.config/nvim/lua/setup/lspconfig.lua


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require("nvim-lsp-installer").setup {}
local lspconfig = require("lspconfig")

local function on_attach()
    vim.cmd('doautocmd User lspAttached')
    vim.cmd('augroup Format')
    vim.cmd('autocmd! * <buffer>')
    vim.cmd('autocmd BufWritePre <buffer> lua vim.lsp.buf.formatting_sync()')
    vim.cmd('augroup END')
end

lspconfig.sumneko_lua.setup {
    on_attach = on_attach,
    settings = {
        Lua = {
            diagnostics = {
                globals = { 'vim' }
            }
        }
    }
}
lspconfig.rust_analyzer.setup {
    on_attach = on_attach,
}

local signs = { Error = " ", Warn = " ", Hint = " ", Info = " " }
for type, icon in pairs(signs) do
    local hl = "DiagnosticSign" .. type
    vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
end