Files
30-seconds-of-code/node_modules/gatsby-react-router-scroll/ScrollContainer.js
2019-08-20 15:52:05 +02:00

96 lines
3.5 KiB
JavaScript

"use strict";
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
exports.__esModule = true;
exports.default = void 0;
var _inheritsLoose2 = _interopRequireDefault(require("@babel/runtime/helpers/inheritsLoose"));
var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
var _defineProperty2 = _interopRequireDefault(require("@babel/runtime/helpers/defineProperty"));
var _react = _interopRequireDefault(require("react"));
var _reactDom = _interopRequireDefault(require("react-dom"));
var _warning = _interopRequireDefault(require("warning"));
var _propTypes = _interopRequireDefault(require("prop-types"));
var propTypes = {
scrollKey: _propTypes.default.string.isRequired,
shouldUpdateScroll: _propTypes.default.func,
children: _propTypes.default.element.isRequired
};
var contextTypes = {
// This is necessary when rendering on the client. However, when rendering on
// the server, this container will do nothing, and thus does not require the
// scroll behavior context.
scrollBehavior: _propTypes.default.object
};
var ScrollContainer =
/*#__PURE__*/
function (_React$Component) {
(0, _inheritsLoose2.default)(ScrollContainer, _React$Component);
function ScrollContainer(props, context) {
var _this;
_this = _React$Component.call(this, props, context) || this; // We don't re-register if the scroll key changes, so make sure we
// unregister with the initial scroll key just in case the user changes it.
(0, _defineProperty2.default)((0, _assertThisInitialized2.default)((0, _assertThisInitialized2.default)(_this)), "shouldUpdateScroll", function (prevRouterProps, routerProps) {
var shouldUpdateScroll = _this.props.shouldUpdateScroll;
if (!shouldUpdateScroll) {
return true;
} // Hack to allow accessing scrollBehavior._stateStorage.
return shouldUpdateScroll.call(_this.context.scrollBehavior.scrollBehavior, prevRouterProps, routerProps);
});
_this.scrollKey = props.scrollKey;
return _this;
}
var _proto = ScrollContainer.prototype;
_proto.componentDidMount = function componentDidMount() {
this.context.scrollBehavior.registerElement(this.props.scrollKey, _reactDom.default.findDOMNode(this), // eslint-disable-line react/no-find-dom-node
this.shouldUpdateScroll); // Only keep around the current DOM node in development, as this is only
// for emitting the appropriate warning.
if (process.env.NODE_ENV !== "production") {
this.domNode = _reactDom.default.findDOMNode(this); // eslint-disable-line react/no-find-dom-node
}
};
_proto.componentDidUpdate = function componentDidUpdate(prevProps) {
(0, _warning.default)(prevProps.scrollKey === this.props.scrollKey, "<ScrollContainer> does not support changing scrollKey.");
if (process.env.NODE_ENV !== "production") {
var prevDomNode = this.domNode;
this.domNode = _reactDom.default.findDOMNode(this); // eslint-disable-line react/no-find-dom-node
(0, _warning.default)(this.domNode === prevDomNode, "<ScrollContainer> does not support changing DOM node.");
}
};
_proto.componentWillUnmount = function componentWillUnmount() {
this.context.scrollBehavior.unregisterElement(this.scrollKey);
};
_proto.render = function render() {
return this.props.children;
};
return ScrollContainer;
}(_react.default.Component);
ScrollContainer.propTypes = propTypes;
ScrollContainer.contextTypes = contextTypes;
var _default = ScrollContainer;
exports.default = _default;