Function parseCronSeconds

Parses CronSeconds into a string.

Example

parseCronSeconds(10); // "10",
parseCronSeconds("*"); // "*",
parseCronSeconds({ every: 10, start: 2 }); // "2/10",
parseCronSeconds([1, 2, 3, 4]); // "1,2,3,4",
parseCronSeconds({ from: 5, to: 10 }); // "5-10",
parseCronSeconds([1, 2, 3, 4, { from: 5, to: 10 }]); // "1,2,3,4,5-10",

Returns

A string or undefined if invalid.