Lost ability to use "date-time" format in JSON Scheme (version 7.0.0)

[lnovelli]

HI,

I just upgraded to 7.0.0, but I get the following error when loading the store using a JSON scheme:

Error: unknown format "date-time" ignored in schema at path "#/properties/extra/properties/lastStartDate"

Nothing else has changed, just the packages upgrade. Am i missing something? 🤔

My JSON Scheme is the following:

  type AppDatabaseExtra = { lastStartDate: Date }
  
  type AppDatabaseModel = {
    extra: AppDatabaseExtra;
  }

  const AppDatabaseSchema: Schema<AppDatabaseModel> = {
    extra: {
      type: 'object',
      properties: {
        lastStartDate: {
          type: "string",
          format: "date-time"
        }
      }
    }
  }

And I initialize it like this:

  this.store = new Store<AppDatabaseModel>({
        name: "appDatabase",
        schema: AppDatabaseSchema,
        clearInvalidConfig: true
   });

Thank you

[sindresorhus]

Please read the release notes.

[ezzatron]

@sindresorhus Could you clarify if it's still supposed to be possible to use ajv formats as stated in the README? I've read the release notes (the part about ajv being updated to v7), but as far as I can tell it's currently impossible to use formats, which explains this issue.

In order to add formats to ajv v7, you need access to the Ajv instance, which conf does not seem to expose:

import Ajv from "ajv"
import addFormats from "ajv-formats"

const ajv = new Ajv()
addFormats(ajv)

[sindresorhus]

I missed that in Ajv release notes.

https://github.com/ajv-validator/ajv/blob/ab19dac8690bb3cfdfb0680e986be15d0f11bf75/docs/validation.md#formats

I think we can just depend on ajv-formats in conf since that's how it used to work. PR welcome.