45 lines
829 B
TypeScript
45 lines
829 B
TypeScript
/*
|
|
* SPDX-FileCopyrightText: syuilo and misskey-project
|
|
* SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
const CHARS = '0123456789abcdef';
|
|
|
|
// same as meid
|
|
export const objectIdRegExp = /^[0-9a-f]{24}$/;
|
|
|
|
function getTime(time: number) {
|
|
if (time < 0) time = 0;
|
|
if (time === 0) {
|
|
return CHARS[0];
|
|
}
|
|
|
|
time = Math.floor(time / 1000);
|
|
|
|
return time.toString(16).padStart(8, CHARS[0]);
|
|
}
|
|
|
|
function getRandom() {
|
|
let str = '';
|
|
|
|
for (let i = 0; i < 16; i++) {
|
|
str += CHARS[Math.floor(Math.random() * CHARS.length)];
|
|
}
|
|
|
|
return str;
|
|
}
|
|
|
|
export function genObjectId(t: number): string {
|
|
return getTime(t) + getRandom();
|
|
}
|
|
|
|
export function parseObjectId(id: string): { date: Date; } {
|
|
return {
|
|
date: new Date(parseInt(id.slice(0, 8), 16) * 1000),
|
|
};
|
|
}
|
|
|
|
export function isSafeObjectIdT(t: number): boolean {
|
|
return t > 0;
|
|
}
|