baseui/app-nav-bar/utils.js

A React Component library implementing the Base design language

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.defaultMapItemToNode = defaultMapItemToNode;
exports.mapItemsActive = mapItemsActive;
exports.setItemActive = setItemActive;
/*
Copyright (c) Uber Technologies, Inc.

This source code is licensed under the MIT license found in the
LICENSE file in the root directory of this source tree.
*/

function defaultMapItemToNode(item) {
  if (process.env.NODE_ENV !== "production") {
    if (!item.label) {
      throw Error('There needs to be an unique item.label. You can implement a custom mapping with the mapItemToNode prop.');
    }
  }
  return item.label;
}
function defaultGetUniqueIdentifier(item) {
  if (process.env.NODE_ENV !== "production") {
    if (!item.label) {
      throw Error('There needs to be an unique item.label. You can implement a custom mapping with the getUniqueIdentifier argument to setItemActive.');
    }
  }
  return item.label;
}
function mapItemsActive(items, predicate) {
  return items.map(current => {
    if (predicate(current)) {
      current.active = true;
    } else {
      current.active = false;
    }
    if (current.children) {
      current.children = mapItemsActive(current.children, predicate);
      if (current.children.some(child => child.active)) {
        current.active = true;
      }
    }
    return current;
  });
}
function setItemActive(items, item, getUniqueIdentifier = defaultGetUniqueIdentifier) {
  return mapItemsActive(items, current => getUniqueIdentifier(current) === getUniqueIdentifier(item));
}