feat(utxo-bin): add nodeCatchError

Wrapper around `node()` and `handleParseError()` to catch errors and return a
parse error node instead of throwing an error.

Issue: BTC-1533

Author: OttoAllmendinger

modules/utxo-bin/src/Parser.ts

@@ -23,9 +23,11 @@ export type ParserNode = {
 
 export class Parser {
   parseError: 'throw' | 'continue';
+
   constructor(params: { parseError?: 'throw' | 'continue' } = {}) {
     this.parseError = params.parseError ?? 'continue';
   }
+
   node(label: string | number, value: ParserNodeValue, nodes: ParserNode[] = []): ParserNode {
     if (!isParserNodeValue(value)) {
       throw new Error(`invalid node value ${typeof value}`);
@@ -38,6 +40,18 @@ export class Parser {
     };
   }
 
+  nodeCatchError(
+    label: string | number,
+    buildValue: () => ParserNodeValue | undefined,
+    buildNodes: () => ParserNode[] = () => []
+  ): ParserNode {
+    try {
+      return this.node(label, buildValue?.(), buildNodes());
+    } catch (e) {
+      return this.handleParseError(e);
+    }
+  }
+
   handleParseError(e: unknown): ParserNode {
     if (this.parseError === 'throw') {
       throw e;