mirror of
https://github.com/vector-im/element-call.git
synced 2024-11-21 00:28:08 +08:00
43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
|
/*
|
||
|
Copyright 2018 New Vector Ltd
|
||
|
Copyright 2019 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.
|
||
|
*/
|
||
|
|
||
|
const LOWERCASE = "abcdefghijklmnopqrstuvwxyz";
|
||
|
const UPPERCASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
|
||
|
const DIGITS = "0123456789";
|
||
|
|
||
|
export function randomString(len) {
|
||
|
return randomStringFrom(len, UPPERCASE + LOWERCASE + DIGITS);
|
||
|
}
|
||
|
|
||
|
export function randomLowercaseString(len) {
|
||
|
return randomStringFrom(len, LOWERCASE);
|
||
|
}
|
||
|
|
||
|
export function randomUppercaseString(len) {
|
||
|
return randomStringFrom(len, UPPERCASE);
|
||
|
}
|
||
|
|
||
|
function randomStringFrom(len, chars) {
|
||
|
let ret = "";
|
||
|
|
||
|
for (let i = 0; i < len; ++i) {
|
||
|
ret += chars.charAt(Math.floor(Math.random() * chars.length));
|
||
|
}
|
||
|
|
||
|
return ret;
|
||
|
}
|