fix(nvim): untemplating nvim-cmp to remove copilot

1 files changed, 119 insertions, 0 deletions

diff --git a/dot_config/nvim/lua/plugins/nvim-cmp.lua b/dot_config/nvim/lua/plugins/nvim-cmp.lua
new file mode 100644
index 0000000..151e67b
--- /dev/null
+++ b/dot_config/nvim/lua/plugins/nvim-cmp.lua
@@ -0,0 +1,119 @@
+return {
+    "hrsh7th/nvim-cmp",
+    version = false, -- last release is way too old
+    event = { "InsertEnter", "CmdlineEnter" },
+    dependencies = {
+        "L3MON4D3/LuaSnip",             -- Snippet engine
+        "rafamadriz/friendly-snippets", -- Useful snippets in VSCode snippet format
+        "onsails/lspkind.nvim",         -- Pretty formatting in the completion menu
+
+        -- Completion sources
+        "hrsh7th/cmp-nvim-lsp",
+        "hrsh7th/cmp-nvim-lsp-signature-help",
+        "hrsh7th/cmp-buffer",
+        "hrsh7th/cmp-path",
+        "saadparwaiz1/cmp_luasnip",
+    },
+    config = function()
+        local cmp = require("cmp")
+        local luasnip = require("luasnip")
+
+        -- Load any VSCode-style snippets from other installed plugins
+        require("luasnip.loaders.from_vscode").lazy_load()
+
+        cmp.setup({
+            completion = {
+                -- See :help completeopt
+                completeopt = "menu,menuone,noinsert,preview",
+            },
+            snippet = {
+                expand = function(args)
+                    luasnip.lsp_expand(args.body)
+                end,
+            },
+            mapping = cmp.mapping.preset.insert({
+                ["<C-n>"] = cmp.mapping.select_next_item({ behavior = cmp.SelectBehavior.Insert }),
+                ["<C-p>"] = cmp.mapping.select_prev_item({ behavior = cmp.SelectBehavior.Insert }),
+                ["<C-b>"] = cmp.mapping.scroll_docs(-4),
+                ["<C-f>"] = cmp.mapping.scroll_docs(4),
+
+                -- Ctrl+Space does not currently work in Neovim core on Windows
+                -- https://github.com/neovim/neovim/issues/8435
+                -- ["<C-Space>"] = cmp.mapping.complete(),
+                ["<C-c>"] = cmp.mapping.complete(),
+
+                ["<C-e>"] = cmp.mapping.abort(),
+                ["<C-y>"] = cmp.mapping.confirm({
+                    -- Accept currently selected item
+                    behavior = cmp.ConfirmBehavior.Insert,
+                    select = true,
+                }),
+                ["<C-S-y>"] = cmp.mapping.confirm({
+                    -- Accept currently selected item, replacing stuff as needed
+                    behavior = cmp.ConfirmBehavior.Replace,
+                    select = true,
+                }),
+                ["<CR>"] = cmp.mapping({
+                    -- https://github.com/hrsh7th/nvim-cmp/wiki/Example-mappings#safely-select-entries-with-cr
+                    i = function(fallback)
+                        -- In insert mode, only use Enter to complete something if cmp
+                        -- is active and the user has explicitly selected an item
+                        if cmp.visible() and cmp.get_active_entry() then
+                            cmp.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = false })
+                        else
+                            fallback()
+                        end
+                    end,
+                    s = cmp.mapping.confirm({ select = true }),
+                    c = cmp.mapping.confirm({ behavior = cmp.ConfirmBehavior.Replace, select = true }),
+                }),
+            }),
+            sorting = {
+                priority_weight = 2,
+                comparators = {
+                    cmp.config.compare.exact,
+
+                    -- Mostly default sort order from cmp
+                    cmp.config.compare.offset,
+                    -- cmp.config.compare.scopes, --this is commented in nvim-cmp too
+                    cmp.config.compare.score,
+                    cmp.config.compare.recently_used,
+                    cmp.config.compare.locality,
+                    cmp.config.compare.kind,
+                    cmp.config.compare.sort_text,
+                    cmp.config.compare.length,
+                    cmp.config.compare.order,
+                },
+            },
+            sources = {
+                -- LSP results should be first priority
+                { name = "nvim_lsp",                group_index = 1 },
+
+                { name = "nvim_lsp_signature_help", group_index = 2 },
+                { name = "luasnip",                 group_index = 2 },
+                { name = "path",                    group_index = 2 },
+                { name = "buffer",                  group_index = 2, keyword_length = 5 },
+            },
+            formatting = {
+                format = require("lspkind").cmp_format({
+                    mode = "symbol_text",
+                    -- maxwidth = 50,
+                    maxwidth = function()
+                        return math.floor(0.45 * vim.o.columns)
+                    end,
+                    ellipsis_char = "...",
+                    show_labelDetails = true,
+                }),
+            },
+            experimental = {
+                ghost_text = {
+                    hl_group = "LspCodeLens",
+                },
+            },
+            window = {
+                completion = cmp.config.window.bordered(),
+                documentation = cmp.config.window.bordered(),
+            },
+        })
+    end,
+}