@harmardir/frontend-component-header
Version:
The standard header for Open edX
322 lines (318 loc) • 15 kB
JavaScript
function _typeof(obj) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (obj) { return typeof obj; } : function (obj) { return obj && "function" == typeof Symbol && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }, _typeof(obj); }
var _excluded = ["tag", "className"],
_excluded2 = ["tag", "className"];
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, _toPropertyKey(descriptor.key), descriptor); } }
function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); Object.defineProperty(Constructor, "prototype", { writable: false }); return Constructor; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); Object.defineProperty(subClass, "prototype", { writable: false }); if (superClass) _setPrototypeOf(subClass, superClass); }
function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }
function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } else if (call !== void 0) { throw new TypeError("Derived constructors may only return object or undefined"); } return _assertThisInitialized(self); }
function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }
function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf.bind() : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
function _defineProperty(obj, key, value) { key = _toPropertyKey(key); if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }
function _toPropertyKey(arg) { var key = _toPrimitive(arg, "string"); return _typeof(key) === "symbol" ? key : String(key); }
function _toPrimitive(input, hint) { if (_typeof(input) !== "object" || input === null) return input; var prim = input[Symbol.toPrimitive]; if (prim !== undefined) { var res = prim.call(input, hint || "default"); if (_typeof(res) !== "object") return res; throw new TypeError("@@toPrimitive must return a primitive value."); } return (hint === "string" ? String : Number)(input); }
function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }
function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }
import React from 'react';
import { CSSTransition } from 'react-transition-group';
import PropTypes from 'prop-types';
var MenuTrigger = function MenuTrigger(_ref) {
var tag = _ref.tag,
className = _ref.className,
attributes = _objectWithoutProperties(_ref, _excluded);
return /*#__PURE__*/React.createElement(tag, _objectSpread({
className: "menu-trigger ".concat(className)
}, attributes));
};
MenuTrigger.propTypes = {
tag: PropTypes.string,
className: PropTypes.string
};
MenuTrigger.defaultProps = {
tag: 'div',
className: null
};
var MenuTriggerType = /*#__PURE__*/React.createElement(MenuTrigger, null).type;
var MenuContent = function MenuContent(_ref2) {
var tag = _ref2.tag,
className = _ref2.className,
attributes = _objectWithoutProperties(_ref2, _excluded2);
return /*#__PURE__*/React.createElement(tag, _objectSpread({
className: ['menu-content', className].join(' ')
}, attributes));
};
MenuContent.propTypes = {
tag: PropTypes.string,
className: PropTypes.string
};
MenuContent.defaultProps = {
tag: 'div',
className: null
};
var menuPropTypes = {
tag: PropTypes.string,
onClose: PropTypes.func,
onOpen: PropTypes.func,
closeOnDocumentClick: PropTypes.bool,
respondToPointerEvents: PropTypes.bool,
className: PropTypes.string,
transitionTimeout: PropTypes.number,
transitionClassName: PropTypes.string,
children: PropTypes.arrayOf(PropTypes.node).isRequired
};
var Menu = /*#__PURE__*/function (_React$Component) {
_inherits(Menu, _React$Component);
var _super = _createSuper(Menu);
function Menu(props) {
var _this;
_classCallCheck(this, Menu);
_this = _super.call(this, props);
_this.menu = /*#__PURE__*/React.createRef();
_this.state = {
expanded: false
};
_this.onTriggerClick = _this.onTriggerClick.bind(_assertThisInitialized(_this));
_this.onCloseClick = _this.onCloseClick.bind(_assertThisInitialized(_this));
_this.onKeyDown = _this.onKeyDown.bind(_assertThisInitialized(_this));
_this.onDocumentClick = _this.onDocumentClick.bind(_assertThisInitialized(_this));
_this.onMouseEnter = _this.onMouseEnter.bind(_assertThisInitialized(_this));
_this.onMouseLeave = _this.onMouseLeave.bind(_assertThisInitialized(_this));
return _this;
}
// Lifecycle Events
_createClass(Menu, [{
key: "componentWillUnmount",
value: function componentWillUnmount() {
document.removeEventListener('touchend', this.onDocumentClick, true);
document.removeEventListener('click', this.onDocumentClick, true);
// Call onClose callback when unmounting and open
if (this.state.expanded && this.props.onClose) {
this.props.onClose();
}
}
// Event handlers
}, {
key: "onDocumentClick",
value: function onDocumentClick(e) {
if (!this.props.closeOnDocumentClick) {
return;
}
var clickIsInMenu = this.menu.current === e.target || this.menu.current.contains(e.target);
if (clickIsInMenu) {
return;
}
this.close();
}
}, {
key: "onTriggerClick",
value: function onTriggerClick(e) {
// Let the browser follow the link of the trigger if the menu
// is already expanded and the trigger has an href attribute
if (this.state.expanded && e.target.getAttribute('href')) {
return;
}
e.preventDefault();
this.toggle();
}
}, {
key: "onCloseClick",
value: function onCloseClick() {
this.getFocusableElements()[0].focus();
this.close();
}
}, {
key: "onKeyDown",
value: function onKeyDown(e) {
if (!this.state.expanded) {
return;
}
switch (e.key) {
case 'Escape':
{
e.preventDefault();
e.stopPropagation();
this.getFocusableElements()[0].focus();
this.close();
break;
}
case 'Enter':
{
// Using focusable elements instead of a ref to the trigger
// because Hyperlink and Button can handle refs as functional components
if (document.activeElement === this.getFocusableElements()[0]) {
e.preventDefault();
this.toggle();
}
break;
}
case 'Tab':
{
e.preventDefault();
if (e.shiftKey) {
this.focusPrevious();
} else {
this.focusNext();
}
break;
}
case 'ArrowDown':
{
e.preventDefault();
this.focusNext();
break;
}
case 'ArrowUp':
{
e.preventDefault();
this.focusPrevious();
break;
}
default:
}
}
}, {
key: "onMouseEnter",
value: function onMouseEnter() {
if (!this.props.respondToPointerEvents) {
return;
}
this.open();
}
}, {
key: "onMouseLeave",
value: function onMouseLeave() {
if (!this.props.respondToPointerEvents) {
return;
}
this.close();
}
// Internal functions
}, {
key: "getFocusableElements",
value: function getFocusableElements() {
return this.menu.current.querySelectorAll('button:not([disabled]), [href]:not([disabled]), input:not([disabled]), select:not([disabled]), textarea:not([disabled]), [tabindex]:not([tabindex="-1"]):not([disabled])');
}
}, {
key: "getAttributesFromProps",
value: function getAttributesFromProps() {
var _this2 = this;
// Any extra props are attributes for the menu
var attributes = {};
Object.keys(this.props).filter(function (property) {
return menuPropTypes[property] === undefined;
}).forEach(function (property) {
attributes[property] = _this2.props[property];
});
return attributes;
}
}, {
key: "focusNext",
value: function focusNext() {
var focusableElements = Array.from(this.getFocusableElements());
var activeIndex = focusableElements.indexOf(document.activeElement);
var nextIndex = (activeIndex + 1) % focusableElements.length;
focusableElements[nextIndex].focus();
}
}, {
key: "focusPrevious",
value: function focusPrevious() {
var focusableElements = Array.from(this.getFocusableElements());
var activeIndex = focusableElements.indexOf(document.activeElement);
var previousIndex = (activeIndex || focusableElements.length) - 1;
focusableElements[previousIndex].focus();
}
}, {
key: "open",
value: function open() {
if (this.props.onOpen) {
this.props.onOpen();
}
this.setState({
expanded: true
});
// Listen to touchend and click events to ensure the menu
// can be closed on mobile, pointer, and mixed input devices
document.addEventListener('touchend', this.onDocumentClick, true);
document.addEventListener('click', this.onDocumentClick, true);
}
}, {
key: "close",
value: function close() {
if (this.props.onClose) {
this.props.onClose();
}
this.setState({
expanded: false
});
document.removeEventListener('touchend', this.onDocumentClick, true);
document.removeEventListener('click', this.onDocumentClick, true);
}
}, {
key: "toggle",
value: function toggle() {
if (this.state.expanded) {
this.close();
} else {
this.open();
}
}
}, {
key: "renderTrigger",
value: function renderTrigger(node) {
return /*#__PURE__*/React.cloneElement(node, {
onClick: this.onTriggerClick,
'aria-haspopup': 'menu',
'aria-expanded': this.state.expanded
});
}
}, {
key: "renderMenuContent",
value: function renderMenuContent(node) {
return /*#__PURE__*/React.createElement(CSSTransition, {
"in": this.state.expanded,
timeout: this.props.transitionTimeout,
classNames: this.props.transitionClassName,
unmountOnExit: true
}, node);
}
}, {
key: "render",
value: function render() {
var _this3 = this;
var className = this.props.className;
var wrappedChildren = React.Children.map(this.props.children, function (child) {
if (child.type === MenuTriggerType) {
return _this3.renderTrigger(child);
}
return _this3.renderMenuContent(child);
});
var rootClassName = this.state.expanded ? 'menu expanded' : 'menu';
return /*#__PURE__*/React.createElement(this.props.tag, _objectSpread({
className: "".concat(rootClassName, " ").concat(className),
ref: this.menu,
onKeyDown: this.onKeyDown,
onMouseEnter: this.onMouseEnter,
onMouseLeave: this.onMouseLeave
}, this.getAttributesFromProps()), wrappedChildren);
}
}]);
return Menu;
}(React.Component);
Menu.propTypes = menuPropTypes;
Menu.defaultProps = {
tag: 'div',
className: null,
onClose: null,
onOpen: null,
respondToPointerEvents: false,
closeOnDocumentClick: true,
transitionTimeout: 250,
transitionClassName: 'menu-content'
};
export { Menu, MenuTrigger, MenuContent };
//# sourceMappingURL=Menu.js.map