antd
Version:
An enterprise-class UI design language and React components implementation
238 lines (237 loc) • 9.15 kB
JavaScript
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var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
var _classnames = _interopRequireDefault(require("classnames"));
var React = _interopRequireWildcard(require("react"));
var _affix = _interopRequireDefault(require("../affix"));
var _configProvider = require("../config-provider");
var _getScroll = _interopRequireDefault(require("../_util/getScroll"));
var _scrollTo = _interopRequireDefault(require("../_util/scrollTo"));
var _warning = _interopRequireDefault(require("../_util/warning"));
var _context = _interopRequireDefault(require("./context"));
var _AnchorLink = _interopRequireDefault(require("./AnchorLink"));
var _style = _interopRequireDefault(require("./style"));
function getDefaultContainer() {
return window;
}
function getOffsetTop(element, container) {
if (!element.getClientRects().length) {
return 0;
}
const rect = element.getBoundingClientRect();
if (rect.width || rect.height) {
if (container === window) {
container = element.ownerDocument.documentElement;
return rect.top - container.clientTop;
}
return rect.top - container.getBoundingClientRect().top;
}
return rect.top;
}
const sharpMatcherRegx = /#([\S ]+)$/;
const AnchorContent = props => {
var _a;
const {
rootClassName,
anchorPrefixCls: prefixCls,
className = '',
style,
offsetTop,
affix = true,
showInkInFixed = false,
children,
items,
bounds,
targetOffset,
onClick,
onChange,
getContainer,
getCurrentAnchor
} = props;
// =================== Warning =====================
if (process.env.NODE_ENV !== 'production') {
process.env.NODE_ENV !== "production" ? (0, _warning.default)(!children, 'Anchor', '`Anchor children` is deprecated. Please use `items` instead.') : void 0;
}
const [links, setLinks] = React.useState([]);
const [activeLink, setActiveLink] = React.useState(null);
const activeLinkRef = React.useRef(activeLink);
const wrapperRef = React.useRef(null);
const spanLinkNode = React.useRef(null);
const animating = React.useRef(false);
const {
direction,
getTargetContainer
} = React.useContext(_configProvider.ConfigContext);
const getCurrentContainer = (_a = getContainer !== null && getContainer !== void 0 ? getContainer : getTargetContainer) !== null && _a !== void 0 ? _a : getDefaultContainer;
const dependencyListItem = JSON.stringify(links);
const registerLink = React.useCallback(link => {
if (!links.includes(link)) {
setLinks(prev => [].concat((0, _toConsumableArray2.default)(prev), [link]));
}
}, [dependencyListItem]);
const unregisterLink = React.useCallback(link => {
if (links.includes(link)) {
setLinks(prev => prev.filter(i => i !== link));
}
}, [dependencyListItem]);
const updateInk = () => {
var _a;
const linkNode = (_a = wrapperRef.current) === null || _a === void 0 ? void 0 : _a.querySelector(`.${prefixCls}-link-title-active`);
if (linkNode && spanLinkNode.current) {
spanLinkNode.current.style.top = `${linkNode.offsetTop + linkNode.clientHeight / 2}px`;
spanLinkNode.current.style.height = `${linkNode.clientHeight}px`;
}
};
const getInternalCurrentAnchor = function (_links) {
let _offsetTop = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 0;
let _bounds = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 5;
const linkSections = [];
const container = getCurrentContainer();
_links.forEach(link => {
const sharpLinkMatch = sharpMatcherRegx.exec(link === null || link === void 0 ? void 0 : link.toString());
if (!sharpLinkMatch) {
return;
}
const target = document.getElementById(sharpLinkMatch[1]);
if (target) {
const top = getOffsetTop(target, container);
if (top < _offsetTop + _bounds) {
linkSections.push({
link,
top
});
}
}
});
if (linkSections.length) {
const maxSection = linkSections.reduce((prev, curr) => curr.top > prev.top ? curr : prev);
return maxSection.link;
}
return '';
};
const setCurrentActiveLink = link => {
if (activeLinkRef.current === link) {
return;
}
// https://github.com/ant-design/ant-design/issues/30584
const newLink = typeof getCurrentAnchor === 'function' ? getCurrentAnchor(link) : link;
setActiveLink(newLink);
activeLinkRef.current = newLink;
// onChange should respect the original link (which may caused by
// window scroll or user click), not the new link
onChange === null || onChange === void 0 ? void 0 : onChange(link);
};
const handleScroll = React.useCallback(() => {
if (animating.current) {
return;
}
if (typeof getCurrentAnchor === 'function') {
return;
}
const currentActiveLink = getInternalCurrentAnchor(links, targetOffset !== undefined ? targetOffset : offsetTop || 0, bounds);
setCurrentActiveLink(currentActiveLink);
}, [dependencyListItem, targetOffset, offsetTop]);
const handleScrollTo = React.useCallback(link => {
setCurrentActiveLink(link);
const container = getCurrentContainer();
const scrollTop = (0, _getScroll.default)(container, true);
const sharpLinkMatch = sharpMatcherRegx.exec(link);
if (!sharpLinkMatch) {
return;
}
const targetElement = document.getElementById(sharpLinkMatch[1]);
if (!targetElement) {
return;
}
const eleOffsetTop = getOffsetTop(targetElement, container);
let y = scrollTop + eleOffsetTop;
y -= targetOffset !== undefined ? targetOffset : offsetTop || 0;
animating.current = true;
(0, _scrollTo.default)(y, {
getContainer: getCurrentContainer,
callback() {
animating.current = false;
}
});
}, [targetOffset, offsetTop]);
const inkClass = (0, _classnames.default)({
[`${prefixCls}-ink-ball-visible`]: activeLink
}, `${prefixCls}-ink-ball`);
const wrapperClass = (0, _classnames.default)(rootClassName, `${prefixCls}-wrapper`, {
[`${prefixCls}-rtl`]: direction === 'rtl'
}, className);
const anchorClass = (0, _classnames.default)(prefixCls, {
[`${prefixCls}-fixed`]: !affix && !showInkInFixed
});
const wrapperStyle = Object.assign({
maxHeight: offsetTop ? `calc(100vh - ${offsetTop}px)` : '100vh'
}, style);
const createNestedLink = options => Array.isArray(options) ? options.map(item => /*#__PURE__*/React.createElement(_AnchorLink.default, Object.assign({}, item, {
key: item.key
}), createNestedLink(item.children))) : null;
const anchorContent = /*#__PURE__*/React.createElement("div", {
ref: wrapperRef,
className: wrapperClass,
style: wrapperStyle
}, /*#__PURE__*/React.createElement("div", {
className: anchorClass
}, /*#__PURE__*/React.createElement("div", {
className: `${prefixCls}-ink`
}, /*#__PURE__*/React.createElement("span", {
className: inkClass,
ref: spanLinkNode
})), 'items' in props ? createNestedLink(items) : children));
React.useEffect(() => {
const scrollContainer = getCurrentContainer();
handleScroll();
scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.addEventListener('scroll', handleScroll);
return () => {
scrollContainer === null || scrollContainer === void 0 ? void 0 : scrollContainer.removeEventListener('scroll', handleScroll);
};
}, [dependencyListItem]);
React.useEffect(() => {
if (typeof getCurrentAnchor === 'function') {
setCurrentActiveLink(getCurrentAnchor(activeLinkRef.current || ''));
}
}, [getCurrentAnchor]);
React.useEffect(() => {
updateInk();
}, [getCurrentAnchor, dependencyListItem, activeLink]);
const memoizedContextValue = React.useMemo(() => ({
registerLink,
unregisterLink,
scrollTo: handleScrollTo,
activeLink,
onClick
}), [activeLink, onClick, handleScrollTo]);
return /*#__PURE__*/React.createElement(_context.default.Provider, {
value: memoizedContextValue
}, affix ? /*#__PURE__*/React.createElement(_affix.default, {
offsetTop: offsetTop,
target: getCurrentContainer
}, anchorContent) : anchorContent);
};
const Anchor = props => {
const {
prefixCls: customizePrefixCls
} = props;
const {
getPrefixCls
} = React.useContext(_configProvider.ConfigContext);
const anchorPrefixCls = getPrefixCls('anchor', customizePrefixCls);
const [wrapSSR, hashId] = (0, _style.default)(anchorPrefixCls);
return wrapSSR( /*#__PURE__*/React.createElement(AnchorContent, Object.assign({}, props, {
rootClassName: hashId,
anchorPrefixCls: anchorPrefixCls
})));
};
if (process.env.NODE_ENV !== 'production') {
Anchor.displayName = 'Anchor';
}
var _default = Anchor;
exports.default = _default;