Function fetchDailyRangeChunked

app/composables/useCharts.ts:252–268

* API limit workaround: * If the requested range is larger than the API allows (≈18 months), * split into multiple requests, then merge/sum by day.

(packageName: string, startIso: string, endIso: string)

 * split into multiple requests, then merge/sum by day.
 */
async function fetchDailyRangeChunked(packageName: string, startIso: string, endIso: string) {
  const maximumDaysPerRequest = 540
  const ranges = splitIsoRangeIntoChunksInclusive(startIso, endIso, maximumDaysPerRequest)

  if (ranges.length === 1) {
    return fetchDailyRangeCached(packageName, startIso, endIso)
  }

  const parts = await mapWithConcurrency(
    ranges,
    range => fetchDailyRangeCached(packageName, range.startIso, range.endIso),
    10,
  )
  const all = parts.flat()

  return mergeDailyPoints(all)
}

function toDateOnly(value?: string): string | null {
  if (!value) return null