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@VonHeikemen
Last active Jun 23, 2022
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What would you like to do?
nvim-lspconfig + nvim-cmp setup
--[[
Dependencies:
LSP:
https://github.com/neovim/nvim-lspconfig
https://github.com/williamboman/nvim-lsp-installer (optional)
Completion:
https://github.com/hrsh7th/nvim-cmp
https://github.com/hrsh7th/cmp-nvim-lsp
https://github.com/hrsh7th/cmp-buffer
https://github.com/hrsh7th/cmp-path
https://github.com/saadparwaiz1/cmp_luasnip
Snippets:
https://github.com/L3MON4D3/LuaSnip
https://github.com/rafamadriz/friendly-snippets
]]
---
-- Keybindings
---
vim.api.nvim_create_autocmd('User', {
pattern = 'LspAttached',
desc = 'LSP actions',
callback = function()
local bufmap = function(mode, lhs, rhs)
local opts = {buffer = true}
vim.keymap.set(mode, lhs, rhs, opts)
end
bufmap('n', 'K', '<cmd>lua vim.lsp.buf.hover()<cr>')
bufmap('n', 'gd', '<cmd>lua vim.lsp.buf.definition()<cr>')
bufmap('n', 'gD', '<cmd>lua vim.lsp.buf.declaration()<cr>')
bufmap('n', 'gi', '<cmd>lua vim.lsp.buf.implementation()<cr>')
bufmap('n', 'go', '<cmd>lua vim.lsp.buf.type_definition()<cr>')
bufmap('n', 'gr', '<cmd>lua vim.lsp.buf.references()<cr>')
bufmap('n', '<C-k>', '<cmd>lua vim.lsp.buf.signature_help()<cr>')
bufmap('n', '<F2>', '<cmd>lua vim.lsp.buf.rename()<cr>')
bufmap('n', '<F4>', '<cmd>lua vim.lsp.buf.code_action()<cr>')
bufmap('x', '<F4>', '<cmd>lua vim.lsp.buf.range_code_action()<cr>')
bufmap('n', 'gl', '<cmd>lua vim.diagnostic.open_float()<cr>')
bufmap('n', '[d', '<cmd>lua vim.diagnostic.goto_prev()<cr>')
bufmap('n', ']d', '<cmd>lua vim.diagnostic.goto_next()<cr>')
end
})
---
-- Diagnostics
---
local sign = function(opts)
vim.fn.sign_define(opts.name, {
texthl = opts.name,
text = opts.text,
numhl = ''
})
end
sign({name = 'DiagnosticSignError', text = ''})
sign({name = 'DiagnosticSignWarn', text = ''})
sign({name = 'DiagnosticSignHint', text = ''})
sign({name = 'DiagnosticSignInfo', text = ''})
vim.diagnostic.config({
virtual_text = false,
severity_sort = true,
float = {
border = 'rounded',
source = 'always',
header = '',
prefix = '',
},
})
vim.lsp.handlers['textDocument/hover'] = vim.lsp.with(
vim.lsp.handlers.hover,
{border = 'rounded'}
)
vim.lsp.handlers['textDocument/signatureHelp'] = vim.lsp.with(
vim.lsp.handlers.signature_help,
{border = 'rounded'}
)
---
-- LSP config
---
-- require('nvim-lsp-installer').setup({})
local lsp_defaults = {
flags = {
debounce_text_changes = 150,
},
capabilities = require('cmp_nvim_lsp').update_capabilities(
vim.lsp.protocol.make_client_capabilities()
),
on_attach = function(client, bufnr)
vim.api.nvim_exec_autocmds('User', {pattern = 'LspAttached'})
end
}
local lspconfig = require('lspconfig')
lspconfig.util.default_config = vim.tbl_deep_extend(
'force',
lspconfig.util.default_config,
lsp_defaults
)
---
-- LSP servers
---
-- lspconfig.tsserver.setup({})
-- lspconfig.html.setup({})
-- lspconfig.cssls.setup({})
-- lspconfig.sumneko_lua.setup({})
---
-- Autocomplete
---
require('luasnip.loaders.from_vscode').lazy_load()
local cmp = require('cmp')
local luasnip = require('luasnip')
local select_opts = {behavior = cmp.SelectBehavior.Select}
cmp.setup({
snippet = {
expand = function(args)
luasnip.lsp_expand(args.body)
end
},
sources = {
{name = 'path'},
{name = 'nvim_lsp', keyword_length = 3},
{name = 'buffer', keyword_length = 3},
{name = 'luasnip', keyword_length = 2},
},
window = {
documentation = cmp.config.window.bordered()
},
formatting = {
fields = {'menu', 'abbr', 'kind'},
format = function(entry, item)
local menu_icon = {
nvim_lsp = 'λ',
luasnip = '',
buffer = 'Ω',
path = '🖫',
}
item.menu = menu_icon[entry.source.name]
return item
end,
},
mapping = {
['<Up>'] = cmp.mapping.select_prev_item(select_opts),
['<Down>'] = cmp.mapping.select_next_item(select_opts),
['<C-p>'] = cmp.mapping.select_prev_item(select_opts),
['<C-n>'] = cmp.mapping.select_next_item(select_opts),
['<C-u>'] = cmp.mapping.scroll_docs(-4),
['<C-f>'] = cmp.mapping.scroll_docs(4),
['<C-e>'] = cmp.mapping.abort(),
['<CR>'] = cmp.mapping.confirm({select = true}),
['<C-d>'] = cmp.mapping(function(fallback)
if luasnip.jumpable(1) then
luasnip.jump(1)
else
fallback()
end
end, {'i', 's'}),
['<C-b>'] = cmp.mapping(function(fallback)
if luasnip.jumpable(-1) then
luasnip.jump(-1)
else
fallback()
end
end, {'i', 's'}),
['<Tab>'] = cmp.mapping(function(fallback)
local col = vim.fn.col('.') - 1
if cmp.visible() then
cmp.select_next_item(select_opts)
elseif col == 0 or vim.fn.getline('.'):sub(col, col):match('%s') then
fallback()
else
cmp.complete()
end
end, {'i', 's'}),
['<S-Tab>'] = cmp.mapping(function(fallback)
if cmp.visible() then
cmp.select_prev_item(select_opts)
else
fallback()
end
end, {'i', 's'}),
},
})
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