in src/plugins/coding.ts [116:147]
function legacyKeyRespectingDecodeStatementForAttribute(
attribute: CodeableAttribute,
secureCoding: boolean,
): string[] {
const defaultDecodeStatement: string = decodeStatementForAttribute(
attribute,
secureCoding,
);
const decodeStatements: string[] = [defaultDecodeStatement];
if (attribute.legacyKeyNames.length > 0) {
const nilValueForAttribute: string = nilValueForType(attribute.type);
if (nilValueForAttribute.length > 0) {
const legacyDecodeStatements: string[] = FunctionUtils.flatMap(
attribute.legacyKeyNames,
(legacyKeyName) => {
return decodeStatementForAttributeAndLegacyKey(
attribute,
nilValueForAttribute,
legacyKeyName,
secureCoding,
);
},
);
if (legacyDecodeStatements.length > 0) {
return decodeStatements.concat(legacyDecodeStatements);
}
}
}
return decodeStatements;
}