planning

node_modules/react-aria-menubutton/dist/Button.js

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+'use strict';
+
+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; }
+
+var React = require('react');
+var PropTypes = require('prop-types');
+var ManagerContext = require('./ManagerContext');
+
+var _require = require("./propTypes"),
+    refType = _require.refType;
+
+var specialAssign = require('./specialAssign');
+
+var checkedProps = {
+  ambManager: PropTypes.object.isRequired,
+  children: PropTypes.node.isRequired,
+  disabled: PropTypes.bool,
+  forwardedRef: refType,
+  tag: PropTypes.string
+};
+
+// List retrieved from https://www.w3schools.com/tags/att_disabled.asp
+var disabledSupportedTags = function disabledSupportedTags() {
+  return ['button', 'fieldset', 'input', 'optgroup', 'option', 'select', 'textarea'];
+};
+
+var AriaMenuButtonButton = function (_React$Component) {
+  _inherits(AriaMenuButtonButton, _React$Component);
+
+  function AriaMenuButtonButton() {
+    var _temp, _this, _ret;
+
+    _classCallCheck(this, AriaMenuButtonButton);
+
+    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return _ret = (_temp = (_this = _possibleConstructorReturn(this, _React$Component.call.apply(_React$Component, [this].concat(args))), _this), _this.ref = React.createRef(), _this.handleKeyDown = function (event) {
+      if (_this.props.disabled) return;
+
+      var ambManager = _this.props.ambManager;
+
+      switch (event.key) {
+        case 'ArrowDown':
+          event.preventDefault();
+          if (!ambManager.isOpen) {
+            ambManager.openMenu();
+          } else {
+            ambManager.focusItem(0);
+          }
+          break;
+        case 'Enter':
+        case ' ':
+          event.preventDefault();
+          ambManager.toggleMenu();
+          break;
+        case 'Escape':
+          ambManager.handleMenuKey(event);
+          break;
+        default:
+          // (Potential) letter keys
+          ambManager.handleButtonNonArrowKey(event);
+      }
+    }, _this.handleClick = function () {
+      if (_this.props.disabled) return;
+      _this.props.ambManager.toggleMenu({}, { focusMenu: false });
+    }, _this.setRef = function (instance) {
+      _this.ref.current = instance;
+      if (typeof _this.props.forwardedRef === "function") {
+        _this.props.forwardedRef(instance);
+      } else if (_this.props.forwardedRef) {
+        _this.props.forwardedRef.current = instance;
+      }
+    }, _temp), _possibleConstructorReturn(_this, _ret);
+  }
+
+  AriaMenuButtonButton.prototype.componentDidMount = function componentDidMount() {
+    this.props.ambManager.button = this;
+  };
+
+  AriaMenuButtonButton.prototype.componentWillUnmount = function componentWillUnmount() {
+    this.props.ambManager.destroy();
+  };
+
+  AriaMenuButtonButton.prototype.render = function render() {
+    var props = this.props;
+    var ambManager = this.props.ambManager;
+
+    var buttonProps = {
+      // "The menu button itself has a role of button."
+      role: 'button',
+      tabIndex: props.disabled ? '' : '0',
+      // "The menu button has an aria-haspopup property, set to true."
+      'aria-haspopup': true,
+      'aria-expanded': ambManager.isOpen,
+      'aria-disabled': props.disabled,
+      onKeyDown: this.handleKeyDown,
+      onClick: this.handleClick
+    };
+
+    var reserved = {};
+    specialAssign(reserved, checkedProps);
+    // The disabled property should be passed down to the Button element
+    // if the tag has support for disabled attribute. So it needs to be removed
+    // from the reserved property object
+    if (disabledSupportedTags().indexOf(props.tag) >= 0) {
+      delete reserved.disabled;
+    }
+    if (ambManager.options.closeOnBlur) {
+      buttonProps.onBlur = ambManager.handleBlur;
+    }
+    specialAssign(buttonProps, props, reserved);
+    specialAssign(buttonProps, { ref: this.setRef });
+
+    return React.createElement(props.tag, buttonProps, props.children);
+  };
+
+  return AriaMenuButtonButton;
+}(React.Component);
+
+AriaMenuButtonButton.propTypes = checkedProps;
+AriaMenuButtonButton.defaultProps = { tag: 'span' };
+
+
+module.exports = React.forwardRef(function (props, ref) {
+  return React.createElement(ManagerContext.Consumer, null, function (ambManager) {
+    var buttonProps = { ambManager: ambManager, forwardedRef: ref };
+    specialAssign(buttonProps, props, {
+      ambManager: checkedProps.ambManager,
+      children: checkedProps.children,
+      forwardedRef: checkedProps.forwardedRef
+    });
+    return React.createElement(AriaMenuButtonButton, buttonProps, props.children);
+  });
+});