antd-mobile-taro-ui/es/components/popup/popup.js

以antd-mobile为设计标准，基于taro框架的微信小程序组件库

import { View } from '@tarojs/components';
import classNames from 'classnames';
import React, { useEffect, useRef, useState } from 'react';
import { withNativeProps } from 'antd-mobile/es/utils/native-props';
import { mergeProps } from 'antd-mobile/es/utils/with-default-props';
import { CloseIcon } from 'antd-mobile-taro-icons';
import { withStopPropagation } from 'antd-mobile/es/utils/with-stop-propagation';
import { ShouldRender } from 'antd-mobile/es/utils/should-render';
import { useUnmountedRef } from 'ahooks';
import Mask from '../mask';
import { defaultPopupBaseProps } from './popup-base-props';
const classPrefix = `adm-popup`;
const defaultProps = Object.assign(Object.assign({}, defaultPopupBaseProps), {
  position: 'bottom'
});
export const Popup = p => {
  const props = mergeProps(defaultProps, p);
  const bodyCls = classNames(`${classPrefix}-body`, props.bodyClassName, `${classPrefix}-body-position-${props.position}`);

  const percent = v => {
    if (props.visible) {
      return `translate(0, 0%)`;
    }

    if (props.position === 'bottom') {
      return `translate(0, ${v}%)`;
    }

    if (props.position === 'top') {
      return `translate(0, -${v}%)`;
    }

    if (props.position === 'left') {
      return `translate(-${v}%, 0)`;
    }

    if (props.position === 'right') {
      return `translate(${v}%, 0)`;
    }

    return 'none';
  };

  const [active, setActive] = useState(props.visible);
  const unmountedRef = useUnmountedRef();
  const init = useRef(true);
  useEffect(() => {
    if (init.current) return;
    if (unmountedRef.current) return;
    setActive(props.visible);
  }, [props.visible]);
  useEffect(() => {
    if (init.current) {
      setActive(true);
      init.current = false;
    }
  }, []);
  const node = withStopPropagation(props.stopPropagation, withNativeProps(props, React.createElement(View, {
    className: classPrefix,
    onClick: props.onClick,
    style: {
      opacity: props.visible ? '1' : '0',
      zIndex: props.visible ? 'var(--z-index)' : '-1'
    }
  }, props.mask && React.createElement(Mask, {
    visible: props.visible,
    forceRender: props.forceRender,
    destroyOnClose: props.destroyOnClose,
    onMaskClick: e => {
      var _a, _b;

      (_a = props.onMaskClick) === null || _a === void 0 ? void 0 : _a.call(props, e);

      if (props.closeOnMaskClick) {
        (_b = props.onClose) === null || _b === void 0 ? void 0 : _b.call(props);
      }
    },
    className: props.maskClassName,
    style: props.maskStyle,
    disableBodyScroll: false,
    stopPropagation: props.stopPropagation,
    afterClose: () => {
      var _a;

      (_a = props.afterClose) === null || _a === void 0 ? void 0 : _a.call(props);
    },
    afterShow: () => {
      var _a;

      (_a = props.afterShow) === null || _a === void 0 ? void 0 : _a.call(props);
    }
  }), React.createElement(View, {
    className: bodyCls,
    style: Object.assign(Object.assign({}, props.bodyStyle), {
      transform: percent(100)
    })
  }, props.showCloseButton && withStopPropagation(['click'], React.createElement(View, {
    className: classNames(`${classPrefix}-close-icon`, 'adm-plain-anchor'),
    onClick: () => {
      var _a;

      (_a = props.onClose) === null || _a === void 0 ? void 0 : _a.call(props);
    }
  }, React.createElement(CloseIcon, null))), props.children))));
  return React.createElement(ShouldRender, {
    active: active,
    forceRender: props.forceRender,
    destroyOnClose: props.destroyOnClose
  }, node);
};