Date range generator
JavaScript, Date, Function, Generator · Jun 21, 2021

Creates a generator, that generates all dates in the given range using the given step.
- Use a
while
loop to iterate fromstart
toend
, usingyield
to return each date in the range, using theDate
constructor. - Use
Date.prototype.getDate()
andDate.prototype.setDate()
to increment bystep
days after returning each subsequent value. - Omit the third argument,
step
, to use a default value of1
.
const dateRangeGenerator = function* (start, end, step = 1) {
let d = start;
while (d < end) {
yield new Date(d);
d.setDate(d.getDate() + step);
}
};
[...dateRangeGenerator(new Date('2021-06-01'), new Date('2021-06-04'))];
// [ 2021-06-01, 2021-06-02, 2021-06-03 ]