Function unwrapSchema

src/schematizers/schematizer-arktype/index.ts:29–78

(
  schema: any,
  defaultValue?: any,
  allowNull?: boolean,
)

import {createCustomSchematizer} from '../index.ts';

const unwrapSchema = (
  schema: any,
  defaultValue?: any,
  allowNull?: boolean,
): [any, any, boolean] => {
  const schemaData = schema?.json ?? schema;

  if (isArray(schemaData)) {
    const hasNull = !arrayEvery(
      schemaData,
      (item: any) => !isNull(item?.[UNIT]) && !isNull(item),
    );

    if (
      size(schemaData) === 2 &&
      isFalse((schemaData[0] as any)?.[UNIT]) &&
      isTrue((schemaData[1] as any)?.[UNIT])
    ) {
      return [{[TYPE]: BOOLEAN}, defaultValue, allowNull ?? false];
    }

    if (arrayEvery(schemaData, (item: any) => isString(item?.[UNIT] ?? item))) {
      return [{[TYPE]: STRING}, defaultValue, allowNull ?? false];
    }

    if (hasNull) {
      const nonNullItem = arrayFind(
        schemaData,
        (item: any) => !isNull(item?.[UNIT]) && !isNull(item) && item !== '=',
      );
      if (nonNullItem) {
        return unwrapSchema(nonNullItem, defaultValue, true);
      }
    }
  }

  if (!isArray(schemaData) && !isUndefined(schemaData?.[SEQUENCE])) {
    return [{[TYPE]: ARRAY}, defaultValue, allowNull ?? false];
  }

  if (!isArray(schemaData) && isString(schemaData?.[UNIT])) {
    return [{[TYPE]: STRING}, defaultValue, allowNull ?? false];
  }

  return [
    {[TYPE]: schemaData?.[DOMAIN] || schemaData},
    defaultValue,
    allowNull ?? false,
  ];
};

const getProperties = (schema: any) => {
  const properties: {[key: string]: any} = objNew();