77 lines
3.2 KiB
JavaScript
77 lines
3.2 KiB
JavaScript
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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; }
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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; }
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import React from "react";
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import PropTypes from "prop-types";
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import warning from "warning";
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import invariant from "invariant";
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import matchPath from "./matchPath";
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/**
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* The public API for rendering the first <Route> that matches.
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*/
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var Switch = function (_React$Component) {
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_inherits(Switch, _React$Component);
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function Switch() {
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_classCallCheck(this, Switch);
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return _possibleConstructorReturn(this, _React$Component.apply(this, arguments));
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}
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Switch.prototype.componentWillMount = function componentWillMount() {
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invariant(this.context.router, "You should not use <Switch> outside a <Router>");
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};
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Switch.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
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warning(!(nextProps.location && !this.props.location), '<Switch> elements should not change from uncontrolled to controlled (or vice versa). You initially used no "location" prop and then provided one on a subsequent render.');
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warning(!(!nextProps.location && this.props.location), '<Switch> elements should not change from controlled to uncontrolled (or vice versa). You provided a "location" prop initially but omitted it on a subsequent render.');
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};
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Switch.prototype.render = function render() {
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var route = this.context.router.route;
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var children = this.props.children;
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var location = this.props.location || route.location;
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var match = void 0,
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child = void 0;
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React.Children.forEach(children, function (element) {
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if (match == null && React.isValidElement(element)) {
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var _element$props = element.props,
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pathProp = _element$props.path,
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exact = _element$props.exact,
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strict = _element$props.strict,
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sensitive = _element$props.sensitive,
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from = _element$props.from;
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var path = pathProp || from;
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child = element;
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match = matchPath(location.pathname, { path: path, exact: exact, strict: strict, sensitive: sensitive }, route.match);
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}
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});
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return match ? React.cloneElement(child, { location: location, computedMatch: match }) : null;
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};
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return Switch;
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}(React.Component);
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Switch.contextTypes = {
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router: PropTypes.shape({
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route: PropTypes.object.isRequired
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}).isRequired
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};
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Switch.propTypes = {
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children: PropTypes.node,
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location: PropTypes.object
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};
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export default Switch;
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