Function extractDefaults

packages/core/src/mappers/renderer.ts:261–292

(schema: JsonSchema, rootSchema: JsonSchema)

 * @returns {any}
 */
export const extractDefaults = (schema: JsonSchema, rootSchema: JsonSchema) => {
  if (hasType(schema, 'object') && schema.default === undefined) {
    const result: { [key: string]: any } = {};
    for (const key in schema.properties) {
      const property = schema.properties[key];
      const resolvedProperty = property.$ref
        ? Resolve.schema(rootSchema, property.$ref, rootSchema)
        : property;
      if (resolvedProperty && resolvedProperty.default !== undefined) {
        result[key] = cloneDeep(resolvedProperty.default);
      }
    }
    // there could be more properties in allOf schemas
    if (schema.allOf && Array.isArray(schema.allOf)) {
      schema.allOf.forEach((allOfSchema) => {
        if (allOfSchema && allOfSchema.properties) {
          for (const key in allOfSchema.properties) {
            const property = allOfSchema.properties[key];
            const resolvedProperty = property.$ref
              ? Resolve.schema(rootSchema, property.$ref, rootSchema)
              : property;
            if (resolvedProperty && resolvedProperty.default !== undefined) {
              result[key] = cloneDeep(resolvedProperty.default);
            }
          }
        }
      });
    }
    return result;
  }
  return cloneDeep(schema.default);
};

/**
 * Whether an element's description should be hidden.