update ResultInspector options

packages/codec/lib/format/utils/inspect.ts

@@ -30,6 +30,12 @@ export interface ResultInspectorOptions {
  * the address. (By default it displays only the ENS name.)
  */
  noHideAddress?: boolean;
+ /**
+ * This flag, if set, causes mappings to be rendered via objects
+ * rather than Maps. This is intended for compatibility and not
+ * recommended for normal use.
+ */
+ renderMappingsViaObjects?: boolean;
 }
 
 /**
@@ -149,17 +155,37 @@ export class ResultInspector {
  );
  }
  case "mapping":
- return util.inspect(
- new Map(
- (<Format.Values.MappingValue>this.result).value.map(
- ({ key, value }) => [
- new ResultInspector(key, this.options),
- new ResultInspector(value, this.options)
- ]
- )
- ),
- options
- );
+ if (!this.options.renderMappingsViaObjects) {
+ //normal case
+ return util.inspect(
+ new Map(
+ (<Format.Values.MappingValue>this.result).value.map(
+ ({ key, value }) => [
+ new ResultInspector(key, this.options),
+ new ResultInspector(value, this.options)
+ ]
+ )
+ ),
+ options
+ );
+ } else {
+ //compatibility case
+ return util.inspect(
+ Object.assign(
+ {},
+ ...(<Format.Values.MappingValue>this.result).value.map(
+ ({ key, value }) => ({
+ //need to stringify key
+ [util.inspect(
+ new ResultInspector(key, this.options),
+ options
+ )]: new ResultInspector(value, this.options)
+ })
+ )
+ ),
+ options
+ );
+ }
  case "struct": {
  let coercedResult = <Format.Values.StructValue>this.result;
  if (coercedResult.reference !== undefined) {