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- "use strict";
- var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
- Object.defineProperty(exports, "__esModule", {
- value: true
- });
- exports.file2Obj = file2Obj;
- exports.getFileItem = getFileItem;
- exports.isImageUrl = void 0;
- exports.previewImage = previewImage;
- exports.removeFileItem = removeFileItem;
- exports.updateFileList = updateFileList;
- var _toConsumableArray2 = _interopRequireDefault(require("@babel/runtime/helpers/toConsumableArray"));
- var _objectSpread2 = _interopRequireDefault(require("@babel/runtime/helpers/objectSpread2"));
- function file2Obj(file) {
- return (0, _objectSpread2.default)((0, _objectSpread2.default)({}, file), {}, {
- lastModified: file.lastModified,
- lastModifiedDate: file.lastModifiedDate,
- name: file.name,
- size: file.size,
- type: file.type,
- uid: file.uid,
- percent: 0,
- originFileObj: file
- });
- }
- /** Upload fileList. Replace file if exist or just push into it. */
- function updateFileList(file, fileList) {
- var nextFileList = (0, _toConsumableArray2.default)(fileList);
- var fileIndex = nextFileList.findIndex(function (_ref) {
- var uid = _ref.uid;
- return uid === file.uid;
- });
- if (fileIndex === -1) {
- nextFileList.push(file);
- } else {
- nextFileList[fileIndex] = file;
- }
- return nextFileList;
- }
- function getFileItem(file, fileList) {
- var matchKey = file.uid !== undefined ? 'uid' : 'name';
- return fileList.filter(function (item) {
- return item[matchKey] === file[matchKey];
- })[0];
- }
- function removeFileItem(file, fileList) {
- var matchKey = file.uid !== undefined ? 'uid' : 'name';
- var removed = fileList.filter(function (item) {
- return item[matchKey] !== file[matchKey];
- });
- if (removed.length === fileList.length) {
- return null;
- }
- return removed;
- }
- // ==================== Default Image Preview ====================
- var extname = function extname() {
- var url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
- var temp = url.split('/');
- var filename = temp[temp.length - 1];
- var filenameWithoutSuffix = filename.split(/#|\?/)[0];
- return (/\.[^./\\]*$/.exec(filenameWithoutSuffix) || [''])[0];
- };
- var isImageFileType = function isImageFileType(type) {
- return type.indexOf('image/') === 0;
- };
- var isImageUrl = function isImageUrl(file) {
- if (file.type && !file.thumbUrl) {
- return isImageFileType(file.type);
- }
- var url = file.thumbUrl || file.url || '';
- var extension = extname(url);
- if (/^data:image\//.test(url) || /(webp|svg|png|gif|jpg|jpeg|jfif|bmp|dpg|ico)$/i.test(extension)) {
- return true;
- }
- if (/^data:/.test(url)) {
- // other file types of base64
- return false;
- }
- if (extension) {
- // other file types which have extension
- return false;
- }
- return true;
- };
- exports.isImageUrl = isImageUrl;
- var MEASURE_SIZE = 200;
- function previewImage(file) {
- return new Promise(function (resolve) {
- if (!file.type || !isImageFileType(file.type)) {
- resolve('');
- return;
- }
- var canvas = document.createElement('canvas');
- canvas.width = MEASURE_SIZE;
- canvas.height = MEASURE_SIZE;
- canvas.style.cssText = "position: fixed; left: 0; top: 0; width: ".concat(MEASURE_SIZE, "px; height: ").concat(MEASURE_SIZE, "px; z-index: 9999; display: none;");
- document.body.appendChild(canvas);
- var ctx = canvas.getContext('2d');
- var img = new Image();
- img.onload = function () {
- var width = img.width,
- height = img.height;
- var drawWidth = MEASURE_SIZE;
- var drawHeight = MEASURE_SIZE;
- var offsetX = 0;
- var offsetY = 0;
- if (width > height) {
- drawHeight = height * (MEASURE_SIZE / width);
- offsetY = -(drawHeight - drawWidth) / 2;
- } else {
- drawWidth = width * (MEASURE_SIZE / height);
- offsetX = -(drawWidth - drawHeight) / 2;
- }
- ctx.drawImage(img, offsetX, offsetY, drawWidth, drawHeight);
- var dataURL = canvas.toDataURL();
- document.body.removeChild(canvas);
- resolve(dataURL);
- };
- img.src = window.URL.createObjectURL(file);
- });
- }
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