my-nvim-setup/lua/plugins/lspconfig.lua

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local lspconfig, lspinstall
if
not pcall(
function()
lspconfig = require "lspconfig"
lspinstall = require "lspinstall"
end
)
then
return
end
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local function on_attach(client, bufnr)
vim.api.nvim_buf_set_option(bufnr, "omnifunc", "v:lua.vim.lsp.omnifunc")
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local opts = {noremap = true, silent = true}
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local function buf_set_keymap(...)
vim.api.nvim_buf_set_keymap(bufnr, ...)
end
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-- Mappings.
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buf_set_keymap("n", "gD", "<Cmd>lua vim.lsp.buf.declaration()<CR>", opts)
buf_set_keymap("n", "gd", "<Cmd>lua vim.lsp.buf.definition()<CR>", opts)
buf_set_keymap("n", "K", "<Cmd>lua vim.lsp.buf.hover()<CR>", opts)
buf_set_keymap("n", "gi", "<cmd>lua vim.lsp.buf.implementation()<CR>", opts)
buf_set_keymap("n", "<C-k>", "<cmd>lua vim.lsp.buf.signature_help()<CR>", opts)
buf_set_keymap("n", "<space>wa", "<cmd>lua vim.lsp.buf.add_workspace_folder()<CR>", opts)
buf_set_keymap("n", "<space>wr", "<cmd>lua vim.lsp.buf.remove_workspace_folder()<CR>", opts)
buf_set_keymap("n", "<space>wl", "<cmd>lua print(vim.inspect(vim.lsp.buf.list_workspace_folders()))<CR>", opts)
buf_set_keymap("n", "<space>D", "<cmd>lua vim.lsp.buf.type_definition()<CR>", opts)
buf_set_keymap("n", "<space>rn", "<cmd>lua vim.lsp.buf.rename()<CR>", opts)
buf_set_keymap("n", "gr", "<cmd>lua vim.lsp.buf.references()<CR>", opts)
buf_set_keymap("n", "<space>e", "<cmd>lua vim.lsp.diagnostic.show_line_diagnostics()<CR>", opts)
buf_set_keymap("n", "[d", "<cmd>lua vim.lsp.diagnostic.goto_prev()<CR>", opts)
buf_set_keymap("n", "]d", "<cmd>lua vim.lsp.diagnostic.goto_next()<CR>", opts)
buf_set_keymap("n", "<space>q", "<cmd>lua vim.lsp.diagnostic.set_loclist()<CR>", opts)
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-- Set some keybinds conditional on server capabilities
if client.resolved_capabilities.document_formatting then
buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.formatting()<CR>", opts)
elseif client.resolved_capabilities.document_range_formatting then
buf_set_keymap("n", "<space>f", "<cmd>lua vim.lsp.buf.range_formatting()<CR>", opts)
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end
end
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local capabilities = vim.lsp.protocol.make_client_capabilities()
capabilities.textDocument.completion.completionItem.snippetSupport = true
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-- lspInstall + lspconfig stuff
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local function setup_servers()
lspinstall.setup()
local servers = lspinstall.installed_servers()
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for _, lang in pairs(servers) do
if lang ~= "lua" then
lspconfig[lang].setup {
on_attach = on_attach,
capabilities = capabilities,
root_dir = vim.loop.cwd
}
elseif lang == "lua" then
lspconfig[lang].setup {
root_dir = vim.loop.cwd,
settings = {
Lua = {
diagnostics = {
globals = {"vim"}
},
workspace = {
library = {
[vim.fn.expand("$VIMRUNTIME/lua")] = true,
[vim.fn.expand("$VIMRUNTIME/lua/vim/lsp")] = true
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},
maxPreload = 100000,
preloadFileSize = 10000
},
telemetry = {
enable = false
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}
}
}
}
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end
end
end
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setup_servers()
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-- Automatically reload after `:LspInstall <server>` so we don't have to restart neovim
lspinstall.post_install_hook = function()
setup_servers() -- reload installed servers
vim.cmd("bufdo e") -- triggers FileType autocmd that starts the server
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end
-- replace the default lsp diagnostic letters with prettier symbols
vim.fn.sign_define("LspDiagnosticsSignError", {text = "", numhl = "LspDiagnosticsDefaultError"})
vim.fn.sign_define("LspDiagnosticsSignWarning", {text = "", numhl = "LspDiagnosticsDefaultWarning"})
vim.fn.sign_define("LspDiagnosticsSignInformation", {text = "", numhl = "LspDiagnosticsDefaultInformation"})
vim.fn.sign_define("LspDiagnosticsSignHint", {text = "", numhl = "LspDiagnosticsDefaultHint"})