90 lines
3.0 KiB
JavaScript
90 lines
3.0 KiB
JavaScript
"use strict";
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exports.__esModule = true;
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var _react = require("react");
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var _react2 = _interopRequireDefault(_react);
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var _propTypes = require("prop-types");
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var _propTypes2 = _interopRequireDefault(_propTypes);
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var _invariant = require("invariant");
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var _invariant2 = _interopRequireDefault(_invariant);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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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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/**
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* The public API for prompting the user before navigating away
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* from a screen with a component.
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*/
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var Prompt = function (_React$Component) {
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_inherits(Prompt, _React$Component);
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function Prompt() {
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_classCallCheck(this, Prompt);
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return _possibleConstructorReturn(this, _React$Component.apply(this, arguments));
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}
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Prompt.prototype.enable = function enable(message) {
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if (this.unblock) this.unblock();
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this.unblock = this.context.router.history.block(message);
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};
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Prompt.prototype.disable = function disable() {
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if (this.unblock) {
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this.unblock();
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this.unblock = null;
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}
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};
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Prompt.prototype.componentWillMount = function componentWillMount() {
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(0, _invariant2.default)(this.context.router, "You should not use <Prompt> outside a <Router>");
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if (this.props.when) this.enable(this.props.message);
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};
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Prompt.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
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if (nextProps.when) {
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if (!this.props.when || this.props.message !== nextProps.message) this.enable(nextProps.message);
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} else {
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this.disable();
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}
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};
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Prompt.prototype.componentWillUnmount = function componentWillUnmount() {
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this.disable();
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};
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Prompt.prototype.render = function render() {
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return null;
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};
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return Prompt;
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}(_react2.default.Component);
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Prompt.propTypes = {
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when: _propTypes2.default.bool,
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message: _propTypes2.default.oneOfType([_propTypes2.default.func, _propTypes2.default.string]).isRequired
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};
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Prompt.defaultProps = {
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when: true
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};
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Prompt.contextTypes = {
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router: _propTypes2.default.shape({
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history: _propTypes2.default.shape({
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block: _propTypes2.default.func.isRequired
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}).isRequired
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}).isRequired
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};
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exports.default = Prompt; |