Prioritize a support incident against its SLA

{
  "label": "Supplied agency data"
}

{
  "label": "Prioritize a support incident against its SLA",
  "code": "\nfunction obj(value, keys, required = keys) {\n  if (!value || typeof value !== 'object' || Array.isArray(value)) throw new Error('Expected object');\n  if (Object.keys(value).some(key => !keys.includes(key))) throw new Error('Unknown input field');\n  if (required.some(key => !Object.hasOwn(value, key))) throw new Error('Missing required input field');\n  return value;\n}\nfunction text(value, name, max = 200, allowEmpty = false) {\n  if (typeof value !== 'string' || value.length > max || (!allowEmpty && !value.trim())) throw new Error('Invalid ' + name);\n  return value.trim();\n}\nfunction list(value, name, max = 500) {\n  if (!Array.isArray(value) || value.length > max) throw new Error('Invalid ' + name);\n  return value;\n}\nfunction int(value, name, min = 0, max = Number.MAX_SAFE_INTEGER) {\n  if (!Number.isSafeInteger(value) || value < min || value > max) throw new Error('Invalid ' + name);\n  return value;\n}\nfunction amount(value, name) {\n  if (!Number.isFinite(value) || value < 0 || value > 1000000000) throw new Error('Invalid ' + name);\n  return value;\n}\nfunction email(value) { return /^[^\\s@]+@[^\\s@]+\\.[^\\s@]+$/.test(value); }\nfunction day(value) {\n  if (typeof value !== 'string' || !/^\\d{4}-\\d{2}-\\d{2}$/.test(value)) throw new Error('Invalid calendar date');\n  const ms = Date.parse(value + 'T00:00:00Z');\n  if (!Number.isFinite(ms) || new Date(ms).toISOString().slice(0, 10) !== value) throw new Error('Invalid calendar date');\n  return ms;\n}\nfunction instant(value) {\n  if (typeof value !== 'string' || !/^\\d{4}-\\d{2}-\\d{2}T\\d{2}:\\d{2}:\\d{2}(\\.\\d{3})?Z$/.test(value)) throw new Error('Invalid UTC timestamp');\n  const ms = Date.parse(value);\n  const normalized = value.includes('.') ? value : value.replace('Z', '.000Z');\n  if (!Number.isFinite(ms) || new Date(ms).toISOString() !== normalized) throw new Error('Invalid UTC timestamp');\n  return ms;\n}\nfunction uniqueIds(items) {\n  const ids = items.map(item => text(item.id, 'item ID', 120));\n  if (new Set(ids).size !== ids.length) throw new Error('Duplicate item ID');\n  return ids;\n}\nfunction ratioBps(numerator, denominator) {\n  const n = BigInt(numerator) * 10000n;\n  const d = BigInt(denominator);\n  const quotient = n / d;\n  const floor = n < 0n && n % d !== 0n ? quotient - 1n : quotient;\n  const result = Number(floor);\n  if (!Number.isSafeInteger(result)) throw new Error('Unsafe calculated ratio');\n  return result;\n}\n\n\nconst x = obj(context.input, ['ticketId','openedAt','asOf','impact','dataRisk','slaMinutes']);\nconst ticketId = text(x.ticketId, 'ticket ID', 120);\nconst opened = instant(x.openedAt), observed = instant(x.asOf);\nif (opened > observed) throw new Error('Opening timestamp is after observation');\nif (!['normal','degraded','outage'].includes(x.impact) || typeof x.dataRisk !== 'boolean') throw new Error('Invalid incident impact');\nconst slas = obj(x.slaMinutes, ['p1','p2','p3']);\nObject.values(slas).forEach(value => int(value, 'SLA minutes', 1, 100000));\nconst priority = x.dataRisk || x.impact === 'outage' ? 'p1' : x.impact === 'degraded' ? 'p2' : 'p3';\nconst elapsedMinutes = Math.floor((observed - opened) / 60000);\nconst targetMinutes = slas[priority];\nreturn {ticketId, priority, targetMinutes, elapsedMinutes, overdue:observed - opened > targetMinutes * 60000};\n",
  "outputVar": "result",
  "timeout": 1000,
  "memoryLimit": 16
}