nvim: split plugins into multiple files

.config/nvim/lua/plugins/nvim-cmp.lua

@@ -0,0 +1,84 @@
+return {
+  -- autocompletion and its sources and snippets
+  {
+    'hrsh7th/nvim-cmp',
+    dependencies = {
+      'nvim-lua/plenary.nvim',
+      'onsails/lspkind-nvim',
+      -- cmp sources
+      'hrsh7th/cmp-buffer',
+      'hrsh7th/cmp-path',
+      'lukas-reineke/cmp-under-comparator',
+      -- luasnip
+      {
+        'l3mon4d3/luasnip',
+        config = function()
+          require("luasnip.loaders.from_snipmate")
+        end,
+        dependencies = { 'saadparwaiz1/cmp_luasnip' }
+      },
+    },
+    config = function()
+      local cmp = require("cmp")
+      cmp.setup {
+        sorting = {
+          comparators = {
+            cmp.config.compare.offset,
+            cmp.config.compare.exact,
+            cmp.config.compare.score,
+            require "cmp-under-comparator".under,
+            cmp.config.compare.kind,
+            cmp.config.compare.sort_text,
+            cmp.config.compare.length,
+            cmp.config.compare.order
+          },
+        },
+        snippet = {
+          expand = function(args)
+            require("luasnip").lsp_expand(args.body)
+          end
+        },
+        mapping = {
+          ['<S-Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.select_prev_item()
+            elseif require("luasnip").jumpable(-1) then
+              require("luasnip").jump(-1)
+            else
+              fallback()
+            end
+          end, { "i", "s" }),
+          ['<Tab>'] = cmp.mapping(function(fallback)
+            if cmp.visible() then
+              cmp.select_next_item()
+            elseif require("luasnip").expand_or_jumpable() then
+              require("luasnip").expand_or_jump()
+            else
+              fallback()
+            end
+          end, { "i", "s" }),
+          ['<C-e>'] = cmp.mapping.close(),
+          ['<CR>'] = cmp.mapping.confirm {
+            behavior = cmp.ConfirmBehavior.Replace,
+            select = true
+          }
+        },
+        sources = {
+          { name = 'nvim_lsp' },
+          { name = 'path' },
+          { name = 'buffer' },
+          { name = 'luasnip' }
+        },
+        formatting = {
+          format = require("lspkind").cmp_format({
+            mode = "symbol_text",
+            preset = "codicons",
+            maxwidth = 50,
+            menu = Menu_signs,
+            symbol_map = Lsp_signs
+          })
+        }
+      }
+    end
+  }
+}