todo

src/parsers.ts

@@ -198,7 +198,8 @@ export const parseArray = <T>(
 }
 
 const areUnique = <T>(items: T[], serialize: Serializer<T>): boolean => {
-  const s = new Set<Buffer>(items.map(serialize).map(encodeToCbor))
+  const encoded: Buffer[] = items.map(serialize).map(encodeToCbor)
+  const s = new Set<string>(encoded.map((buffer) => buffer.toString('hex')))
   return s.size === items.length
 }
 
@@ -274,7 +275,7 @@ export const parseCddlNonEmptyOrderedSet = <T>(
  *     // returns [123N, -1N]
  *     parseTuple([123, -1], InvalidDataReason.INVALID, parseUint64, parseInt64)
  */
-export const parseTuple = <T extends unknown[]>(
+export const parseTupleWithUndefined = <T extends unknown[]>(
   data: unknown,
   errMsg: ParseErrorReason,
   ...parsers: {[K in keyof T]: Parser<T[K]>}
@@ -285,6 +286,26 @@ export const parseTuple = <T extends unknown[]>(
   return parsers.map((parser, index) => parser(data[index])) as T
 }
 
+/**
+ * Parses the data as an array of length of the provided parsers.
+ * If the number of provided parsers exceeds the length of parsed array,
+ * an error is thrown.
+ *
+ * @example
+ *     // returns [123N, -1N]
+ *     parseTuple([123, -1], InvalidDataReason.INVALID, parseUint64, parseInt64)
+ */
+export const parseTuple = <T extends unknown[]>(
+  data: unknown,
+  errMsg: ParseErrorReason,
+  ...parsers: {[K in keyof T]: Parser<T[K]>}
+): T => {
+  validate(isArray(data), errMsg)
+  validate(data.length === parsers.length, errMsg)
+
+  return parsers.map((parser, index) => parser(data[index])) as T
+}
+
 export const parseOptional = <T>(
   data: unknown,
   parser: Parser<T>,