Central definition schema with AJV + dynamic definitions

ajv.js

// Objective: Define all schema definitions within a single schema '$id: core'
// + add definitions dynamically

it.only('extend Ajv definitions', async () => {
  let res
  let core1 = {
    $id: 'core',
    definitions: {
      first: {
        type: 'object',
        properties: {
          title: { type: 'string' },
        },
        additionalProperties: false,
      },
    },
  }

  let core2 = {
    definitions: {
      $id: 'core',
      second: {
        type: 'object',
        properties: {
          name: { type: 'string' },
          value: { type: 'number' },
        },
        additionalProperties: false,
      },
    },
  }

  let schema = {
    $id: 'demo',
    type: 'object',
    properties: {
      x: { $ref: 'core#/definitions/first' },
      y: { $ref: 'core#/definitions/second' },
    },
  }

  var ajv = new Ajv({ schemas: [core1] })
  res = ajv.getSchema('core')
  res.schema.definitions.second = core2.definitions.second
  ajv.addSchema(schema)

  let sample = {
    x: { title: 'my title' },
    y: { name: 'my name' },
    //
  }

  let validate = ajv.getSchema('demo')
  res = validate(sample)
  assert(res)
})