43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
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/*
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Copyright 2018 New Vector Ltd
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Copyright 2019 The Matrix.org Foundation C.I.C.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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const LOWERCASE = "abcdefghijklmnopqrstuvwxyz";
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const UPPERCASE = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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const DIGITS = "0123456789";
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export function randomString(len) {
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return randomStringFrom(len, UPPERCASE + LOWERCASE + DIGITS);
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}
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export function randomLowercaseString(len) {
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return randomStringFrom(len, LOWERCASE);
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}
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export function randomUppercaseString(len) {
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return randomStringFrom(len, UPPERCASE);
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}
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function randomStringFrom(len, chars) {
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let ret = "";
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for (let i = 0; i < len; ++i) {
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ret += chars.charAt(Math.floor(Math.random() * chars.length));
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}
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return ret;
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}
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