vantui-edit/es/image/index.js

一套适用于Taro3及React的vantui组件库

import _defineProperty from "@babel/runtime/helpers/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
var _excluded = ["src", "round", "width", "height", "radius", "lazyLoad", "showMenuByLongpress", "fit", "showError", "showLoading", "className", "style", "renderError", "renderLoading"];

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }

import { useEffect, useState, useCallback, useMemo, useLayoutEffect } from 'react';
import { View, Image as TaroImage } from '@tarojs/components';
import * as utils from '../wxs/utils';
import VanIcon from '../icon/index';
import * as computed from './wxs';
import { jsx as _jsx } from "react/jsx-runtime";
import { jsxs as _jsxs } from "react/jsx-runtime";
export function Image(props) {
  var src = props.src,
      round = props.round,
      width = props.width,
      height = props.height,
      radius = props.radius,
      lazyLoad = props.lazyLoad,
      showMenuByLongpress = props.showMenuByLongpress,
      fit = props.fit,
      _props$showError = props.showError,
      showError = _props$showError === void 0 ? true : _props$showError,
      _props$showLoading = props.showLoading,
      showLoading = _props$showLoading === void 0 ? true : _props$showLoading,
      className = props.className,
      style = props.style,
      renderError = props.renderError,
      renderLoading = props.renderLoading,
      others = _objectWithoutProperties(props, _excluded);

  var _useState = useState(),
      _useState2 = _slicedToArray(_useState, 2),
      loading = _useState2[0],
      setLoading = _useState2[1];

  var _useState3 = useState(false),
      _useState4 = _slicedToArray(_useState3, 2),
      error = _useState4[0],
      setError = _useState4[1];

  useLayoutEffect(function () {
    if (error) setError(false);
  }, // eslint-disable-next-line react-hooks/exhaustive-deps
  [src]);
  useEffect(function () {
    if (loading === undefined) setLoading(true);
    setError(false);
  }, [loading]);
  var onLoad = useCallback(function () {
    setLoading(false);
  }, []);
  var onError = useCallback(function () {
    setError(true);
  }, []); //样式挂在给img外层的webCompoent

  var styleH5 = useMemo(function () {
    var style = {};

    if (process.env.TARO_ENV === 'h5') {
      if (fit === 'heightFix' || fit === 'widthFix') {
        style = {
          display: 'flex',
          alignItems: 'center',
          justifyContent: 'center'
        };
      }
    }

    return style;
  }, [fit]);
  return /*#__PURE__*/_jsxs(View, _objectSpread(_objectSpread({
    style: utils.style([computed.rootStyle({
      width: width,
      height: height,
      radius: radius
    }), style]),
    className: ' ' + utils.bem('image', {
      round: round
    }) + ' ' + className,
    onClick: others.onClick
  }, others), {}, {
    children: [!error && /*#__PURE__*/_jsx(TaroImage, {
      src: src,
      mode: computed.mode(fit || 'none'),
      lazyLoad: lazyLoad,
      className: "image-class van-image__img",
      showMenuByLongpress: showMenuByLongpress,
      onLoad: onLoad,
      onError: onError,
      style: styleH5
    }), loading && showLoading && /*#__PURE__*/_jsx(View, {
      className: "loading-class van-image__loading",
      children: renderLoading || /*#__PURE__*/_jsx(VanIcon, {
        name: "photo",
        className: "van-image__loading-icon"
      })
    }), error && showError && /*#__PURE__*/_jsx(View, {
      className: "error-class van-image__error",
      children: renderError || /*#__PURE__*/_jsx(VanIcon, {
        name: "photo-fail",
        className: "van-image__error-icon"
      })
    })]
  }));
}
export default Image;