JavaScript version
extract.js
// `date` is a `Date` object
const extract = (date) =>
date
.toISOString()
.split(/[^0-9]/)
.slice(0, -1);
// `extract` is an array of [year, month, day, hour, minute, second, millisecond]
TypeScript version
extract.ts
const extract = (date: Date): string[] =>
date
.toISOString()
.split(/[^0-9]/)
.slice(0, -1);