Function: defineLoopSpec()

defineLoopSpec(input): LoopSpec

Define a TR3 loop specification. Validates structurally, freezes the resulting LoopSpec (along with its segments and children arrays), and returns it. Pure - no I/O, no global state.

Parameters

input

DefineLoopSpecInput

Returns

LoopSpec

Example

import { defineLoopSpec } from "@cosyte/x12";
const Loop2110 = defineLoopSpec({
  id: "2110",
  description: "835 Service Payment Information",
  trigger: "SVC",
  segments: [
    { id: "SVC", usage: "required",  max: 1 },
    { id: "DTM", usage: "situational", max: ">1" },
    { id: "CAS", usage: "situational", max: ">1" },
    { id: "REF", usage: "situational", max: ">1" },
    { id: "AMT", usage: "situational", max: ">1" },
    { id: "LQ",  usage: "situational", max: ">1" },
  ],
});
Loop2110.trigger; // "SVC"