antd-mobile-taro-ui/cjs/components/notice-bar/notice-bar.js

以antd-mobile为设计标准，基于taro框架的微信小程序组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.NoticeBar = void 0;

var _react = _interopRequireWildcard(require("react"));

var _classnames = _interopRequireDefault(require("classnames"));

var _antdMobileTaroIcons = require("antd-mobile-taro-icons");

var _ahooks = require("ahooks");

var _withDefaultProps = require("antd-mobile/es/utils/with-default-props");

var _nativeProps = require("antd-mobile/es/utils/native-props");

var _useResizeEffect = require("antd-mobile/es/utils/use-resize-effect");

var _useMutationEffect = require("antd-mobile/es/utils/use-mutation-effect");

var _components = require("@tarojs/components");

var _taro = _interopRequireDefault(require("@tarojs/taro"));

var _uuid = require("../../utils/uuid");

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache(nodeInterop) { if (typeof WeakMap !== "function") return null; var cacheBabelInterop = new WeakMap(); var cacheNodeInterop = new WeakMap(); return (_getRequireWildcardCache = function (nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || typeof obj !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

const classPrefix = `adm-notice-bar`;
const defaultProps = {
  color: 'default',
  delay: 2000,
  speed: 50,
  icon: _react.default.createElement(_antdMobileTaroIcons.NotificationIcon, null)
};
const NoticeBar = (0, _react.memo)(p => {
  const props = (0, _withDefaultProps.mergeProps)(defaultProps, p);
  const containerRef = (0, _react.useRef)(null);
  const textRef = (0, _react.useRef)(null);
  const [visible, setVisible] = (0, _react.useState)(true);
  const {
    speed
  } = props;
  const [containerRefWidth, setContainerRefWidth] = (0, _react.useState)(0);
  const [textRefWidth, setTextRefWidth] = (0, _react.useState)(0);
  const containerRefId = (0, _react.useMemo)(() => `${classPrefix}-content-${(0, _uuid.uuid)()}`, []);
  const textRefId = (0, _react.useMemo)(() => `${classPrefix}-content-inner-${(0, _uuid.uuid)()}`, []);
  const delayLockRef = (0, _react.useRef)(true);
  const animatingRef = (0, _react.useRef)(false);

  function start() {
    if (delayLockRef.current) return;
    const container = containerRef.current;
    const text = textRef.current;
    if (!container || !text) return;

    if (containerRefWidth >= textRefWidth) {
      animatingRef.current = false;
      text.style.removeProperty('transition-duration');
      text.style.removeProperty('transform');
      return;
    }

    if (animatingRef.current) return;
    const initial = !text.style.transform;
    text.style.transitionDuration = '0s';

    if (initial) {
      text.style.transform = 'translateX(0)';
    } else {
      text.style.transform = `translateX(${containerRefWidth}px)`;
    }

    const distance = initial ? textRefWidth : containerRefWidth + textRefWidth;
    animatingRef.current = true;
    setTimeout(() => {
      text.style.transitionDuration = `${Math.round(distance / speed)}s`;
      text.style.transform = `translateX(-${textRefWidth}px)`;
    }, 500);
  }

  (0, _react.useEffect)(() => {
    setTimeout(() => {
      _taro.default.createSelectorQuery().select(`#${containerRefId}`).boundingClientRect(rect => {
        setContainerRefWidth(rect.width);
      }).exec();

      _taro.default.createSelectorQuery().select(`#${textRefId}`).boundingClientRect(rect => {
        setTextRefWidth(rect.width);
      }).exec();
    }, 0);
  }, []);
  (0, _ahooks.useTimeout)(() => {
    delayLockRef.current = false;
    start();
  }, props.delay);
  (0, _useResizeEffect.useResizeEffect)(() => {
    start();
  }, containerRef);
  (0, _useMutationEffect.useMutationEffect)(() => {
    start();
  }, textRef, {
    subtree: true,
    childList: true,
    characterData: true
  });
  if (!visible) return null;
  return (0, _nativeProps.withNativeProps)(props, _react.default.createElement(_components.View, {
    className: (0, _classnames.default)(classPrefix, `${classPrefix}-${props.color}`)
  }, props.icon && _react.default.createElement(_components.View, {
    className: `${classPrefix}-left`
  }, props.icon), _react.default.createElement(_components.View, {
    ref: containerRef,
    id: containerRefId,
    className: `${classPrefix}-content`
  }, _react.default.createElement(_components.View, {
    onTransitionEnd: () => {
      animatingRef.current = false;
      start();
    },
    ref: textRef,
    id: textRefId,
    className: `${classPrefix}-content-inner`
  }, props.content)), (props.closeable || props.extra) && _react.default.createElement(_components.View, {
    className: `${classPrefix}-right`
  }, props.extra, props.closeable && _react.default.createElement(_components.View, {
    className: `${classPrefix}-close`,
    onClick: () => {
      var _a;

      setVisible(false);
      (_a = props.onClose) === null || _a === void 0 ? void 0 : _a.call(props);
    }
  }, _react.default.createElement(_antdMobileTaroIcons.CloseIcon, {
    className: `${classPrefix}-close-icon`
  })))));
});
exports.NoticeBar = NoticeBar;