29 lines
527 B
TypeScript
29 lines
527 B
TypeScript
const CHARS = '0123456789abcdef';
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// 4bit Fixed hex value 'g'
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// 44bit UNIX Time ms in Hex
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// 48bit Random value in Hex
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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(11, 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 < 12; 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 genMeidg(date: Date): string {
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return 'g' + getTime(date.getTime()) + getRandom();
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}
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