Function rollingQueryDateRange

Get a query range appropriate for a given aggregate level.

Returns an object with start and end Date properties, using the given endDate parameter as the basis for calculating the start as an offset backwards in time based on the given aggregate level.

The aggregateTimeCount will be treated as a "next higher" aggregate level from aggregate, like this:

• < Hour: numHours
• Hour : numDays
• Day : numMonths
• Month : numYears

For example, you might like to render a chart using TenMinute aggregate data for the last 24 hours. You'd call this function like this:

const range = rollingQueryDateRange(Aggregates.TenMinute, 24);

// or, passing a DateRangeConfiguration
const range = rollingQueryDateRange(Aggregates.TenMinute, {numHours:24});
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