mirror of
https://github.com/vector-im/hydrogen-web.git
synced 2024-12-23 19:45:05 +01:00
38 lines
1.1 KiB
JavaScript
38 lines
1.1 KiB
JavaScript
/*
|
|
Copyright 2020 Bruno Windels <bruno@windels.cloud>
|
|
Copyright 2020 The Matrix.org Foundation C.I.C.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
export function makeTxnId() {
|
|
const n = Math.floor(Math.random() * Number.MAX_SAFE_INTEGER);
|
|
const str = n.toString(16);
|
|
return "t" + "0".repeat(14 - str.length) + str;
|
|
}
|
|
|
|
export function isTxnId(txnId) {
|
|
return txnId.startsWith("t") && txnId.length === 15;
|
|
}
|
|
|
|
export function tests() {
|
|
return {
|
|
"isTxnId succeeds on result of makeTxnId": assert => {
|
|
assert(isTxnId(makeTxnId()));
|
|
},
|
|
"isTxnId fails on event id": assert => {
|
|
assert(!isTxnId("$yS_n5n3cIO2aTtek0_2ZSlv-7g4YYR2zKrk2mFCW_rm"));
|
|
},
|
|
}
|
|
}
|