nvim/lua/plugins/completion.lua

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2024-02-21 04:09:18 +00:00
return {
"hrsh7th/nvim-cmp",
dependencies = {
-- Adds LSP completion capabilities
"hrsh7th/cmp-buffer",
"hrsh7th/cmp-cmdline",
"hrsh7th/cmp-nvim-lsp",
"hrsh7th/cmp-path",
"neovim/nvim-lspconfig",
-- Snippets
"L3MON4D3/LuaSnip", -- snippet engine
"rafamadriz/friendly-snippets", -- pre-configured snippet texts
"saadparwaiz1/cmp_luasnip", -- nvim-cmp source
},
init = function()
local cmp = require("cmp")
local luasnip = require("luasnip")
local has_words_before = function()
unpack = unpack or table.unpack
local line, col = unpack(vim.api.nvim_win_get_cursor(0))
return col ~= 0 and vim.api.nvim_buf_get_lines(0, line - 1, line, true)[1]:sub(col, col):match("%s") == nil
end
require("mason").setup()
require("luasnip.loaders.from_vscode").lazy_load()
require("cmp").setup({
-- keybinds
mapping = cmp.mapping.preset.insert({
-- unsure
["<C-b>"] = cmp.mapping.scroll_docs(-4),
["<C-f>"] = cmp.mapping.scroll_docs(4),
["<C-o>"] = cmp.mapping.complete(),
["<C-e>"] = cmp.mapping.abort(),
-- return to confirm
["<CR>"] = cmp.mapping.confirm({ select = false }),
-- tab to select prev/next option
-- see: https://github.com/hrsh7th/nvim-cmp/wiki/Example-mappings#luasnip
["<Tab>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_next_item()
-- You could replace the expand_or_jumpable() calls with expand_or_locally_jumpable()
-- that way you will only jump inside the snippet region
elseif luasnip.expand_or_jumpable() then
luasnip.expand_or_jump()
elseif has_words_before() then
cmp.complete()
else
fallback()
end
end, { "i", "s" }),
["<S-Tab>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_prev_item()
elseif luasnip.jumpable(-1) then
luasnip.jump(-1)
else
fallback()
end
end, { "i", "s" }),
}),
-- snippet engine
snippet = {
expand = function(args)
require("luasnip").lsp_expand(args.body)
end,
},
-- snippet source
sources = cmp.config.sources({
{ name = "nvim_lsp" },
{ name = "luasnip" },
}, {
{ name = "buffer" },
{ name = "path" },
}),
})
end,
}