Function parseNullableFiniteNumber

src/node/services/analytics/etl.test.ts:136–153

(value: unknown, fieldName: string)

}

function parseNullableFiniteNumber(value: unknown, fieldName: string): number | null {
  if (value === null) {
    return null;
  }

  if (typeof value === "number") {
    assert(Number.isFinite(value), `${fieldName} should be a finite number`);
    return value;
  }

  if (typeof value === "bigint") {
    const coerced = Number(value);
    assert(Number.isFinite(coerced), `${fieldName} should coerce to a finite number`);
    return coerced;
  }

  throw new TypeError(`${fieldName} should be numeric or null`);
}

function createHeadSignatureFromRow(row: {
  timestamp: unknown;