55 lines
1.6 KiB
Lua
55 lines
1.6 KiB
Lua
-- ~/.config/nvim/lua/user/cmp.lua
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local cmp = require("cmp")
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cmp.setup({
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-- Throttle LSP completion requests.
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-- Default: no debounce → every keystroke fires a compiler pass (CPU heat).
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performance = {
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debounce = 300, -- wait 300ms after typing stops before requesting
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throttle = 500, -- max one completion request every 500ms
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max_view_entries = 30,
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},
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snippet = {
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expand = function(args)
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require("luasnip").lsp_expand(args.body)
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end,
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},
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mapping = cmp.mapping.preset.insert({
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["<C-b>"] = cmp.mapping.scroll_docs(-4),
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["<C-f>"] = cmp.mapping.scroll_docs(4),
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["<C-Space>"] = cmp.mapping.complete(),
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["<CR>"] = cmp.mapping.confirm({ select = true }), -- Confirm selection with Enter
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-- Tab to navigate forward through completion menu
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["<Tab>"] = cmp.mapping(function(fallback)
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if cmp.visible() then
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cmp.select_next_item()
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elseif require("luasnip").expand_or_jumpable() then
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require("luasnip").expand_or_jump()
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else
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fallback()
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end
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end, { "i", "s" }),
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-- Shift-Tab to navigate backward through completion menu
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["<S-Tab>"] = cmp.mapping(function(fallback)
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if cmp.visible() then
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cmp.select_prev_item()
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elseif require("luasnip").jumpable(-1) then
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require("luasnip").jump(-1)
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else
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fallback()
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end
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end, { "i", "s" }),
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}),
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sources = cmp.config.sources({
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{ name = "nvim_lsp" },
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{ name = "luasnip" }, -- Snippet support
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}, {
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{ name = "buffer" }, -- Buffer as a fallback source
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}),
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})
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-- Ensure that capabilities are extended for LSP
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local capabilities = require("cmp_nvim_lsp").default_capabilities(vim.lsp.protocol.make_client_capabilities())
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