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- function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
- function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
-
- function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
-
- import React from "react";
- import PropTypes from "prop-types";
- import warning from "warning";
- import invariant from "invariant";
- import matchPath from "./matchPath";
-
- /**
- * The public API for rendering the first <Route> that matches.
- */
-
- var Switch = function (_React$Component) {
- _inherits(Switch, _React$Component);
-
- function Switch() {
- _classCallCheck(this, Switch);
-
- return _possibleConstructorReturn(this, _React$Component.apply(this, arguments));
- }
-
- Switch.prototype.componentWillMount = function componentWillMount() {
- invariant(this.context.router, "You should not use <Switch> outside a <Router>");
- };
-
- Switch.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
- warning(!(nextProps.location && !this.props.location), '<Switch> elements should not change from uncontrolled to controlled (or vice versa). You initially used no "location" prop and then provided one on a subsequent render.');
-
- warning(!(!nextProps.location && this.props.location), '<Switch> elements should not change from controlled to uncontrolled (or vice versa). You provided a "location" prop initially but omitted it on a subsequent render.');
- };
-
- Switch.prototype.render = function render() {
- var route = this.context.router.route;
- var children = this.props.children;
-
- var location = this.props.location || route.location;
-
- var match = void 0,
- child = void 0;
- React.Children.forEach(children, function (element) {
- if (match == null && React.isValidElement(element)) {
- var _element$props = element.props,
- pathProp = _element$props.path,
- exact = _element$props.exact,
- strict = _element$props.strict,
- sensitive = _element$props.sensitive,
- from = _element$props.from;
-
- var path = pathProp || from;
-
- child = element;
- match = matchPath(location.pathname, { path: path, exact: exact, strict: strict, sensitive: sensitive }, route.match);
- }
- });
-
- return match ? React.cloneElement(child, { location: location, computedMatch: match }) : null;
- };
-
- return Switch;
- }(React.Component);
-
- Switch.contextTypes = {
- router: PropTypes.shape({
- route: PropTypes.object.isRequired
- }).isRequired
- };
- Switch.propTypes = {
- children: PropTypes.node,
- location: PropTypes.object
- };
-
-
- export default Switch;
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