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Version: v0.0.2

Function: get271Eligibility()

get271Eligibility(delimiters, tx): X12Eligibility | undefined

Extract a typed X12Eligibility from a 271 transaction set. Pure function - no I/O, no global state. Returns undefined only when the input transaction's ST-01 is not "271" (mis-routed call); every other deviation is recoverable and surfaces on result.warnings.

Parameters​

delimiters​

Delimiters

tx​

X12TransactionSet

Returns​

X12Eligibility | undefined

Example​

import { parseX12, get271Eligibility } from "@cosyte/x12";
const ix = parseX12(raw);
for (const group of ix.groups) {
  for (const tx of group.transactions) {
    if (tx.st.elements[1] !== "271") continue;
    const elig = get271Eligibility(ix.delimiters, tx);
    for (const sub of elig?.subscribers ?? []) {
      sub.traces[0]?.referenceId;        // echoed 270 trace number
      sub.benefits[0]?.eligibilityCode;  // "1" (Active Coverage)
    }
  }
}