1 files changed, 73 insertions, 0 deletions
diff --git a/.config/nvim/lua/user/plugins/cmp.lua b/.config/nvim/lua/user/plugins/cmp.lua
new file mode 100644
index 0000000..81cd2ee
--- /dev/null
+++ b/.config/nvim/lua/user/plugins/cmp.lua
@@ -0,0 +1,73 @@
+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
+
+local luasnip = require 'luasnip'
+local cmp = require 'cmp'
+local lspkind = require 'lspkind'
+
+-- Set completeopt to have a better completion experience
+vim.o.completeopt = 'menuone,longest,preview'
+
+cmp.setup({
+    experimental = {
+        ghost_text = true,
+    },
+    formatting = {
+        format = lspkind.cmp_format {
+            mode = 'symbol',
+            menu = {
+                nvim_lsp = '[LSP]',
+                nvim_lua = '[Lua]',
+                buffer = '[BUF]',
+            },
+        },
+    },
+    snippet = {
+        expand = function(args)
+            require('luasnip').lsp_expand(args.body)
+        end,
+    },
+    mapping = {
+        ['<C-p>'] = cmp.mapping.select_prev_item(),
+        ['<C-n>'] = cmp.mapping.select_next_item(),
+        ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-r>'] = cmp.mapping.scroll_docs(4),
+        ['<C-Space>'] = cmp.mapping.complete(),
+        ['<C-e>'] = cmp.mapping.close(),
+        ['<CR>'] = cmp.mapping.confirm {
+            behavior = cmp.ConfirmBehavior.replace,
+            select = false,
+        },
+        ['<Tab>'] = cmp.mapping(function(fallback)
+            if luasnip.expand_or_jumpable() then
+                luasnip.expand_or_jump()
+            elseif cmp.visible() then
+                cmp.select_next_item()
+            elseif has_words_before() then
+                cmp.complete()
+            else
+                fallback()
+            end
+        end, { 'i', 's' }),
+        ['<S-Tab>'] = cmp.mapping(function(fallback)
+            if luasnip.jumpable(-1) then
+                luasnip.jump(-1)
+            elseif cmp.visible() then
+                cmp.select_prev_item()
+            else
+                fallback()
+            end
+
+        end, { 'i', 's' }),
+    },
+    sources = {
+        { name = 'nvim_lsp' },
+        { name = 'nvim_lsp_signature_help' },
+        { name = 'nvim_lua' },
+        { name = 'luasnip' },
+        { name = 'path' },
+        { name = 'buffer' },
+    },
+})