Joi object key type

Question

I have object with dynamic string keys with string values,

{
  [string]: string
}

how can I do this?

Joi.object().keys({
  [Joi.string()]: Joi.string()
})

not working :(

Possible duplicate of [Is there a way to validate dynamic key names in a Joi schema?](https://stackoverflow.com/questions/43050870/is-there-a-way-to-validate-dynamic-key-names-in-a-joi-schema) — Ankh, Aug 15 '18 at 09:10

score 10 · Accepted Answer · answered Aug 14 '18 at 13:27

You want to use Joi.object().pattern(). From the Joi docs, this lets you provide:

A pattern that can be either a regular expression or a joi schema that will be tested against the unknown key names.

const schema = Joi.object().pattern(
    Joi.string(), Joi.string()
)

1 Answers1