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local debug = require("lsp-debug-tools")

local function filter_by(expected)

return function(bufnr)

if #expected == 0 then

return true

end

local filetype = vim.api.nvim_buf_get_option(bufnr, "filetype");

local found = false

for i = 1, #expected do

if filetype == expected[i] then

found = true

break

end

end

return found

end

end

local id = nil

local filter = filter_by({})

local config = nil

local function attach_lsp(args)

if id == nil then

return

end

local bufnr = args.buffer or args.buf;

if not bufnr or not filter(bufnr) then

return;

end

if not vim.lsp.buf_is_attached(args.buffer, id) then

vim.lsp.buf_attach_client(args.buffer, id);

end

end

vim.api.nvim_create_autocmd("BufNew", {

callback = attach_lsp

});

vim.api.nvim_create_autocmd("BufEnter", {

callback = attach_lsp,

});

local function start(opts)

if id ~= nil then

return

end

config = vim.tbl_deep_extend("force", {}, {

expected = { "javascript", "javascriptreact", "typescript", "typescriptreact" },

name = "jsperf-lsp",

cmd = { "jsperf-lsp", "--level", "DEBUG" },

root_dir = vim.fs.dirname(

vim.fs.find({ "package.json" }, { upward = true })[1]

)

}, opts or {})

id = vim.lsp.start_client({

name = opts.name,

cmd = opts.cmd,

root_dir = opts.root_dir,

handlers = opts.handlers,

})

filter = filter_by(config.expected)

local bufnr = vim.api.nvim_get_current_buf()

print("lsp attaching...")

attach_lsp({ buffer = bufnr })

print("lsp attached")

end

local function stop()

if id == nil then

return

end

vim.lsp.stop_client(id)

id = nil

end

function restart_java_lsp()

stop();

start({

expected = {},

name = "java-lsp",

cmd = {

"/home/henrique/repositorios/java-language-server/dist/java_lsp",

},

root_dir = vim.loop.cwd(),

handlers = {

["textDocument/publishDiagnostics"] = vim.lsp.with(

vim.lsp.diagnostic.on_publish_diagnostics,

{ virtual_text = false, signs = true, update_in_insert = false, underline = true}

),

}

});

end