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17 lines
601 B
TypeScript
17 lines
601 B
TypeScript
2 years ago
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/**
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* Checks if the given value is a valid Unix timestamp.
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* @param value timestamp in milliseconds
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*/
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export function isValidUnixTimestamp(value: number): boolean {
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// The Unix timestamp is a way to track time as a running total of seconds.
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// It counts the number of seconds since January 1, 1970 (UTC).
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// Hence, it should be a non-negative number.
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if (typeof value !== 'number' || value < 0) {
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return false;
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}
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// Convert the Unix timestamp to a Date object and check if it's valid.
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const date = new Date(value * 1000);
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return date instanceof Date && !Number.isNaN(date);
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}
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