+							-- elseif has_words_before() then
+							--   cmp.complete()
+						else
+							fallback() -- The fallback function sends a already mapped key. In this case, it"s probably `<Tab>`.
+						end
+					end, { "i", "s" }),
+					["<S-Tab>"] = cmp.mapping(function()
+						if cmp.visible() then
+							cmp.select_prev_item()
+						end
+					end, { "i", "s" }),
+				}),
+				sources = cmp.config.sources({
+					{ name = "nvim_lsp" },
+					-- { name = "vsnip" }, -- For vsnip users.
+					-- { name = "luasnip" }, -- For luasnip users.
+					-- { name = "ultisnips" }, -- For ultisnips users.
+					-- { name = "snippy" }, -- For snippy users.
+					}, {
+					{ name = "buffer" },
+				})
+			})
+
+			-- Set configuration for specific filetype.
+			cmp.setup.filetype("gitcommit", {
+				sources = cmp.config.sources({
+					{ name = "cmp_git" }, -- You can specify the `cmp_git` source if you were installed it.
+					}, {
+					{ name = "buffer" },
+				})
+			})
+
+			-- Use buffer source for `/` (if you enabled `native_menu`, this won"t work anymore).
+			cmp.setup.cmdline("/", {
+				mapping = cmp.mapping.preset.cmdline(),
+				sources = {
+					{ name = "buffer" }
+				}
+			})
+
+			-- Use cmdline & path source for ":" (if you enabled `native_menu`, this won"t work anymore).
+			cmp.setup.cmdline(":", {
+				mapping = cmp.mapping.preset.cmdline(),
+				sources = cmp.config.sources({
+					{ name = "path" }
+				}, {
+					{ name = "cmdline" }
+				})
+			})
+		end,
+	},
+}