Initial commit

node_modules/react-router/Prompt.js

@@ -0,0 +1,90 @@
+"use strict";
+
+exports.__esModule = true;
+
+var _react = require("react");
+
+var _react2 = _interopRequireDefault(_react);
+
+var _propTypes = require("prop-types");
+
+var _propTypes2 = _interopRequireDefault(_propTypes);
+
+var _invariant = require("invariant");
+
+var _invariant2 = _interopRequireDefault(_invariant);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+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; }
+
+/**
+ * The public API for prompting the user before navigating away
+ * from a screen with a component.
+ */
+var Prompt = function (_React$Component) {
+  _inherits(Prompt, _React$Component);
+
+  function Prompt() {
+    _classCallCheck(this, Prompt);
+
+    return _possibleConstructorReturn(this, _React$Component.apply(this, arguments));
+  }
+
+  Prompt.prototype.enable = function enable(message) {
+    if (this.unblock) this.unblock();
+
+    this.unblock = this.context.router.history.block(message);
+  };
+
+  Prompt.prototype.disable = function disable() {
+    if (this.unblock) {
+      this.unblock();
+      this.unblock = null;
+    }
+  };
+
+  Prompt.prototype.componentWillMount = function componentWillMount() {
+    (0, _invariant2.default)(this.context.router, "You should not use <Prompt> outside a <Router>");
+
+    if (this.props.when) this.enable(this.props.message);
+  };
+
+  Prompt.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {
+    if (nextProps.when) {
+      if (!this.props.when || this.props.message !== nextProps.message) this.enable(nextProps.message);
+    } else {
+      this.disable();
+    }
+  };
+
+  Prompt.prototype.componentWillUnmount = function componentWillUnmount() {
+    this.disable();
+  };
+
+  Prompt.prototype.render = function render() {
+    return null;
+  };
+
+  return Prompt;
+}(_react2.default.Component);
+
+Prompt.propTypes = {
+  when: _propTypes2.default.bool,
+  message: _propTypes2.default.oneOfType([_propTypes2.default.func, _propTypes2.default.string]).isRequired
+};
+Prompt.defaultProps = {
+  when: true
+};
+Prompt.contextTypes = {
+  router: _propTypes2.default.shape({
+    history: _propTypes2.default.shape({
+      block: _propTypes2.default.func.isRequired
+    }).isRequired
+  }).isRequired
+};
+exports.default = Prompt;