react-hashchange
Version:
React component that notifies when browser's hash changes.
85 lines (62 loc) • 3.21 kB
JavaScript
var _class, _temp2;
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; }
// 3rd-party imports
import React, { Component } from "react";
import PropTypes from "prop-types";
// helpers
var getLocationHash = function getLocationHash() {
return window.location.hash;
};
// component
var HashChange = (_temp2 = _class = function (_Component) {
_inherits(HashChange, _Component);
function HashChange() {
var _temp, _this, _ret;
_classCallCheck(this, HashChange);
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return _ret = (_temp = (_this = _possibleConstructorReturn(this, _Component.call.apply(_Component, [this].concat(args))), _this), _this.state = {
hash: _this.props.getLocationHash()
}, _this.handleHashChange = function () {
var hash = _this.props.getLocationHash();
_this.props.onChange({ hash: hash });
_this.setState({ hash: hash });
}, _temp), _possibleConstructorReturn(_this, _ret);
}
HashChange.prototype.componentDidMount = function componentDidMount() {
window.addEventListener("hashchange", this.handleHashChange, false);
};
HashChange.prototype.componentWillUnmount = function componentWillUnmount() {
window.removeEventListener("hashchange", this.handleHashChange, false);
};
HashChange.prototype.render = function render() {
var _props = this.props,
children = _props.children,
render = _props.render;
if (render) {
return render(this.state);
}
if (children) {
if (typeof children === "function") {
return children(this.state);
}
return React.Children.only(children)(this.state);
}
return null;
};
return HashChange;
}(Component), _class.defaultProps = {
render: null,
onChange: function onChange() {},
getLocationHash: getLocationHash
}, _temp2);
export { HashChange as default };
HashChange.propTypes = process.env.NODE_ENV !== "production" ? {
render: PropTypes.func,
onChange: PropTypes.func,
getLocationHash: PropTypes.func,
children: PropTypes.oneOfType([PropTypes.arrayOf(PropTypes.node), PropTypes.func])
} : {};