278 lines
10 KiB
JavaScript
278 lines
10 KiB
JavaScript
"use client";
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import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
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import _createClass from "@babel/runtime/helpers/esm/createClass";
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import _inherits from "@babel/runtime/helpers/esm/inherits";
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import _createSuper from "@babel/runtime/helpers/esm/createSuper";
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import React, { createRef, forwardRef, useContext } from 'react';
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import classNames from 'classnames';
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import ResizeObserver from 'rc-resize-observer';
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import omit from "rc-util/es/omit";
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import throttleByAnimationFrame from '../_util/throttleByAnimationFrame';
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import { ConfigContext } from '../config-provider';
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import useStyle from './style';
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import { getFixedBottom, getFixedTop, getTargetRect } from './utils';
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const TRIGGER_EVENTS = ['resize', 'scroll', 'touchstart', 'touchmove', 'touchend', 'pageshow', 'load'];
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function getDefaultTarget() {
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return typeof window !== 'undefined' ? window : null;
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}
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var AffixStatus;
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(function (AffixStatus) {
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AffixStatus[AffixStatus["None"] = 0] = "None";
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AffixStatus[AffixStatus["Prepare"] = 1] = "Prepare";
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})(AffixStatus || (AffixStatus = {}));
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let InternalAffix = /*#__PURE__*/function (_React$Component) {
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_inherits(InternalAffix, _React$Component);
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var _super = _createSuper(InternalAffix);
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function InternalAffix() {
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var _this;
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_classCallCheck(this, InternalAffix);
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_this = _super.apply(this, arguments);
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_this.state = {
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status: AffixStatus.None,
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lastAffix: false,
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prevTarget: null
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};
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_this.placeholderNodeRef = /*#__PURE__*/createRef();
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_this.fixedNodeRef = /*#__PURE__*/createRef();
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_this.addListeners = () => {
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const targetFunc = _this.getTargetFunc();
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const target = targetFunc === null || targetFunc === void 0 ? void 0 : targetFunc();
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const {
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prevTarget
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} = _this.state;
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if (prevTarget !== target) {
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TRIGGER_EVENTS.forEach(eventName => {
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prevTarget === null || prevTarget === void 0 ? void 0 : prevTarget.removeEventListener(eventName, _this.lazyUpdatePosition);
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target === null || target === void 0 ? void 0 : target.addEventListener(eventName, _this.lazyUpdatePosition);
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});
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_this.updatePosition();
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_this.setState({
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prevTarget: target
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});
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}
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};
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_this.removeListeners = () => {
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if (_this.timer) {
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clearTimeout(_this.timer);
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_this.timer = null;
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}
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const {
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prevTarget
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} = _this.state;
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const targetFunc = _this.getTargetFunc();
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const newTarget = targetFunc === null || targetFunc === void 0 ? void 0 : targetFunc();
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TRIGGER_EVENTS.forEach(eventName => {
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newTarget === null || newTarget === void 0 ? void 0 : newTarget.removeEventListener(eventName, _this.lazyUpdatePosition);
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prevTarget === null || prevTarget === void 0 ? void 0 : prevTarget.removeEventListener(eventName, _this.lazyUpdatePosition);
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});
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_this.updatePosition.cancel();
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// https://github.com/ant-design/ant-design/issues/22683
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_this.lazyUpdatePosition.cancel();
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};
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_this.getOffsetTop = () => {
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const {
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offsetBottom,
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offsetTop
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} = _this.props;
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return offsetBottom === undefined && offsetTop === undefined ? 0 : offsetTop;
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};
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_this.getOffsetBottom = () => _this.props.offsetBottom;
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// =================== Measure ===================
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_this.measure = () => {
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const {
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status,
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lastAffix
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} = _this.state;
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const {
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onChange
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} = _this.props;
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const targetFunc = _this.getTargetFunc();
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if (status !== AffixStatus.Prepare || !_this.fixedNodeRef.current || !_this.placeholderNodeRef.current || !targetFunc) {
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return;
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}
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const offsetTop = _this.getOffsetTop();
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const offsetBottom = _this.getOffsetBottom();
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const targetNode = targetFunc();
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if (targetNode) {
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const newState = {
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status: AffixStatus.None
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};
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const placeholderRect = getTargetRect(_this.placeholderNodeRef.current);
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if (placeholderRect.top === 0 && placeholderRect.left === 0 && placeholderRect.width === 0 && placeholderRect.height === 0) {
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return;
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}
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const targetRect = getTargetRect(targetNode);
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const fixedTop = getFixedTop(placeholderRect, targetRect, offsetTop);
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const fixedBottom = getFixedBottom(placeholderRect, targetRect, offsetBottom);
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if (fixedTop !== undefined) {
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newState.affixStyle = {
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position: 'fixed',
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top: fixedTop,
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width: placeholderRect.width,
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height: placeholderRect.height
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};
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newState.placeholderStyle = {
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width: placeholderRect.width,
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height: placeholderRect.height
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};
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} else if (fixedBottom !== undefined) {
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newState.affixStyle = {
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position: 'fixed',
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bottom: fixedBottom,
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width: placeholderRect.width,
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height: placeholderRect.height
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};
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newState.placeholderStyle = {
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width: placeholderRect.width,
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height: placeholderRect.height
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};
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}
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newState.lastAffix = !!newState.affixStyle;
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if (onChange && lastAffix !== newState.lastAffix) {
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onChange(newState.lastAffix);
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}
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_this.setState(newState);
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}
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};
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_this.prepareMeasure = () => {
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// event param is used before. Keep compatible ts define here.
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_this.setState({
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status: AffixStatus.Prepare,
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affixStyle: undefined,
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placeholderStyle: undefined
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});
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// Test if `updatePosition` called
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if (process.env.NODE_ENV === 'test') {
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const {
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onTestUpdatePosition
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} = _this.props;
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onTestUpdatePosition === null || onTestUpdatePosition === void 0 ? void 0 : onTestUpdatePosition();
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}
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};
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_this.updatePosition = throttleByAnimationFrame(() => {
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_this.prepareMeasure();
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});
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_this.lazyUpdatePosition = throttleByAnimationFrame(() => {
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const targetFunc = _this.getTargetFunc();
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const {
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affixStyle
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} = _this.state;
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// Check position change before measure to make Safari smooth
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if (targetFunc && affixStyle) {
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const offsetTop = _this.getOffsetTop();
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const offsetBottom = _this.getOffsetBottom();
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const targetNode = targetFunc();
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if (targetNode && _this.placeholderNodeRef.current) {
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const targetRect = getTargetRect(targetNode);
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const placeholderRect = getTargetRect(_this.placeholderNodeRef.current);
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const fixedTop = getFixedTop(placeholderRect, targetRect, offsetTop);
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const fixedBottom = getFixedBottom(placeholderRect, targetRect, offsetBottom);
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if (fixedTop !== undefined && affixStyle.top === fixedTop || fixedBottom !== undefined && affixStyle.bottom === fixedBottom) {
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return;
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}
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}
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}
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// Directly call prepare measure since it's already throttled.
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_this.prepareMeasure();
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});
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return _this;
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}
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_createClass(InternalAffix, [{
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key: "getTargetFunc",
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value: function getTargetFunc() {
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const {
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getTargetContainer
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} = this.context;
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const {
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target
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} = this.props;
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if (target !== undefined) {
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return target;
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}
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return getTargetContainer !== null && getTargetContainer !== void 0 ? getTargetContainer : getDefaultTarget;
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}
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// Event handler
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}, {
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key: "componentDidMount",
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value: function componentDidMount() {
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// [Legacy] Wait for parent component ref has its value.
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// We should use target as directly element instead of function which makes element check hard.
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this.timer = setTimeout(this.addListeners);
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}
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}, {
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key: "componentDidUpdate",
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value: function componentDidUpdate(prevProps) {
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this.addListeners();
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if (prevProps.offsetTop !== this.props.offsetTop || prevProps.offsetBottom !== this.props.offsetBottom) {
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this.updatePosition();
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}
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this.measure();
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}
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}, {
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key: "componentWillUnmount",
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value: function componentWillUnmount() {
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this.removeListeners();
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}
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// =================== Render ===================
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}, {
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key: "render",
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value: function render() {
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const {
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affixStyle,
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placeholderStyle
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} = this.state;
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const {
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affixPrefixCls,
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rootClassName,
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children
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} = this.props;
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const className = classNames(affixStyle && rootClassName, {
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[affixPrefixCls]: !!affixStyle
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});
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let props = omit(this.props, ['prefixCls', 'offsetTop', 'offsetBottom', 'target', 'onChange', 'affixPrefixCls', 'rootClassName']);
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// Omit this since `onTestUpdatePosition` only works on test.
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if (process.env.NODE_ENV === 'test') {
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props = omit(props, ['onTestUpdatePosition']);
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}
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return /*#__PURE__*/React.createElement(ResizeObserver, {
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onResize: this.updatePosition
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}, /*#__PURE__*/React.createElement("div", Object.assign({}, props, {
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ref: this.placeholderNodeRef
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}), affixStyle && /*#__PURE__*/React.createElement("div", {
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style: placeholderStyle,
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"aria-hidden": "true"
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}), /*#__PURE__*/React.createElement("div", {
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className: className,
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ref: this.fixedNodeRef,
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style: affixStyle
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}, /*#__PURE__*/React.createElement(ResizeObserver, {
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onResize: this.updatePosition
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}, children))));
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}
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}]);
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return InternalAffix;
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}(React.Component);
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InternalAffix.contextType = ConfigContext;
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const Affix = /*#__PURE__*/forwardRef((props, ref) => {
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const {
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prefixCls: customizePrefixCls,
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rootClassName
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} = props;
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const {
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getPrefixCls
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} = useContext(ConfigContext);
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const affixPrefixCls = getPrefixCls('affix', customizePrefixCls);
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const [wrapSSR, hashId] = useStyle(affixPrefixCls);
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const AffixProps = Object.assign(Object.assign({}, props), {
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affixPrefixCls,
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rootClassName: classNames(rootClassName, hashId)
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});
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return wrapSSR( /*#__PURE__*/React.createElement(InternalAffix, Object.assign({}, AffixProps, {
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ref: ref
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})));
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});
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if (process.env.NODE_ENV !== 'production') {
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Affix.displayName = 'Affix';
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}
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export default Affix; |