Add more than one validate in mongoose

Question

I have this Schema:

var userSchema = new mongoose.Schema({
    name: {type: String,required: true,lowercase: true, trim: true},
    email: {type: String, required : true, validate: validateEmail },
    createdOn: { type: Date, default: Date.now },
    lastLogin: { type: Date, default: Date.now }
});

and this are my validation "rules"

var isNotTooShort = function(string) {
    return string && string.length >= 5;
};

var onlyLettersAllow = function(string) {
    var myRegxp = /^[a-zA-Z]+$/i;
    return  myRegxp.test(string);
};

To validate my name field I tried this:

userSchema.path('name').validate(isNotTooShort, 'Is too short');
userSchema.path('name').validate(onlyLettersAllow, 'Only Letters');

and it works. Can I add multiple validation on a field in Schema? Something like:

validate:[onlyLettersAllow,isNotTooShort]

Answer 1

You can add more than one validation like this:

var manyValidators = [
    { validator: isNotTooShort, msg: 'Is too short' },
    { validator: onlyLettersAllow, msg: 'Only Letters' }
];

var userSchema = new Schema({ 
    name: { type: String, validate: manyValidators },
    email: {type: String, required : true, validate: validateEmail },
    createdOn: { type: Date, default: Date.now },
    lastLogin: { type: Date, default: Date.now }
});