@fluentui/react-component-ref/dist/commonjs/RefFindNode.js

A set of components and utils to deal with React refs.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

exports.__esModule = true;
exports.RefFindNode = void 0;

var _inheritsLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/inheritsLoose"));

var React = _interopRequireWildcard(require("react"));

var ReactDOM = _interopRequireWildcard(require("react-dom"));

var _utils = require("./utils");

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(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; }

/**
 * Detects if a passed element is a Fiber object instead of an element. Is needed as `ReactDOM.findDOMNode()` returns
 * a Fiber in `react-test-renderer` that can cause issues with tests. Is used only in non-production env.
 *
 * @see https://github.com/facebook/react/issues/7371#issuecomment-317396864
 * @see https://github.com/Semantic-Org/Semantic-UI-React/issues/4061#issuecomment-694895617
 */
function isFiberRef(node) {
  if (node === null) {
    return false;
  }

  if (node instanceof Element || node instanceof Text) {
    return false;
  }

  return !!(node.type && node.tag);
}

var RefFindNode = /*#__PURE__*/function (_React$Component) {
  (0, _inheritsLoose2.default)(RefFindNode, _React$Component);

  function RefFindNode() {
    var _this;

    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    _this = _React$Component.call.apply(_React$Component, [this].concat(args)) || this;
    _this.prevNode = void 0;
    return _this;
  }

  var _proto = RefFindNode.prototype;

  _proto.componentDidMount = function componentDidMount() {
    var currentNode = ReactDOM.findDOMNode(this);

    if (process.env.NODE_ENV !== 'production') {
      if (isFiberRef(currentNode)) {
        currentNode = null;
      }
    }

    this.prevNode = currentNode;
    (0, _utils.handleRef)(this.props.innerRef, currentNode);
  };

  _proto.componentDidUpdate = function componentDidUpdate(prevProps) {
    var currentNode = ReactDOM.findDOMNode(this);

    if (process.env.NODE_ENV !== 'production') {
      if (isFiberRef(currentNode)) {
        currentNode = null;
      }
    }

    if (this.prevNode !== currentNode) {
      this.prevNode = currentNode;
      (0, _utils.handleRef)(this.props.innerRef, currentNode);
    }

    if (prevProps.innerRef !== this.props.innerRef) {
      (0, _utils.handleRef)(this.props.innerRef, currentNode);
    }
  };

  _proto.componentWillUnmount = function componentWillUnmount() {
    (0, _utils.handleRef)(this.props.innerRef, null);
    delete this.prevNode;
  };

  _proto.render = function render() {
    var children = this.props.children;
    return children;
  };

  return RefFindNode;
}(React.Component);

exports.RefFindNode = RefFindNode;
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