Function buildIfThenElse

index.js:1170–1236

(context, location, input)

}

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

  const {
    if: ifSchema,
    then: thenSchema,
    else: elseSchema,
    ...schemaWithoutIfThenElse
  } = location.schema

  const rootLocation = new Location(
    schemaWithoutIfThenElse,
    location.schemaId,
    location.jsonPointer
  )

  const ifLocation = location.getPropertyLocation('if')
  const ifSchemaRef = ifLocation.getSchemaRef()

  const thenLocation = location.getPropertyLocation('then')
  let thenMergedSchemaId = context.mergedSchemasIds.get(thenSchema)
  let thenMergedLocation = null
  if (thenMergedSchemaId) {
    thenMergedLocation = getMergedLocation(context, thenMergedSchemaId)
  } else {
    thenMergedSchemaId = `__fjs_merged_${schemaIdCounter++}`
    context.mergedSchemasIds.set(thenSchema, thenMergedSchemaId)

    thenMergedLocation = mergeLocations(context, thenMergedSchemaId, [
      rootLocation,
      thenLocation
    ])
  }

  if (!elseSchema) {
    return `
      if (validator.validate("${ifSchemaRef}", ${input})) {
        ${buildValue(context, thenMergedLocation, input)}
      } else {
        ${buildValue(context, rootLocation, input)}
      }
    `
  }

  const elseLocation = location.getPropertyLocation('else')
  let elseMergedSchemaId = context.mergedSchemasIds.get(elseSchema)
  let elseMergedLocation = null
  if (elseMergedSchemaId) {
    elseMergedLocation = getMergedLocation(context, elseMergedSchemaId)
  } else {
    elseMergedSchemaId = `__fjs_merged_${schemaIdCounter++}`
    context.mergedSchemasIds.set(elseSchema, elseMergedSchemaId)

    elseMergedLocation = mergeLocations(context, elseMergedSchemaId, [
      rootLocation,
      elseLocation
    ])
  }