Migrate vim to neovim (min v0.11)

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.config/nvim/lua/plugins/autocompletion.lua

@@ -0,0 +1,67 @@
+return {
+	"hrsh7th/nvim-cmp",
+	dependencies = {
+		"hrsh7th/cmp-nvim-lsp", -- language server as completion source
+		"hrsh7th/cmp-buffer", -- buffers as completion source
+		"hrsh7th/cmp-path", -- paths as completion source
+		"hrsh7th/cmp-cmdline", -- cmdline as completion source
+
+		"hrsh7th/cmp-nvim-lsp-signature-help", -- emphasize current parameter in completions
+
+		"L3MON4D3/LuaSnip", -- I use luasnip anyway
+		"saadparwaiz1/cmp_luasnip", -- luasnip completion source
+	},
+	config = function()
+		local cmp = require("cmp")
+		local luasnip = require("luasnip")
+		require("luasnip.loaders.from_snipmate").lazy_load()
+		require("luasnip.loaders.from_lua").lazy_load()
+		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({
+			snippet = {
+				expand = function(args)
+					luasnip.lsp_expand(args.body)
+				end,
+			},
+			mapping = {
+				["<C-p>"] = cmp.mapping.select_prev_item(),
+				["<C-n>"] = cmp.mapping.select_next_item(),
+				["<C-Space>"] = cmp.mapping.complete(),
+				["<CR>"] = cmp.mapping.confirm({
+					behavior = cmp.ConfirmBehavior.Replace,
+					select = true
+				}),
+				["<Tab>"] = cmp.mapping(function(fallback)
+					if cmp.visible() then
+						cmp.select_next_item()
+					elseif luasnip.expand_or_jumpable() then
+						luasnip.expand_or_jump()
+					elseif has_words_before() then
+						cmp.complete()
+					else
+						fallback()
+					end
+				end, { "i", "s" }),
+				["<S-Tab>"] = cmp.mapping(function(fallback)
+					if cmp.visible() then
+						cmp.select_prev_item()
+					elseif luasnip.jumpable(-1) then
+						luasnip.jump(-1)
+					else
+						fallback()
+					end
+				end, { "i", "s" }),
+			},
+			sources = {
+				{ name = "nvim_lsp" },
+				{ name = "nvim_lsp_signature_help" },
+				{ name = "luasnip" },
+				{ name = "buffer" },
+				{ name = "path" },
+			},
+		})
+	end,
+}