Function buildOneOf

index.js:1118–1168

(context, location, input)

}

function buildOneOf (context, location, input) {
  context.validatorSchemasIds.add(location.schemaId)

  const schema = location.schema

  const type = schema.anyOf ? 'anyOf' : 'oneOf'
  const { [type]: oneOfs, ...schemaWithoutAnyOf } = location.schema

  const locationWithoutOneOf = new Location(
    schemaWithoutAnyOf,
    location.schemaId,
    location.jsonPointer
  )
  const oneOfsLocation = location.getPropertyLocation(type)

  let code = ''

  for (let index = 0, oneOfsLength = oneOfs.length; index < oneOfsLength; index++) {
    const optionLocation = oneOfsLocation.getPropertyLocation(index)
    const optionSchema = optionLocation.schema

    let mergedSchemaId = context.mergedSchemasIds.get(optionSchema)
    let mergedLocation = null
    if (mergedSchemaId) {
      mergedLocation = getMergedLocation(context, mergedSchemaId)
    } else {
      mergedSchemaId = `__fjs_merged_${schemaIdCounter++}`
      context.mergedSchemasIds.set(optionSchema, mergedSchemaId)

      mergedLocation = mergeLocations(context, mergedSchemaId, [
        locationWithoutOneOf,
        optionLocation
      ])
    }

    const nestedResult = buildValue(context, mergedLocation, input)
    const schemaRef = optionLocation.getSchemaRef()

    code += `
      ${index === 0 ? 'if' : 'else if'}(validator.validate("${schemaRef}", ${input})) {
        ${nestedResult}
      }
    `
  }

  code += `
    else throw new TypeError(\`The value of '${getSafeSchemaRef(context, location)}' does not match schema definition.\`)
  `

  return code
}

function buildIfThenElse (context, location, input) {
  context.validatorSchemasIds.add(location.schemaId)