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Don't include transferable on IE11 on postMessage

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mmso 2018-05-18 09:06:25 +02:00
parent 7cd2aded63
commit 11ff845c3e
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GPG Key ID: 954AFC83B3C56A54
2 changed files with 10 additions and 4 deletions
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7
src/polyfills.js
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@ -15,9 +15,10 @@ if (typeof Array.prototype.find === 'undefined') {
if (typeof Array.from === 'undefined') { if (typeof Array.from === 'undefined') {
require('core-js/fn/array/from'); require('core-js/fn/array/from');
} }
if (typeof Promise === 'undefined') {
require('core-js/fn/promise'); // No if-statement on Promise because of IE11. Otherwise Promise is undefined in the service worker.
} require('core-js/fn/promise');
if (typeof Uint8Array.from === 'undefined') { if (typeof Uint8Array.from === 'undefined') {
require('core-js/fn/typed/uint8-array'); require('core-js/fn/typed/uint8-array');
} }

7
src/util.js
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@ -30,8 +30,9 @@ import config from './config';
import util from './util'; // re-import module to access util functions import util from './util'; // re-import module to access util functions
import b64 from './encoding/base64'; import b64 from './encoding/base64';
export default { const isIE11 = typeof navigator !== 'undefined' && !!navigator.userAgent.match(/Trident\/7\.0.*rv:([0-9.]+).*\).*Gecko$/);
export default {
isString: function(data) { isString: function(data) {
return typeof data === 'string' || String.prototype.isPrototypeOf(data); return typeof data === 'string' || String.prototype.isPrototypeOf(data);
}, },
@ -51,6 +52,10 @@ export default {
* @returns {Array<ArrayBuffer>} an array of binary data to be passed * @returns {Array<ArrayBuffer>} an array of binary data to be passed
*/ */
getTransferables: function(obj) { getTransferables: function(obj) {
// Internet Explorer does not support Transferable objects.
if (isIE11) {
return undefined;
}
if (config.zero_copy && Object.prototype.isPrototypeOf(obj)) { if (config.zero_copy && Object.prototype.isPrototypeOf(obj)) {
const transferables = []; const transferables = [];
util.collectBuffers(obj, transferables); util.collectBuffers(obj, transferables);