Add meid
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3 changed files with 30 additions and 12 deletions
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@ -127,18 +127,10 @@ drive:
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# change it according to your preferences.
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# Available methods:
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# aid ... Use AID for ID generation
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# ulid ... Use ulid for ID generation
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# objectid ... This is left for backward compatibility.
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# AID is the original ID generation method.
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# ULID: Universally Unique Lexicographically Sortable Identifier.
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# for more details: https://github.com/ulid/spec
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# * Normally, AID should be sufficient.
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# ObjectID is the method used in previous versions of Misskey.
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# * Choose this if you are migrating from a previous Misskey.
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# aid ... Short, Millisecond accuracy
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# meid ... Similar to ObjectID, Millisecond accuracy
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# ulid ... Millisecond accuracy
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# objectid ... This is left for backward compatibility
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id: 'aid'
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@ -1,5 +1,6 @@
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import { ulid } from 'ulid';
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import { genAid } from './id/aid';
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import { genMeid } from './id/meid';
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import { genObjectId } from './id/object-id';
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import config from '../config';
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@ -10,6 +11,7 @@ export function genId(date?: Date): string {
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switch (metohd) {
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case 'aid': return genAid(date);
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case 'meid': return genMeid(date);
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case 'ulid': return ulid(date.getTime());
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case 'objectid': return genObjectId(date);
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default: throw 'unknown id generation method';
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24
src/misc/id/meid.ts
Normal file
24
src/misc/id/meid.ts
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@ -0,0 +1,24 @@
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const CHARS = '0123456789abcdef';
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function getTime(time: number) {
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if (time < 0) time = 0;
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if (time === 0) {
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return CHARS[0];
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}
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return time.toString(16).padStart(16, CHARS[0]);
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}
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function getRandom() {
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let str = '';
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for (let i = 0; i < 7; i++) {
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str += CHARS[Math.floor(Math.random() * CHARS.length)];
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}
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return str;
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}
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export function genMeid(date: Date): string {
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return 'f' + getTime(date.getTime()) + getRandom();
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}
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