28 lines
531 B
JavaScript
28 lines
531 B
JavaScript
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class Stamp {
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/**
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* @param {object} options
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* @param {number=} options.val
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*/
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constructor(options) {
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this.val = options.val;
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this.time = Date.now();
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}
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isValid() {
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const stampAge = Date.now() - this.time;
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return this.val && stampAge < 120000;
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}
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/** @returns {Stamp} */
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orNew() {
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return this.isValid() ? this : Stamp.new();
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}
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static new() {
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return new Stamp({val: Math.floor(Date.now() / 1000)});
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}
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}
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module.exports = Stamp;
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