Function formatNumber

scripts/sync-provider-models.ts:414–426

* Format a number with underscore separators for readability. * E.g. 131072 -> '131_072', 200000 -> '200_000'

(n: number)

 * E.g. 131072 -> '131_072', 200000 -> '200_000'
 */
function formatNumber(n: number): string {
  if (n < 1000) return String(n)
  const str = String(n)
  // Insert underscores every 3 digits from the right
  const parts: Array<string> = []
  let remaining = str
  while (remaining.length > 3) {
    parts.unshift(remaining.slice(-3))
    remaining = remaining.slice(0, -3)
  }
  parts.unshift(remaining)
  return parts.join('_')
}

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