Joi: Joi language not overriding message

[leore]

I am using the language option to override joi error messages.

It does not seem to be working. Am I doing it incorrectly or is this a bug

validate: {
    params: {
      zipcode: Joi.string().regex(/^\d{5}(?:-\d{4})?$/).required().options({
        language: {
          any: {
            allowOnly: 'not a valid zipcode'
          }
        }
      })
    }

The error message is this

"message": "zipcode with value 95120-123 fails to match the required pattern: /^\\d{5}(?:-\\d{4})?$/",

[Marsup]

You're not replacing the string.regex.base error.

[leore]

What do you mean?

[leore]

There is not much documentation on the language object so its kinda hard to figure out the right way to do this.

[Marsup]

Agree on the docs and I'll take a PR for that.

Look at the language file it's obvious. allowOnly has nothing to do with regex validation.

[leore]

Got it. Thanks!

[szkrd]

In case someone ends up here, here's the whole thing:

.when('type', {
      is: channelTypes.ITEM,
      then: joi.object({
        key: joi.string().regex(/^[a-fA-F0-9-]{16,64}$/).options({
          language: {
            string: {
              regex: {
                base: 'must be hexadecimal numbers separated with dashes'
              }
            }
          }
        })
      })
    })

[Marsup]

Since 8.1 you also can :

.when('type', {
      is: channelTypes.ITEM,
      then: joi.object({
        key: joi.string().regex(/^[a-fA-F0-9-]{16,64}$/).error(new Error('key must be hexadecimal numbers separated with dashes'))
      })
    })

But that would be replacing all errors whatever their type. There's also no key insertion or error templating yet so the message is up to you.

[Moise1]

@szkrd, thank you so much for your response. It worked for me.

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