@rpldy/chunked-sender/lib/cjs/utils.js

adds chunked upload capabilities on top of the regular XHR uploads

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isChunkingSupported = exports.getMandatoryOptions = exports.getChunkDataFromFile = exports.CHUNKING_SUPPORT = void 0;
var _shared = require("@rpldy/shared");
var _defaults = require("./defaults");
const getMandatoryOptions = options => (0, _shared.merge)({}, _defaults.DEFAULT_OPTIONS, options);
exports.getMandatoryOptions = getMandatoryOptions;
let sliceMethod = null;
const isChunkingSupported = () => {
  sliceMethod = null;
  if ((0, _shared.hasWindow)() && "Blob" in window) {
    sliceMethod = Blob.prototype.slice || Blob.prototype.webkitSlice || Blob.prototype.mozSlice;
  }
  return !!sliceMethod;
};
exports.isChunkingSupported = isChunkingSupported;
const CHUNKING_SUPPORT = exports.CHUNKING_SUPPORT = isChunkingSupported();
const getChunkDataFromFile = (file, start, end) => {
  const blob = sliceMethod?.call(file, start, end, file.type);
  if (blob) {
    blob.name = file.name;
    blob.lastModified = file.lastModified;
  }
  return blob;
};
exports.getChunkDataFromFile = getChunkDataFromFile;