js-data-projector/src/validate-projection-schema-definition.js

import {InvalidArgumentError} from '@e22m4u/js-format';
import {validateProjectionSchema} from './validate-projection-schema.js';

/**
 * Validate projection schema definition.
 *
 * @param {object} schemaDef
 */
export function validateProjectionSchemaDefinition(schemaDef) {
  if (!schemaDef || typeof schemaDef !== 'object' || Array.isArray(schemaDef)) {
    throw new InvalidArgumentError(
      'Schema definition must be an Object, but %v was given.',
      schemaDef,
    );
  }
  if (!schemaDef.name || typeof schemaDef.name !== 'string') {
    throw new InvalidArgumentError(
      'Definition option "name" must be a non-empty String, but %v was given.',
      schemaDef.name,
    );
  }
  if (
    !schemaDef.schema ||
    (typeof schemaDef.schema !== 'object' &&
      typeof schemaDef.schema !== 'function' &&
      typeof schemaDef.schema !== 'string') ||
    Array.isArray(schemaDef.schema)
  ) {
    throw new InvalidArgumentError(
      'Definition option "schema" must be an Object, a Function ' +
        'or a non-empty String, but %v was given.',
      schemaDef.schema,
    );
  }
  validateProjectionSchema(schemaDef.schema);
}