24 lines
528 B
JavaScript
24 lines
528 B
JavaScript
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'use strict';
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const moment = require('moment');
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class IdGenerator {
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constructor() {
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this._lastUsedTimestamp = null;
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this._counter = 0;
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}
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nextId() {
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const currentTimestamp = moment().valueOf();
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if (currentTimestamp === this._lastUsedTimestamp) {
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return currentTimestamp.toString(36) + '.' + (++this._counter).toString(36);
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} else {
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this._counter = 0;
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this._lastUsedTimestamp = currentTimestamp;
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return currentTimestamp.toString(36);
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}
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}
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}
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module.exports = IdGenerator;
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