Anchor.js 11 KB

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  1. "use strict";
  2. var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
  3. Object.defineProperty(exports, "__esModule", {
  4. value: true
  5. });
  6. exports.default = exports.anchorProps = void 0;
  7. var _vue = require("vue");
  8. var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
  9. var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));
  10. var _scrollIntoViewIfNeeded = _interopRequireDefault(require("scroll-into-view-if-needed"));
  11. var _classNames = _interopRequireDefault(require("../_util/classNames"));
  12. var _addEventListener = _interopRequireDefault(require("../vc-util/Dom/addEventListener"));
  13. var _affix = _interopRequireDefault(require("../affix"));
  14. var _scrollTo = _interopRequireDefault(require("../_util/scrollTo"));
  15. var _getScroll = _interopRequireDefault(require("../_util/getScroll"));
  16. var _useConfigInject = _interopRequireDefault(require("../config-provider/hooks/useConfigInject"));
  17. var _context = _interopRequireDefault(require("./context"));
  18. var _style = _interopRequireDefault(require("./style"));
  19. var _AnchorLink = _interopRequireDefault(require("./AnchorLink"));
  20. var _vueTypes = _interopRequireDefault(require("../_util/vue-types"));
  21. var _devWarning = _interopRequireDefault(require("../vc-util/devWarning"));
  22. var _type = require("../_util/type");
  23. function getDefaultContainer() {
  24. return window;
  25. }
  26. function getOffsetTop(element, container) {
  27. if (!element.getClientRects().length) {
  28. return 0;
  29. }
  30. const rect = element.getBoundingClientRect();
  31. if (rect.width || rect.height) {
  32. if (container === window) {
  33. container = element.ownerDocument.documentElement;
  34. return rect.top - container.clientTop;
  35. }
  36. return rect.top - container.getBoundingClientRect().top;
  37. }
  38. return rect.top;
  39. }
  40. const sharpMatcherRegx = /#([\S ]+)$/;
  41. const anchorProps = () => ({
  42. prefixCls: String,
  43. offsetTop: Number,
  44. bounds: Number,
  45. affix: {
  46. type: Boolean,
  47. default: true
  48. },
  49. showInkInFixed: {
  50. type: Boolean,
  51. default: false
  52. },
  53. getContainer: Function,
  54. wrapperClass: String,
  55. wrapperStyle: {
  56. type: Object,
  57. default: undefined
  58. },
  59. getCurrentAnchor: Function,
  60. targetOffset: Number,
  61. items: (0, _type.arrayType)(),
  62. direction: _vueTypes.default.oneOf(['vertical', 'horizontal']).def('vertical'),
  63. onChange: Function,
  64. onClick: Function
  65. });
  66. exports.anchorProps = anchorProps;
  67. var _default = exports.default = (0, _vue.defineComponent)({
  68. compatConfig: {
  69. MODE: 3
  70. },
  71. name: 'AAnchor',
  72. inheritAttrs: false,
  73. props: anchorProps(),
  74. setup(props, _ref) {
  75. let {
  76. emit,
  77. attrs,
  78. slots,
  79. expose
  80. } = _ref;
  81. var _a;
  82. const {
  83. prefixCls,
  84. getTargetContainer,
  85. direction
  86. } = (0, _useConfigInject.default)('anchor', props);
  87. const anchorDirection = (0, _vue.computed)(() => {
  88. var _a;
  89. return (_a = props.direction) !== null && _a !== void 0 ? _a : 'vertical';
  90. });
  91. if (process.env.NODE_ENV !== 'production') {
  92. (0, _devWarning.default)(props.items && typeof slots.default !== 'function', 'Anchor', '`Anchor children` is deprecated. Please use `items` instead.');
  93. }
  94. if (process.env.NODE_ENV !== 'production') {
  95. (0, _devWarning.default)(!(anchorDirection.value === 'horizontal' && ((_a = props.items) === null || _a === void 0 ? void 0 : _a.some(n => 'children' in n))), 'Anchor', '`Anchor items#children` is not supported when `Anchor` direction is horizontal.');
  96. }
  97. const spanLinkNode = (0, _vue.ref)(null);
  98. const anchorRef = (0, _vue.ref)();
  99. const state = (0, _vue.reactive)({
  100. links: [],
  101. scrollContainer: null,
  102. scrollEvent: null,
  103. animating: false
  104. });
  105. const activeLink = (0, _vue.ref)(null);
  106. const getContainer = (0, _vue.computed)(() => {
  107. const {
  108. getContainer
  109. } = props;
  110. return getContainer || (getTargetContainer === null || getTargetContainer === void 0 ? void 0 : getTargetContainer.value) || getDefaultContainer;
  111. });
  112. // func...
  113. const getCurrentAnchor = function () {
  114. let offsetTop = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;
  115. let bounds = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 5;
  116. const linkSections = [];
  117. const container = getContainer.value();
  118. state.links.forEach(link => {
  119. const sharpLinkMatch = sharpMatcherRegx.exec(link.toString());
  120. if (!sharpLinkMatch) {
  121. return;
  122. }
  123. const target = document.getElementById(sharpLinkMatch[1]);
  124. if (target) {
  125. const top = getOffsetTop(target, container);
  126. if (top < offsetTop + bounds) {
  127. linkSections.push({
  128. link,
  129. top
  130. });
  131. }
  132. }
  133. });
  134. if (linkSections.length) {
  135. const maxSection = linkSections.reduce((prev, curr) => curr.top > prev.top ? curr : prev);
  136. return maxSection.link;
  137. }
  138. return '';
  139. };
  140. const setCurrentActiveLink = link => {
  141. const {
  142. getCurrentAnchor
  143. } = props;
  144. if (activeLink.value === link) {
  145. return;
  146. }
  147. activeLink.value = typeof getCurrentAnchor === 'function' ? getCurrentAnchor(link) : link;
  148. emit('change', link);
  149. };
  150. const handleScrollTo = link => {
  151. const {
  152. offsetTop,
  153. targetOffset
  154. } = props;
  155. setCurrentActiveLink(link);
  156. const sharpLinkMatch = sharpMatcherRegx.exec(link);
  157. if (!sharpLinkMatch) {
  158. return;
  159. }
  160. const targetElement = document.getElementById(sharpLinkMatch[1]);
  161. if (!targetElement) {
  162. return;
  163. }
  164. const container = getContainer.value();
  165. const scrollTop = (0, _getScroll.default)(container, true);
  166. const eleOffsetTop = getOffsetTop(targetElement, container);
  167. let y = scrollTop + eleOffsetTop;
  168. y -= targetOffset !== undefined ? targetOffset : offsetTop || 0;
  169. state.animating = true;
  170. (0, _scrollTo.default)(y, {
  171. callback: () => {
  172. state.animating = false;
  173. },
  174. getContainer: getContainer.value
  175. });
  176. };
  177. expose({
  178. scrollTo: handleScrollTo
  179. });
  180. const handleScroll = () => {
  181. if (state.animating) {
  182. return;
  183. }
  184. const {
  185. offsetTop,
  186. bounds,
  187. targetOffset
  188. } = props;
  189. const currentActiveLink = getCurrentAnchor(targetOffset !== undefined ? targetOffset : offsetTop || 0, bounds);
  190. setCurrentActiveLink(currentActiveLink);
  191. };
  192. const updateInk = () => {
  193. const linkNode = anchorRef.value.querySelector(`.${prefixCls.value}-link-title-active`);
  194. if (linkNode && spanLinkNode.value) {
  195. const horizontalAnchor = anchorDirection.value === 'horizontal';
  196. spanLinkNode.value.style.top = horizontalAnchor ? '' : `${linkNode.offsetTop + linkNode.clientHeight / 2}px`;
  197. spanLinkNode.value.style.height = horizontalAnchor ? '' : `${linkNode.clientHeight}px`;
  198. spanLinkNode.value.style.left = horizontalAnchor ? `${linkNode.offsetLeft}px` : '';
  199. spanLinkNode.value.style.width = horizontalAnchor ? `${linkNode.clientWidth}px` : '';
  200. if (horizontalAnchor) {
  201. (0, _scrollIntoViewIfNeeded.default)(linkNode, {
  202. scrollMode: 'if-needed',
  203. block: 'nearest'
  204. });
  205. }
  206. }
  207. };
  208. (0, _context.default)({
  209. registerLink: link => {
  210. if (!state.links.includes(link)) {
  211. state.links.push(link);
  212. }
  213. },
  214. unregisterLink: link => {
  215. const index = state.links.indexOf(link);
  216. if (index !== -1) {
  217. state.links.splice(index, 1);
  218. }
  219. },
  220. activeLink,
  221. scrollTo: handleScrollTo,
  222. handleClick: (e, info) => {
  223. emit('click', e, info);
  224. },
  225. direction: anchorDirection
  226. });
  227. (0, _vue.onMounted)(() => {
  228. (0, _vue.nextTick)(() => {
  229. const container = getContainer.value();
  230. state.scrollContainer = container;
  231. state.scrollEvent = (0, _addEventListener.default)(state.scrollContainer, 'scroll', handleScroll);
  232. handleScroll();
  233. });
  234. });
  235. (0, _vue.onBeforeUnmount)(() => {
  236. if (state.scrollEvent) {
  237. state.scrollEvent.remove();
  238. }
  239. });
  240. (0, _vue.onUpdated)(() => {
  241. if (state.scrollEvent) {
  242. const currentContainer = getContainer.value();
  243. if (state.scrollContainer !== currentContainer) {
  244. state.scrollContainer = currentContainer;
  245. state.scrollEvent.remove();
  246. state.scrollEvent = (0, _addEventListener.default)(state.scrollContainer, 'scroll', handleScroll);
  247. handleScroll();
  248. }
  249. }
  250. updateInk();
  251. });
  252. const createNestedLink = options => Array.isArray(options) ? options.map(option => {
  253. const {
  254. children,
  255. key,
  256. href,
  257. target,
  258. class: cls,
  259. style,
  260. title
  261. } = option;
  262. return (0, _vue.createVNode)(_AnchorLink.default, {
  263. "key": key,
  264. "href": href,
  265. "target": target,
  266. "class": cls,
  267. "style": style,
  268. "title": title,
  269. "customTitleProps": option
  270. }, {
  271. default: () => [anchorDirection.value === 'vertical' ? createNestedLink(children) : null],
  272. customTitle: slots.customTitle
  273. });
  274. }) : null;
  275. const [wrapSSR, hashId] = (0, _style.default)(prefixCls);
  276. return () => {
  277. var _a;
  278. const {
  279. offsetTop,
  280. affix,
  281. showInkInFixed
  282. } = props;
  283. const pre = prefixCls.value;
  284. const inkClass = (0, _classNames.default)(`${pre}-ink`, {
  285. [`${pre}-ink-visible`]: activeLink.value
  286. });
  287. const wrapperClass = (0, _classNames.default)(hashId.value, props.wrapperClass, `${pre}-wrapper`, {
  288. [`${pre}-wrapper-horizontal`]: anchorDirection.value === 'horizontal',
  289. [`${pre}-rtl`]: direction.value === 'rtl'
  290. });
  291. const anchorClass = (0, _classNames.default)(pre, {
  292. [`${pre}-fixed`]: !affix && !showInkInFixed
  293. });
  294. const wrapperStyle = (0, _extends2.default)({
  295. maxHeight: offsetTop ? `calc(100vh - ${offsetTop}px)` : '100vh'
  296. }, props.wrapperStyle);
  297. const anchorContent = (0, _vue.createVNode)("div", {
  298. "class": wrapperClass,
  299. "style": wrapperStyle,
  300. "ref": anchorRef
  301. }, [(0, _vue.createVNode)("div", {
  302. "class": anchorClass
  303. }, [(0, _vue.createVNode)("span", {
  304. "class": inkClass,
  305. "ref": spanLinkNode
  306. }, null), Array.isArray(props.items) ? createNestedLink(props.items) : (_a = slots.default) === null || _a === void 0 ? void 0 : _a.call(slots)])]);
  307. return wrapSSR(!affix ? anchorContent : (0, _vue.createVNode)(_affix.default, (0, _objectSpread2.default)((0, _objectSpread2.default)({}, attrs), {}, {
  308. "offsetTop": offsetTop,
  309. "target": getContainer.value
  310. }), {
  311. default: () => [anchorContent]
  312. }));
  313. };
  314. }
  315. });