clean up legacy files

legacy/lua/init-cmp.lua

@@ -0,0 +1,49 @@
+local cmp = require 'cmp'
+
+cmp.setup({
+    window = {documentation = cmp.config.window.bordered({border = "single"})},
+    formatting = {
+        format = function(entry, vim_item)
+            -- set a name for each source
+            vim_item.menu = ({
+                nvim_lsp = "[LSP]",
+                path = "[Path]",
+                buffer = "[Buffer]",
+                ultisnips = "[UltiSnips]"
+            })[entry.source.name]
+            return vim_item
+        end
+    },
+    completion = {
+        keyword_length = 1,
+        max_item_count = 20
+        -- autocomplete = false
+    },
+    snippet = {expand = function(args) vim.fn["UltiSnips#Anon"](args.body) end},
+    mapping = {
+        ['<C-u>'] = cmp.mapping.scroll_docs(-4),
+        ['<C-d>'] = cmp.mapping.scroll_docs(4),
+        ["<C-n>"] = cmp.mapping({
+            i = function()
+                if cmp.visible() then
+                    cmp.select_next_item({behavior = cmp.SelectBehavior.Insert})
+                else
+                    cmp.complete()
+                end
+            end
+        })
+    },
+    sources = {
+        {name = 'nvim_lsp', max_item_count = 8, keyword_length = 3},
+        {name = 'path'},
+        {name = 'buffer',
+					option = {
+						keyword_length = 4,
+						max_item_count = 20,
+						get_bufnrs = function()
+							return vim.api.nvim_list_bufs()
+						end
+					}},
+        {name = 'ultisnips', priority_weight = 10, keyword_length = 1}
+    }
+})