react-bootstrap/cjs/ElementChildren.js

"use strict";

exports.__esModule = true;
exports.forEach = forEach;
exports.hasChildOfType = hasChildOfType;
exports.map = map;
var React = _interopRequireWildcard(require("react"));
function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }
function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }
/**
 * Iterates through children that are typically specified as `props.children`,
 * but only maps over children that are "valid elements".
 *
 * The mapFunction provided index will be normalised to the components mapped,
 * so an invalid component would not increase the index.
 *
 */
function map(children, func) {
  let index = 0;
  return React.Children.map(children, child => /*#__PURE__*/React.isValidElement(child) ? func(child, index++) : child);
}

/**
 * Iterates through children that are "valid elements".
 *
 * The provided forEachFunc(child, index) will be called for each
 * leaf child with the index reflecting the position relative to "valid components".
 */
function forEach(children, func) {
  let index = 0;
  React.Children.forEach(children, child => {
    if ( /*#__PURE__*/React.isValidElement(child)) func(child, index++);
  });
}

/**
 * Finds whether a component's `children` prop includes a React element of the
 * specified type.
 */
function hasChildOfType(children, type) {
  return React.Children.toArray(children).some(child => /*#__PURE__*/React.isValidElement(child) && child.type === type);
}