Express JS Validator function errorr - node.js

Question

i was learning how to make a login system with Express JS and a got that error in the Validator function and i don't know what's wrong with it nothing wrong with the syntax and it works in the tutorial that i am watching after serching in Github and other sites i found nothing and when i asked someone he told me something about NodeJs version but i am not sure about that, i don't know how to fix that.
This is my erorr:
//the erorr msg
erorrFormatter: fuction(param, msg, value){
^
SyntaxError: Unexpected token {
at new Script (vm.js:74:7)
at createScript (vm.js:246:10)
at Object.runInThisContext (vm.js:298:10)
at Module._compile (internal/modules/cjs/loader.js:670:28)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:713:10)
at Module.load (internal/modules/cjs/loader.js:612:32)
at tryModuleLoad (internal/modules/cjs/loader.js:551:12)
at Function.Module._load (internal/modules/cjs/loader.js:543:3)
at Function.Module.runMain (internal/modules/cjs/loader.js:744:10)
at startup (internal/bootstrap/node.js:238:19)
Here is my code:
//my server code
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var bodyParser = require('body-parser');
var session = require('express-session');
var passport = require('passport');
var expressValidator = require('express-validator');
var LocalStrategu = require('passport-local').Strategy;
var multer = require('multer');
var upload = multer({dest: './uploads'});
var flash = require('connect-flash');
var mongo = require('mongodb');
var mongoose = require('mongoose');
var db = mongoose.connection;
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
//Handel sessions
app.use(session({
secret: 'secret',
saveUninitialized: true,
resave: true
}));
//Passport
app.use(passport.initialize());
app.use(passport.session());
//Validator
app.use(expressValidator({
erorrFormatter: fuction(param, msg, value){
var namespace = param.split('.');
var root = namespace.shift();
var formOaram = root;
while(namespace.length){
formParam += '[' + namespace.shift() + ']';
}
return{
param : formParam,
msg : msg,
value : value
};
}
}));
app.use(require('connect-flash')());
app.use(function (req, res, next) {
res.locals.messages = require('express-messages')(req, res);
next();
});
app.use('/', indexRouter);
app.use('/users', usersRouter);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
next(createError(404));
});
// error handler
app.use(function(err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
// render the error page
res.status(err.status || 500);
res.render('error');
});
module.exports = app;

Answer 1

Right, in your code you have the following;
erorrFormatter: fuction(param, msg, value){
There is a missing n in this, so replace with;
erorrFormatter: function(param, msg, value){
Simple typographical error in this instance, but adding the n should resolve pretty quickly