TypeScript idx.default函数代码示例

 const filteredAssociations = R.pickBy(field => {
   const loaded = idx(field, _ => _.associations[field.name]) as any;
   if (loaded) {
     return idx(loaded, _ => _.existItems.length) != idx(field, _ => _.value.length);
   }
   return true;
 })(associations);

/**
 * 恢复 store 时跳转到主页面
 * @param action
 */
function* rehydrateWatcher(action) {
  logger.log('[rehydrateWatcher]', action);
  yield put(appActions.restored());
  const token = idx(action, _ => _.payload.auth.token);
  const path = idx(action, _ => _.payload.router.path);
  logger.log('[rehydrateWatcher]', !!token, path);
  if (token) {
    yield put(routerActions.toIndex());
  }
}

/**
 * 未找到可用 token 时重定向到登录页面
 */
function* tokenWatcher(action) {
  const {
    auth: { token },
    router: { path },
  } = yield select((state: RootState) => ({ auth: state.auth, router: state.router }));
  // restored will be handled later at yield take(appActionTypes.RESTORED), simply ignore here
  if ([appActionTypes.RESTORED].includes(action.type)) {
    return;
  }

  if (action.type === REHYDRATE) {
    logger.log('[tokenWatcher]', 'REHYDRATE found, wait to restore...');
    const restoredAction = yield take(appActionTypes.RESTORED);
    logger.log('[tokenWatcher]', 'waiting for app restored', restoredAction);
    if (!idx(restoredAction, _ => _.payload.auth.token)) {
      yield put(routerActions.toLogin());
    }
  } else if (action.type === authActionTypes.LOGOUT) {
    logger.log('[tokenWatcher]', 'logout...');
    yield put(routerActions.toLogin());
  } else if (!token && path !== '/login') {
    logger.log('[tokenWatcher]', 'no token found and path is not login, goto login');
    yield put(routerActions.toLogin());
  } else if (!path) {
    logger.warn('[tokenWatcher]', 'no path found, redirect to login...');
    yield put(routerActions.toLogin());
  }
}

export function toErrorMessage(e) {
  if (e.response) {
    return idx(e, _ => _.response.data.message);
  }
  return e.message;
}

export const enumDecorator = ({
  modelName,
  fields,
}: {
  modelName: string;
  fields: (Fields & WithHidden) | PositionsField | EnumField;
}): { modelName; fields: (Fields & WithHidden) | PositionsField | EnumField } => {
  const TAG = '[enumDecorator]';
  logger.log(TAG, { fields });

  const enumFilterFields = R.filter(R.propEq('type', DynamicFormTypes.EnumFilter))(fields);
  if (R.not(R.isEmpty(enumFilterFields))) {
    const [, enumFilterField] = R.toPairs(enumFilterFields)[0];
    logger.debug(TAG, { enumFilterField });

    const enums = _.map(
      _.keys(idx(enumFilterField as EnumField, _ => _.options.enumData)),
      castModelName,
    );
    const current = castModelName(R.pathOr('', ['value'])(enumFilterField));
    logger.debug(TAG, { enums, current });

    // check if positions has value already
    // save positions value if no value exists, update models' sequence for else
    const positionsFieldPair = R.compose(
      R.toPairs,
      R.map(field => {
        // raw is the original value, if exists, means it's update request
        if (field.value && !field.raw) {
          const value = R.is(String, field.value) ? JSON.parse(field.value) : field.value;
          return { ...field, value, raw: field.value };
        }
        return { ...field, value: R.path([current, 'value'])(fields), raw: field.value };
      }),
      R.filter(R.pathEq(['options', 'type'], 'SortPosition')),
    )(fields);

    const filteredNames = R.without(current)(enums);
    const filteredFields = R.omit(filteredNames)(fields);
    const wrappedFields = current
      ? R.mergeDeepRight(filteredFields, {
          [current]: {
            isFilterField: true,
            options: { filterType: R.path(['options', 'filterType'])(enumFilterField) },
            value: R.isEmpty(positionsFieldPair)
              ? R.path([current, 'value'])(filteredFields)
              : R.path([0, 1, 'value'])(positionsFieldPair),
          },
          ...R.fromPairs(positionsFieldPair),
        })
      : filteredFields;

    logger.debug(TAG, 'wrappedFields', {
      current,
      filteredNames,
      filteredFields,
      wrappedFields,
      positionsFieldPair,
    });

    return { modelName, fields: wrappedFields };
  }

  return { modelName, fields };
};