@txdfe/at/lib/upload/util.js

一个设计体系组件库

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.errorCode = void 0;
exports.fileToObject = fileToObject;
exports.getFileItem = getFileItem;
exports.previewFile = previewFile;
exports.removeFileItem = removeFileItem;
exports.uid = uid;
var now = +new Date();
/**
 * 生成唯一的id
 * @return {String} uid
 */

function uid() {
  return (now++).toString(36);
}

function fileToObject(file) {
  if (!file.uid) {
    file.uid = uid();
  }

  return {
    lastModified: file.lastModified,
    lastModifiedDate: file.lastModifiedDate,
    name: file.filename || file.name,
    size: file.size,
    type: file.type,
    uid: file.uid,
    error: file.error,
    percent: 0,
    originFileObj: file
  };
}

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;
} // https://developer.mozilla.org/en-US/docs/Web/API/FileReader/readAsDataURL


function previewFile(file, callback) {
  var reader = new FileReader();

  reader.onloadend = function () {
    return callback(reader.result);
  };

  reader.readAsDataURL(file);
}

var errorCode = {
  EXCEED_LIMIT: 'EXCEED_LIMIT',
  BEFOREUPLOAD_REJECT: 'BEFOREUPLOAD_REJECT',
  RESPONSE_FAIL: 'RESPONSE_FAIL'
};
exports.errorCode = errorCode;