tdesign-vue/lib/image-viewer/utils.js

tdesign-vue

/**
 * tdesign v1.14.1
 * (c) 2025 tdesign
 * @license MIT
 */

import _defineProperty from '@babel/runtime/helpers/defineProperty';

function ownKeys(e, r) { var t = Object.keys(e); if (Object.getOwnPropertySymbols) { var o = Object.getOwnPropertySymbols(e); r && (o = o.filter(function (r) { return Object.getOwnPropertyDescriptor(e, r).enumerable; })), t.push.apply(t, o); } return t; }
function _objectSpread(e) { for (var r = 1; r < arguments.length; r++) { var t = null != arguments[r] ? arguments[r] : {}; r % 2 ? ownKeys(Object(t), !0).forEach(function (r) { _defineProperty(e, r, t[r]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(e, Object.getOwnPropertyDescriptors(t)) : ownKeys(Object(t)).forEach(function (r) { Object.defineProperty(e, r, Object.getOwnPropertyDescriptor(t, r)); }); } return e; }
var downloadFile = function downloadFile(imgSrc) {
  var _imgSrc$split;
  var image = new Image();
  var name = (imgSrc === null || imgSrc === void 0 || (_imgSrc$split = imgSrc.split) === null || _imgSrc$split === void 0 ? void 0 : _imgSrc$split.call(imgSrc, "/").pop()) || Math.random().toString(32).slice(2);
  image.setAttribute("crossOrigin", "anonymous");
  image.onload = function () {
    var canvas = document.createElement("canvas");
    canvas.width = image.width;
    canvas.height = image.height;
    var context = canvas.getContext("2d");
    context.drawImage(image, 0, 0, image.width, image.height);
    canvas.toBlob(function (blob) {
      var url = URL.createObjectURL(blob);
      var a = document.createElement("a");
      a.download = name;
      a.href = url;
      a.click();
      a.remove();
      URL.revokeObjectURL(url);
    });
  };
  image.src = imgSrc;
};
var isImageInfo = function isImageInfo(image) {
  return !!image && typeof image !== "string" && !(image instanceof File);
};
var formatImages = function formatImages(images) {
  if (!Array.isArray(images)) return [];
  return images.map(function (item) {
    if (isImageInfo(item)) {
      return _objectSpread({
        download: true,
        thumbnail: item.mainImage
      }, item);
    }
    return {
      mainImage: item,
      thumbnail: item,
      download: true
    };
  });
};
var getOverlay = function getOverlay(props) {
  if (props.showOverlay !== void 0) {
    return props.showOverlay;
  }
  return props.mode === "modal";
};

export { downloadFile, formatImages, getOverlay };
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