add neovim configs

nvim/init.lua

@@ -0,0 +1,5 @@
+require "hmsy.plugins"
+require "hmsy.cmp"
+require "hmsy.lsp"
+require "hmsy.keymaps"
+require "hmsy.hmsy"

nvim/lua/hmsy/cmp.lua

@@ -0,0 +1,51 @@
+local luasnip = require("luasnip")
+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 {
+	snippet = {
+		expand = function(args)
+			luasnip.lsp_expand(args.body)
+		end,
+	},
+	mapping = {
+		['<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.confirm({ 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 = cmp.config.sources({
+		{ name = 'nvim_lsp' },
+		{ name = 'luasnip' },
+	}, {
+		{ name = 'buffer' },
+	}),
+	expreimental = {
+		ghost_text = true,
+	},
+}

nvim/lua/hmsy/hmsy.lua

@@ -0,0 +1,2 @@
+vim.cmd "set iskeyword+=-"
+vim.opt.termguicolors = true

nvim/lua/hmsy/keymaps.lua

@@ -0,0 +1,50 @@
+local function map(mode, l, r, opts)
+  opts = opts or {}
+  opts.buffer = bufnr
+  vim.keymap.set(mode, l, r, opts)
+end
+
+require('gitsigns').setup{
+  on_attach = function(bufnr)
+    local gs = package.loaded.gitsigns
+
+    -- Navigation
+    map('n', ']c', function()
+      if vim.wo.diff then return ']c' end
+      vim.schedule(function() gs.next_hunk() end)
+      return '<Ignore>'
+    end, {expr=true})
+
+    map('n', '[c', function()
+      if vim.wo.diff then return '[c' end
+      vim.schedule(function() gs.prev_hunk() end)
+      return '<Ignore>'
+    end, {expr=true})
+
+    -- Actions
+    map({'n', 'v'}, '<leader>hs', ':Gitsigns stage_hunk<CR>')
+    map({'n', 'v'}, '<leader>hr', ':Gitsigns reset_hunk<CR>')
+    map('n', '<leader>hS', gs.stage_buffer)
+    map('n', '<leader>hu', gs.undo_stage_hunk)
+    map('n', '<leader>hR', gs.reset_buffer)
+    map('n', '<leader>hp', gs.preview_hunk)
+    map('n', '<leader>hb', function() gs.blame_line{full=true} end)
+    map('n', '<leader>tb', gs.toggle_current_line_blame)
+    map('n', '<leader>hd', gs.diffthis)
+    map('n', '<leader>hD', function() gs.diffthis('~') end)
+    map('n', '<leader>td', gs.toggle_deleted)
+
+    -- Text object
+    map({'o', 'x'}, 'ih', ':<C-U>Gitsigns select_hunk<CR>')
+  end
+}
+
+-- formatter
+map('n', '<leader>F', vim.lsp.buf.format, {})
+
+-- telescope
+local builtin = require('telescope.builtin')
+vim.keymap.set('n', '<leader>ff', builtin.find_files, {})
+vim.keymap.set('n', '<leader>fg', builtin.live_grep, {})
+vim.keymap.set('n', '<leader>fb', builtin.buffers, {})
+vim.keymap.set('n', '<leader>fh', builtin.help_tags, {})

nvim/lua/hmsy/lsp/formatter.lua

@@ -0,0 +1,8 @@
+local null_ls = require("null-ls")
+
+null_ls.setup({
+	sources = {
+		null_ls.builtins.formatting.prettier,
+		null_ls.builtins.formatting.autopep8,
+	},
+})

nvim/lua/hmsy/lsp/init.lua

@@ -0,0 +1,13 @@
+require("mason").setup()
+require("mason-lspconfig").setup()
+
+require("mason-lspconfig").setup_handlers {
+	function(server_name)
+		require("lspconfig")[server_name].setup {}
+	end,
+	["rust_analyzer"] = function ()
+		require("rust-tools").setup {}
+	end
+}
+
+require('hmsy.lsp.formatter')

nvim/lua/hmsy/plugins.lua

@@ -0,0 +1,23 @@
+local packer = require('packer')
+packer.startup(function(use)
+	use 'wbthomason/packer.nvim'
+	use 'lewis6991/gitsigns.nvim'
+	use 'preservim/nerdtree'
+	use 'vim-airline/vim-airline'
+	use 'vim-airline/vim-airline-themes'
+	use({ "L3MON4D3/LuaSnip", tag = "v<CurrentMajor>.*" })
+	use 'hrsh7th/nvim-cmp'
+	use 'hrsh7th/cmp-buffer'
+	use 'neovim/nvim-lspconfig'
+	use 'hrsh7th/cmp-nvim-lsp'
+	use "jose-elias-alvarez/null-ls.nvim"
+	use "nvim-lua/plenary.nvim"
+	use 'williamboman/mason.nvim'
+	use "williamboman/mason-lspconfig.nvim"
+	use {
+		'nvim-telescope/telescope.nvim', tag = '0.1.0',
+		-- or                            , branch = '0.1.x',
+		requires = { { 'nvim-lua/plenary.nvim' } }
+	}
+	use "simrat39/rust-tools.nvim"
+end)