[wip] better lua config for nvim

Signed-off-by: listout <listout@protonmail.com>

1 files changed, 72 insertions, 0 deletions

diff --git a/lua/plugins/cmp.lua b/lua/plugins/cmp.lua
new file mode 100644
index 0000000..e42b9f2
--- /dev/null
+++ b/lua/plugins/cmp.lua
@@ -0,0 +1,72 @@
+-- luasnip setup
+local luasnip = require 'luasnip'
+
+-- nvim-cmp setup
+local cmp = require 'cmp'
+cmp.setup {
+	view = {
+		entries = "custom",
+	},
+	snippet = {
+		expand = function(args)
+			luasnip.lsp_expand(args.body)
+			require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
+		end,
+	},
+	mapping = cmp.mapping.preset.insert({
+		['<C-d>'] = cmp.mapping.scroll_docs(-4),
+		['<C-f>'] = cmp.mapping.scroll_docs(4),
+		['<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()
+			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 = 'path' },
+		{ name = 'buffer' },
+		{ name = 'nvim_lsp_signature_help' },
+		{ name = 'nvim_lsp' },
+		{ name = 'luasnip' },
+		{ name = 'nvim_lua' },
+	},
+}
+-- 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).
+require'cmp'.setup.cmdline('/', {
+	sources = {
+		{ name = 'buffer' } -- cmp-buffer needed
+	}
+})
+-- Use cmdline & path source for ':' (if you enabled `native_menu`, this won't work anymore).
+require'cmp'.setup.cmdline(':', {
+	sources = {
+		{ name = 'cmdline' },
+		{ name = 'path' }, -- cmp-path needed
+	}
+})