70af1b1b9345b574250ff0b67b1a823f.json
35.6 KB
{"ast":null,"code":"import _toConsumableArray from \"@babel/runtime/helpers/esm/toConsumableArray\";\nimport _objectSpread from \"@babel/runtime/helpers/esm/objectSpread2\";\nimport _objectWithoutProperties from \"@babel/runtime/helpers/esm/objectWithoutProperties\";\nimport _classCallCheck from \"@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/esm/createClass\";\nimport _assertThisInitialized from \"@babel/runtime/helpers/esm/assertThisInitialized\";\nimport _inherits from \"@babel/runtime/helpers/esm/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/esm/createSuper\";\nimport * as React from 'react';\nimport * as ReactDOM from 'react-dom';\nimport ResizeObserver from 'resize-observer-polyfill';\nimport SubMenu from './SubMenu';\nimport { getWidth, setStyle, menuAllProps } from './util';\nvar MENUITEM_OVERFLOWED_CLASSNAME = 'menuitem-overflowed';\nvar FLOAT_PRECISION_ADJUST = 0.5;\n\nvar DOMWrap = /*#__PURE__*/function (_React$Component) {\n _inherits(DOMWrap, _React$Component);\n\n var _super = _createSuper(DOMWrap);\n\n function DOMWrap() {\n var _this;\n\n _classCallCheck(this, DOMWrap);\n\n _this = _super.apply(this, arguments);\n _this.resizeObserver = null;\n _this.mutationObserver = null; // original scroll size of the list\n\n _this.originalTotalWidth = 0; // copy of overflowed items\n\n _this.overflowedItems = []; // cache item of the original items (so we can track the size and order)\n\n _this.menuItemSizes = [];\n _this.cancelFrameId = null;\n _this.state = {\n lastVisibleIndex: undefined\n }; // get all valid menuItem nodes\n\n _this.getMenuItemNodes = function () {\n var prefixCls = _this.props.prefixCls;\n var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));\n\n if (!ul) {\n return [];\n } // filter out all overflowed indicator placeholder\n\n\n return [].slice.call(ul.children).filter(function (node) {\n return node.className.split(' ').indexOf(\"\".concat(prefixCls, \"-overflowed-submenu\")) < 0;\n });\n };\n\n _this.getOverflowedSubMenuItem = function (keyPrefix, overflowedItems, renderPlaceholder) {\n var _this$props = _this.props,\n overflowedIndicator = _this$props.overflowedIndicator,\n level = _this$props.level,\n mode = _this$props.mode,\n prefixCls = _this$props.prefixCls,\n theme = _this$props.theme;\n\n if (level !== 1 || mode !== 'horizontal') {\n return null;\n } // put all the overflowed item inside a submenu\n // with a title of overflow indicator ('...')\n\n\n var copy = _this.props.children[0];\n\n var _copy$props = copy.props,\n throwAway = _copy$props.children,\n title = _copy$props.title,\n propStyle = _copy$props.style,\n rest = _objectWithoutProperties(_copy$props, [\"children\", \"title\", \"style\"]);\n\n var style = _objectSpread({}, propStyle);\n\n var key = \"\".concat(keyPrefix, \"-overflowed-indicator\");\n var eventKey = \"\".concat(keyPrefix, \"-overflowed-indicator\");\n\n if (overflowedItems.length === 0 && renderPlaceholder !== true) {\n style = _objectSpread(_objectSpread({}, style), {}, {\n display: 'none'\n });\n } else if (renderPlaceholder) {\n style = _objectSpread(_objectSpread({}, style), {}, {\n visibility: 'hidden',\n // prevent from taking normal dom space\n position: 'absolute'\n });\n key = \"\".concat(key, \"-placeholder\");\n eventKey = \"\".concat(eventKey, \"-placeholder\");\n }\n\n var popupClassName = theme ? \"\".concat(prefixCls, \"-\").concat(theme) : '';\n var props = {};\n menuAllProps.forEach(function (k) {\n if (rest[k] !== undefined) {\n props[k] = rest[k];\n }\n });\n return React.createElement(SubMenu, Object.assign({\n title: overflowedIndicator,\n className: \"\".concat(prefixCls, \"-overflowed-submenu\"),\n popupClassName: popupClassName\n }, props, {\n key: key,\n eventKey: eventKey,\n disabled: false,\n style: style\n }), overflowedItems);\n }; // memorize rendered menuSize\n\n\n _this.setChildrenWidthAndResize = function () {\n if (_this.props.mode !== 'horizontal') {\n return;\n }\n\n var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));\n\n if (!ul) {\n return;\n }\n\n var ulChildrenNodes = ul.children;\n\n if (!ulChildrenNodes || ulChildrenNodes.length === 0) {\n return;\n }\n\n var lastOverflowedIndicatorPlaceholder = ul.children[ulChildrenNodes.length - 1]; // need last overflowed indicator for calculating length;\n\n setStyle(lastOverflowedIndicatorPlaceholder, 'display', 'inline-block');\n\n var menuItemNodes = _this.getMenuItemNodes(); // reset display attribute for all hidden elements caused by overflow to calculate updated width\n // and then reset to original state after width calculation\n\n\n var overflowedItems = menuItemNodes.filter(function (c) {\n return c.className.split(' ').indexOf(MENUITEM_OVERFLOWED_CLASSNAME) >= 0;\n });\n overflowedItems.forEach(function (c) {\n setStyle(c, 'display', 'inline-block');\n });\n _this.menuItemSizes = menuItemNodes.map(function (c) {\n return getWidth(c, true);\n });\n overflowedItems.forEach(function (c) {\n setStyle(c, 'display', 'none');\n });\n _this.overflowedIndicatorWidth = getWidth(ul.children[ul.children.length - 1], true);\n _this.originalTotalWidth = _this.menuItemSizes.reduce(function (acc, cur) {\n return acc + cur;\n }, 0);\n\n _this.handleResize(); // prevent the overflowed indicator from taking space;\n\n\n setStyle(lastOverflowedIndicatorPlaceholder, 'display', 'none');\n };\n\n _this.handleResize = function () {\n if (_this.props.mode !== 'horizontal') {\n return;\n }\n\n var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));\n\n if (!ul) {\n return;\n }\n\n var width = getWidth(ul);\n _this.overflowedItems = [];\n var currentSumWidth = 0; // index for last visible child in horizontal mode\n\n var lastVisibleIndex; // float number comparison could be problematic\n // e.g. 0.1 + 0.2 > 0.3 =====> true\n // thus using FLOAT_PRECISION_ADJUST as buffer to help the situation\n\n if (_this.originalTotalWidth > width + FLOAT_PRECISION_ADJUST) {\n lastVisibleIndex = -1;\n\n _this.menuItemSizes.forEach(function (liWidth) {\n currentSumWidth += liWidth;\n\n if (currentSumWidth + _this.overflowedIndicatorWidth <= width) {\n lastVisibleIndex += 1;\n }\n });\n }\n\n _this.setState({\n lastVisibleIndex: lastVisibleIndex\n });\n };\n\n return _this;\n }\n\n _createClass(DOMWrap, [{\n key: \"componentDidMount\",\n value: function componentDidMount() {\n var _this2 = this;\n\n this.setChildrenWidthAndResize();\n\n if (this.props.level === 1 && this.props.mode === 'horizontal') {\n var menuUl = ReactDOM.findDOMNode(this);\n\n if (!menuUl) {\n return;\n }\n\n this.resizeObserver = new ResizeObserver(function (entries) {\n entries.forEach(function () {\n var cancelFrameId = _this2.cancelFrameId;\n cancelAnimationFrame(cancelFrameId);\n _this2.cancelFrameId = requestAnimationFrame(_this2.setChildrenWidthAndResize);\n });\n });\n [].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {\n _this2.resizeObserver.observe(el);\n });\n\n if (typeof MutationObserver !== 'undefined') {\n this.mutationObserver = new MutationObserver(function () {\n _this2.resizeObserver.disconnect();\n\n [].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {\n _this2.resizeObserver.observe(el);\n });\n\n _this2.setChildrenWidthAndResize();\n });\n this.mutationObserver.observe(menuUl, {\n attributes: false,\n childList: true,\n subTree: false\n });\n }\n }\n }\n }, {\n key: \"componentWillUnmount\",\n value: function componentWillUnmount() {\n if (this.resizeObserver) {\n this.resizeObserver.disconnect();\n }\n\n if (this.mutationObserver) {\n this.mutationObserver.disconnect();\n }\n\n cancelAnimationFrame(this.cancelFrameId);\n }\n }, {\n key: \"renderChildren\",\n value: function renderChildren(children) {\n var _this3 = this; // need to take care of overflowed items in horizontal mode\n\n\n var lastVisibleIndex = this.state.lastVisibleIndex;\n return (children || []).reduce(function (acc, childNode, index) {\n var item = childNode;\n\n if (_this3.props.mode === 'horizontal') {\n var overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, []);\n\n if (lastVisibleIndex !== undefined && _this3.props.className.indexOf(\"\".concat(_this3.props.prefixCls, \"-root\")) !== -1) {\n if (index > lastVisibleIndex) {\n item = React.cloneElement(childNode, // 这里修改 eventKey 是为了防止隐藏状态下还会触发 openkeys 事件\n {\n style: {\n display: 'none'\n },\n eventKey: \"\".concat(childNode.props.eventKey, \"-hidden\"),\n\n /**\n * Legacy code. Here `className` never used:\n * https://github.com/react-component/menu/commit/4cd6b49fce9d116726f4ea00dda85325d6f26500#diff-e2fa48f75c2dd2318295cde428556a76R240\n */\n className: \"\".concat(MENUITEM_OVERFLOWED_CLASSNAME)\n });\n }\n\n if (index === lastVisibleIndex + 1) {\n _this3.overflowedItems = children.slice(lastVisibleIndex + 1).map(function (c) {\n return React.cloneElement(c, // children[index].key will become '.$key' in clone by default,\n // we have to overwrite with the correct key explicitly\n {\n key: c.props.eventKey,\n mode: 'vertical-left'\n });\n });\n overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, _this3.overflowedItems);\n }\n }\n\n var ret = [].concat(_toConsumableArray(acc), [overflowed, item]);\n\n if (index === children.length - 1) {\n // need a placeholder for calculating overflowed indicator width\n ret.push(_this3.getOverflowedSubMenuItem(childNode.props.eventKey, [], true));\n }\n\n return ret;\n }\n\n return 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_toConsumableArray from \"@babel/runtime/helpers/esm/toConsumableArray\";\nimport _objectSpread from \"@babel/runtime/helpers/esm/objectSpread2\";\nimport _objectWithoutProperties from \"@babel/runtime/helpers/esm/objectWithoutProperties\";\nimport _classCallCheck from \"@babel/runtime/helpers/esm/classCallCheck\";\nimport _createClass from \"@babel/runtime/helpers/esm/createClass\";\nimport _assertThisInitialized from \"@babel/runtime/helpers/esm/assertThisInitialized\";\nimport _inherits from \"@babel/runtime/helpers/esm/inherits\";\nimport _createSuper from \"@babel/runtime/helpers/esm/createSuper\";\nimport * as React from 'react';\nimport * as ReactDOM from 'react-dom';\nimport ResizeObserver from 'resize-observer-polyfill';\nimport SubMenu from './SubMenu';\nimport { getWidth, setStyle, menuAllProps } from './util';\nvar MENUITEM_OVERFLOWED_CLASSNAME = 'menuitem-overflowed';\nvar FLOAT_PRECISION_ADJUST = 0.5;\n\nvar DOMWrap = /*#__PURE__*/function (_React$Component) {\n _inherits(DOMWrap, _React$Component);\n\n var _super = _createSuper(DOMWrap);\n\n function DOMWrap() {\n var _this;\n\n _classCallCheck(this, DOMWrap);\n\n _this = _super.apply(this, arguments);\n _this.resizeObserver = null;\n _this.mutationObserver = null; // original scroll size of the list\n\n _this.originalTotalWidth = 0; // copy of overflowed items\n\n _this.overflowedItems = []; // cache item of the original items (so we can track the size and order)\n\n _this.menuItemSizes = [];\n _this.cancelFrameId = null;\n _this.state = {\n lastVisibleIndex: undefined\n }; // get all valid menuItem nodes\n\n _this.getMenuItemNodes = function () {\n var prefixCls = _this.props.prefixCls;\n var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));\n\n if (!ul) {\n return [];\n } // filter out all overflowed indicator placeholder\n\n\n return [].slice.call(ul.children).filter(function (node) {\n return node.className.split(' ').indexOf(\"\".concat(prefixCls, \"-overflowed-submenu\")) < 0;\n });\n };\n\n _this.getOverflowedSubMenuItem = function (keyPrefix, overflowedItems, renderPlaceholder) {\n var _this$props = _this.props,\n overflowedIndicator = _this$props.overflowedIndicator,\n level = _this$props.level,\n mode = _this$props.mode,\n prefixCls = _this$props.prefixCls,\n theme = _this$props.theme;\n\n if (level !== 1 || mode !== 'horizontal') {\n return null;\n } // put all the overflowed item inside a submenu\n // with a title of overflow indicator ('...')\n\n\n var copy = _this.props.children[0];\n\n var _copy$props = copy.props,\n throwAway = _copy$props.children,\n title = _copy$props.title,\n propStyle = _copy$props.style,\n rest = _objectWithoutProperties(_copy$props, [\"children\", \"title\", \"style\"]);\n\n var style = _objectSpread({}, propStyle);\n\n var key = \"\".concat(keyPrefix, \"-overflowed-indicator\");\n var eventKey = \"\".concat(keyPrefix, \"-overflowed-indicator\");\n\n if (overflowedItems.length === 0 && renderPlaceholder !== true) {\n style = _objectSpread(_objectSpread({}, style), {}, {\n display: 'none'\n });\n } else if (renderPlaceholder) {\n style = _objectSpread(_objectSpread({}, style), {}, {\n visibility: 'hidden',\n // prevent from taking normal dom space\n position: 'absolute'\n });\n key = \"\".concat(key, \"-placeholder\");\n eventKey = \"\".concat(eventKey, \"-placeholder\");\n }\n\n var popupClassName = theme ? \"\".concat(prefixCls, \"-\").concat(theme) : '';\n var props = {};\n menuAllProps.forEach(function (k) {\n if (rest[k] !== undefined) {\n props[k] = rest[k];\n }\n });\n return React.createElement(SubMenu, Object.assign({\n title: overflowedIndicator,\n className: \"\".concat(prefixCls, \"-overflowed-submenu\"),\n popupClassName: popupClassName\n }, props, {\n key: key,\n eventKey: eventKey,\n disabled: false,\n style: style\n }), overflowedItems);\n }; // memorize rendered menuSize\n\n\n _this.setChildrenWidthAndResize = function () {\n if (_this.props.mode !== 'horizontal') {\n return;\n }\n\n var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));\n\n if (!ul) {\n return;\n }\n\n var ulChildrenNodes = ul.children;\n\n if (!ulChildrenNodes || ulChildrenNodes.length === 0) {\n return;\n }\n\n var lastOverflowedIndicatorPlaceholder = ul.children[ulChildrenNodes.length - 1]; // need last overflowed indicator for calculating length;\n\n setStyle(lastOverflowedIndicatorPlaceholder, 'display', 'inline-block');\n\n var menuItemNodes = _this.getMenuItemNodes(); // reset display attribute for all hidden elements caused by overflow to calculate updated width\n // and then reset to original state after width calculation\n\n\n var overflowedItems = menuItemNodes.filter(function (c) {\n return c.className.split(' ').indexOf(MENUITEM_OVERFLOWED_CLASSNAME) >= 0;\n });\n overflowedItems.forEach(function (c) {\n setStyle(c, 'display', 'inline-block');\n });\n _this.menuItemSizes = menuItemNodes.map(function (c) {\n return getWidth(c, true);\n });\n overflowedItems.forEach(function (c) {\n setStyle(c, 'display', 'none');\n });\n _this.overflowedIndicatorWidth = getWidth(ul.children[ul.children.length - 1], true);\n _this.originalTotalWidth = _this.menuItemSizes.reduce(function (acc, cur) {\n return acc + cur;\n }, 0);\n\n _this.handleResize(); // prevent the overflowed indicator from taking space;\n\n\n setStyle(lastOverflowedIndicatorPlaceholder, 'display', 'none');\n };\n\n _this.handleResize = function () {\n if (_this.props.mode !== 'horizontal') {\n return;\n }\n\n var ul = ReactDOM.findDOMNode(_assertThisInitialized(_this));\n\n if (!ul) {\n return;\n }\n\n var width = getWidth(ul);\n _this.overflowedItems = [];\n var currentSumWidth = 0; // index for last visible child in horizontal mode\n\n var lastVisibleIndex; // float number comparison could be problematic\n // e.g. 0.1 + 0.2 > 0.3 =====> true\n // thus using FLOAT_PRECISION_ADJUST as buffer to help the situation\n\n if (_this.originalTotalWidth > width + FLOAT_PRECISION_ADJUST) {\n lastVisibleIndex = -1;\n\n _this.menuItemSizes.forEach(function (liWidth) {\n currentSumWidth += liWidth;\n\n if (currentSumWidth + _this.overflowedIndicatorWidth <= width) {\n lastVisibleIndex += 1;\n }\n });\n }\n\n _this.setState({\n lastVisibleIndex: lastVisibleIndex\n });\n };\n\n return _this;\n }\n\n _createClass(DOMWrap, [{\n key: \"componentDidMount\",\n value: function componentDidMount() {\n var _this2 = this;\n\n this.setChildrenWidthAndResize();\n\n if (this.props.level === 1 && this.props.mode === 'horizontal') {\n var menuUl = ReactDOM.findDOMNode(this);\n\n if (!menuUl) {\n return;\n }\n\n this.resizeObserver = new ResizeObserver(function (entries) {\n entries.forEach(function () {\n var cancelFrameId = _this2.cancelFrameId;\n cancelAnimationFrame(cancelFrameId);\n _this2.cancelFrameId = requestAnimationFrame(_this2.setChildrenWidthAndResize);\n });\n });\n [].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {\n _this2.resizeObserver.observe(el);\n });\n\n if (typeof MutationObserver !== 'undefined') {\n this.mutationObserver = new MutationObserver(function () {\n _this2.resizeObserver.disconnect();\n\n [].slice.call(menuUl.children).concat(menuUl).forEach(function (el) {\n _this2.resizeObserver.observe(el);\n });\n\n _this2.setChildrenWidthAndResize();\n });\n this.mutationObserver.observe(menuUl, {\n attributes: false,\n childList: true,\n subTree: false\n });\n }\n }\n }\n }, {\n key: \"componentWillUnmount\",\n value: function componentWillUnmount() {\n if (this.resizeObserver) {\n this.resizeObserver.disconnect();\n }\n\n if (this.mutationObserver) {\n this.mutationObserver.disconnect();\n }\n\n cancelAnimationFrame(this.cancelFrameId);\n }\n }, {\n key: \"renderChildren\",\n value: function renderChildren(children) {\n var _this3 = this;\n\n // need to take care of overflowed items in horizontal mode\n var lastVisibleIndex = this.state.lastVisibleIndex;\n return (children || []).reduce(function (acc, childNode, index) {\n var item = childNode;\n\n if (_this3.props.mode === 'horizontal') {\n var overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, []);\n\n if (lastVisibleIndex !== undefined && _this3.props.className.indexOf(\"\".concat(_this3.props.prefixCls, \"-root\")) !== -1) {\n if (index > lastVisibleIndex) {\n item = React.cloneElement(childNode, // 这里修改 eventKey 是为了防止隐藏状态下还会触发 openkeys 事件\n {\n style: {\n display: 'none'\n },\n eventKey: \"\".concat(childNode.props.eventKey, \"-hidden\"),\n\n /**\n * Legacy code. Here `className` never used:\n * https://github.com/react-component/menu/commit/4cd6b49fce9d116726f4ea00dda85325d6f26500#diff-e2fa48f75c2dd2318295cde428556a76R240\n */\n className: \"\".concat(MENUITEM_OVERFLOWED_CLASSNAME)\n });\n }\n\n if (index === lastVisibleIndex + 1) {\n _this3.overflowedItems = children.slice(lastVisibleIndex + 1).map(function (c) {\n return React.cloneElement(c, // children[index].key will become '.$key' in clone by default,\n // we have to overwrite with the correct key explicitly\n {\n key: c.props.eventKey,\n mode: 'vertical-left'\n });\n });\n overflowed = _this3.getOverflowedSubMenuItem(childNode.props.eventKey, _this3.overflowedItems);\n }\n }\n\n var ret = [].concat(_toConsumableArray(acc), [overflowed, item]);\n\n if (index === children.length - 1) {\n // need a placeholder for calculating overflowed indicator width\n ret.push(_this3.getOverflowedSubMenuItem(childNode.props.eventKey, [], true));\n }\n\n return ret;\n }\n\n return [].concat(_toConsumableArray(acc), [item]);\n }, []);\n }\n }, {\n key: \"render\",\n value: function render() {\n var _this$props2 = this.props,\n visible = _this$props2.visible,\n prefixCls = _this$props2.prefixCls,\n overflowedIndicator = _this$props2.overflowedIndicator,\n mode = _this$props2.mode,\n level = _this$props2.level,\n tag = _this$props2.tag,\n children = _this$props2.children,\n theme = _this$props2.theme,\n rest = _objectWithoutProperties(_this$props2, [\"visible\", \"prefixCls\", \"overflowedIndicator\", \"mode\", \"level\", \"tag\", \"children\", \"theme\"]);\n\n var Tag = tag;\n return React.createElement(Tag, Object.assign({}, rest), this.renderChildren(children));\n }\n }]);\n\n return DOMWrap;\n}(React.Component);\n\nDOMWrap.defaultProps = {\n tag: 'div',\n className: ''\n};\nexport default DOMWrap;"]},"metadata":{},"sourceType":"module"}