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dotfiles/.config/nvim/lua/plugin/cmp.lua

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-- Author : swytch
-- Created : Saturday Sept. 11, 2021 22:12:33 CET
-- License : GPLv3
-- Description : cmp plugin config file
local cmp = require("cmp")
local luasnip = require("luasnip")
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local cmp_autopairs = require('nvim-autopairs.completion.cmp')
local check_backspace = function()
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
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-- If you want insert `(` after select function or method item
cmp.event:on( 'confirm_done', cmp_autopairs.on_confirm_done({ map_char = { tex = '' } }))
cmp.setup {
completion = {
autocomplete = false
},
sources = {
{ name = "path" },
{ name = "luasnip" },
{ name = "nvim_lsp" },
{ name = "buffer" },
{ name = "nvim_lua" },
{ name = "calc" },
{ name = "spell" },
{ name = "treesitter" },
},
formatting = {
format = function(entry, vim_item)
vim_item.menu = ({
nvim_lsp = "[lsp]",
nvim_lua = "[nvim]",
luasnip = "[snip]",
path = "[path]",
buffer = "[buff]",
calc = "[calc]",
spell = "[spel]",
treesitter = "[tree]",
})[entry.source.name]
return vim_item
end,
},
snippet = {
expand = function(args)
require("luasnip").lsp_expand(args.body)
end,
},
mapping = {
["<C-d>"] = cmp.mapping.scroll_docs(-4),
["<C-f>"] = cmp.mapping.scroll_docs(4),
["<C-e>"] = cmp.mapping.close(),
["<CR>"] = cmp.mapping.confirm({
behavior = cmp.ConfirmBehavior.Replace,
select = true,
}),
["<Tab>"] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_next_item()
elseif luasnip.expand_or_jumpable() then
luasnip.expand_or_jump()
elseif check_backspace() 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" }),
}
}