nvim: better lazy loading

1 files changed, 51 insertions, 0 deletions

diff --git a/.config/nvim/lua/setup/nvim-cmp.lua b/.config/nvim/lua/setup/nvim-cmp.lua
new file mode 100644
index 0000000..584da73
--- /dev/null
+++ b/.config/nvim/lua/setup/nvim-cmp.lua
@@ -0,0 +1,51 @@
+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")
+require("luasnip/loaders/from_vscode").lazy_load()
+vim.o.completeopt = 'menuone,noselect'
+
+cmp.setup {
+    snippet = {
+        expand = function(args)
+            require('luasnip').lsp_expand(args.body)
+        end,
+    },
+    mapping = {
+        ['<CR>'] = cmp.mapping.confirm({ select = true }),
+        ['<C-n>'] = cmp.mapping.select_next_item(),
+        ['<C-p>'] = cmp.mapping.select_prev_item(),
+        ['<C-f>'] = cmp.mapping.scroll_docs(4),
+        ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-e>'] = cmp.mapping.close(),
+        ["<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 = 'luasnip' },
+    },
+}
+vim.cmd('autocmd FileType markdown lua require("cmp").setup.buffer { enabled = false }')