jones-nvim-config/lua/config/nvim-cmp.lua

79 lines
2.9 KiB
Lua

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
local luasnip = require("luasnip")
local cmp = require("cmp")
cmp.setup({
snippet = {
-- REQUIRED - you must specify a snippet engine
expand = function(args)
require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
end,
},
mapping = cmp.mapping.preset.insert({
-- Use <C-b/f> to scroll the docs
['<C-b>'] = cmp.mapping.scroll_docs( -4),
['<C-f>'] = cmp.mapping.scroll_docs(4),
-- Use <C-k/j> to switch in items
['<C-k>'] = cmp.mapping.select_prev_item(),
['<C-j>'] = cmp.mapping.select_next_item(),
-- Use <CR>(Enter) to confirm selection
-- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
['<CR>'] = cmp.mapping.confirm({ select = true }),
-- A super tab
-- sourc: https://github.com/hrsh7th/nvim-cmp/wiki/Example-mappings#luasnip
["<Tab>"] = cmp.mapping(function(fallback)
-- Hint: if the completion menu is visible select next one
if cmp.visible() then
cmp.select_next_item()
elseif has_words_before() then
cmp.complete()
else
fallback()
end
end, { "i", "s" }), -- i - insert mode; s - select mode
["<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" }),
}),
-- Let's configure the item's appearance
-- source: https://github.com/hrsh7th/nvim-cmp/wiki/Menu-Appearance
formatting = {
-- Set order from left to right
-- kind: single letter indicating the type of completion
-- abbr: abbreviation of "word"; when not empty it is used in the menu instead of "word"
-- menu: extra text for the popup menu, displayed after "word" or "abbr"
fields = { 'abbr', 'menu' },
-- customize the appearance of the completion menu
format = function(entry, vim_item)
vim_item.menu = ({
nvim_lsp = '[Lsp]',
luasnip = '[Luasnip]',
buffer = '[File]',
path = '[Path]',
})[entry.source.name]
return vim_item
end,
},
-- Set source precedence
sources = cmp.config.sources({
{ name = 'nvim_lsp' }, -- For nvim-lsp
{ name = 'luasnip' }, -- For luasnip user
{ name = 'buffer' }, -- For buffer word completion
{ name = 'path' }, -- For path completion
})
})