feat(autocmp): add autocomplete

lua/config/plugins/autocomplete.lua

@@ -0,0 +1,95 @@
+local cmp = require "cmp"
+
+local kind_icons = {
+  Text = "",
+  Method = "󰆧",
+  Function = "󰊕",
+  Constructor = "",
+  Field = "",
+  Variable = "",
+  Class = "",
+  Interface = "",
+  Module = "",
+  Property = "󰜢",
+  Unit = "",
+  Value = "󰎠",
+  Enum = "",
+  Keyword = "󰌋",
+  Snippet = "",
+  Color = "󰏘",
+  File = "󰈙",
+  Reference = "",
+  Folder = "󰉋",
+  EnumMember = "",
+  Constant = "󰏿",
+  Struct = "",
+  Event = "",
+  Operator = "󰆕",
+  TypeParameter = "󰅲",
+}
+
+cmp.setup{
+  completion = { completeopt = "menu,menuone" },
+
+  snippet = {
+    expand = function(args)
+      require("luasnip").lsp_expand(args.body)
+    end,
+  },
+
+  formatting = {
+    format = function(entry, vim_item)
+      -- Kind icons
+      vim_item.kind = string.format('\t%s %s\t', kind_icons[vim_item.kind], vim_item.kind) -- This concatenates the icons with the name of the item kind
+      -- Source
+      vim_item.menu = ({
+        buffer = "[Buffer]",
+        nvim_lsp = "[LSP]",
+        luasnip = "[LuaSnip]",
+        nvim_lua = "[Lua]",
+        latex_symbols = "[LaTeX]",
+      })[entry.source.name]
+      return vim_item
+    end
+  },
+
+  mapping = {
+    ["<C-p>"] = cmp.mapping.select_prev_item(),
+    ["<C-n>"] = cmp.mapping.select_next_item(),
+    ["<C-d>"] = cmp.mapping.scroll_docs(-4),
+    ["<C-f>"] = cmp.mapping.scroll_docs(4),
+    ["<C-Space>"] = cmp.mapping.complete(),
+    ["<C-e>"] = cmp.mapping.close(),
+
+    ["<CR>"] = cmp.mapping.confirm {
+      behavior = cmp.ConfirmBehavior.Insert,
+      select = true,
+    },
+
+    ["<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" }),
+
+    ["<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" }),
+  },
+
+  sources = {
+    { name = "nvim_lsp" },
+    { name = "buffer" },
+    { name = "path" },
+  },
+}