@apollo/client#FetchResult TypeScript Examples

The following examples show how to use @apollo/client#FetchResult. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: persistEntity.ts    From jmix-frontend with Apache License 2.0 5 votes vote down vote up 
export function persistEntity<
  TEntity = unknown,
  TData extends Record<string, any> = Record<string, any>,
  TVariables = unknown
  >(
  upsertItem: GraphQLMutationFn<TData, TVariables>,
  upsertInputName: string,
  updatedEntity: TEntity,
  updateResultName: string,
  listQueryName: string,
  entityName: string,
  isNewEntity: boolean,
  goToParentScreen: () => void,
  metadata: Metadata,
  persistEntityCallbacks?: PersistEntityCallbacks
) {
  upsertItem({
    variables: {
      [upsertInputName]: jmixFront_to_jmixGraphQL(updatedEntity, entityName, metadata)
    } as any,
    update(cache: ApolloCache<TData>, result: FetchResult<TData>) {
      const updateResult = result.data?.[updateResultName];
      // Reflect the update in Apollo cache
      cache.modify({
        fields: {
          [listQueryName](existingRefs = []) {
            const updatedItemRef = cache.writeFragment({
              id: `${entityName}:${updateResult.id}`,
              data: updatedEntity,
              fragment: gql(`
                      fragment New_${dollarsToUnderscores(entityName)} on ${dollarsToUnderscores(entityName)} {
                        id
                        type
                      }
                    `)
            });
            return [...existingRefs, updatedItemRef];
          }
        }
      });
    }
  }).then(action(({errors}: FetchResult<TData, Record<string, any>, Record<string, any>>) => {
    if (errors == null || errors.length === 0) {
      isNewEntity ? persistEntityCallbacks?.onCreate?.() : persistEntityCallbacks?.onEdit?.()
      goToParentScreen();
    } else {
      console.error(errors);
      persistEntityCallbacks?.onError?.();
    }
  }))
    .catch((e: Error | ApolloError) => {
      const constraintViolations = (e as ApolloError)
        ?.graphQLErrors
        ?.[0]
        ?.extensions
        ?.constraintViolations;
      if (constraintViolations != null) {
        return; // Bean validation error
      }

      console.error(e);
      persistEntityCallbacks?.onError?.();
    });
}