Revert special refs map

lxsmnsyc · Nov 14, 2023 · c538439 · c538439
1 parent b3fbdb5
commit c538439
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Showing 2 changed files with 7 additions and 17 deletions.
diff --git a/packages/seroval/src/core/parser-context.ts b/packages/seroval/src/core/parser-context.ts
@@ -4,7 +4,7 @@ import { SerovalNodeType } from './constants';
 import type { Plugin, PluginAccessOptions, SerovalMode } from './plugin';
 import { hasReferenceID } from './reference';
 import type { SpecialReference } from './special-reference';
-import { getSpecialReferenceSource } from './special-reference';
+import { SPECIAL_REFS } from './special-reference';
 import type {
   SerovalIndexedValueNode, SerovalReferenceNode, SerovalSpecialReferenceNode,
 } from './types';
@@ -68,7 +68,7 @@ export abstract class BaseParserContext implements PluginAccessOptions {
     current: SpecialReference,
   ): SerovalIndexedValueNode | SerovalReferenceNode | SerovalSpecialReferenceNode {
     const ref = this.getReference(
-      getSpecialReferenceSource(this.features, current),
+      SPECIAL_REFS[current],
     );
     if (typeof ref === 'number') {
       return {

diff --git a/packages/seroval/src/core/special-reference.ts b/packages/seroval/src/core/special-reference.ts
@@ -12,21 +12,11 @@ export const enum SpecialReference {
   SymbolIterator = 2,
 }
 
-const SENTINEL_REF = {};
-const ITERATOR_REF = {};
-
-export function getSpecialReferenceSource(features: number, ref: SpecialReference): unknown {
-  switch (ref) {
-    case SpecialReference.Sentinel:
-      return SENTINEL_REF;
-    case SpecialReference.Iterator:
-      return ITERATOR_REF;
-    case SpecialReference.SymbolIterator:
-      return Symbol.iterator;
-    default:
-      throw new Error('unknown special reference ' + ref);
-  }
-}
+export const SPECIAL_REFS: Record<SpecialReference, unknown> = {
+  [SpecialReference.Sentinel]: {},
+  [SpecialReference.Iterator]: {},
+  [SpecialReference.SymbolIterator]: Symbol.iterator,
+};
 
 export function getSpecialReferenceValue(features: number, ref: SpecialReference): string {
   switch (ref) {