q42-cms-components/schema/schema-scripts.js

export function initialValue(schema, isProp) {
  if (schema.enum) {
    return schema.enum[0];
  }
  if (schema.$ref) {
    return null;
  }
  switch (schema.type) {
    case 'string':
      if (!schema.required)
        return null;

      switch (schema.format) {
        case 'datetime-picker':
          return new Date();
        default:
          return '';
      }
    case 'integer':
    case 'number':
      return 0;
    case 'boolean':
      return false;
    case 'null':
      return null;
    case 'array':
      return schema.minLength && !schema.items.oneOf
        ? Array(schema.minLength).fill(0).map(() => initialValue(schema.items))
        : [];
    default:
      if (!schema.properties)
        throw `Missing initialiser for type ${schema.type}`;
      if (!schema.required && isProp)
        return null;
      if (schema.oneOf && isProp)
        return null;
      var value = { $type: null };
      for (var p in schema.properties) {
        value[p] = initialValue(schema.properties[p], true);
      }
      return value;
  }
}

export function isSimpleProp(schema) {
  return !(schema.type == 'object' || (schema.type == 'array' && schema.items.type == 'object'));
}