Crashes because of use of JSON.stringify in Codec module #614

gigobyte · Jan 24, 2023 · ea62f0a · ea62f0a
1 parent feb3b2d
commit ea62f0a
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diff --git a/src/Codec.test.ts b/src/Codec.test.ts
@@ -88,6 +88,14 @@ describe('Codec', () => {
       })
       expect(mockCodec.encode({} as any)).toEqual({})
     })
+
+    test('bigint error reporting', () => {
+      expect(Codec.interface({ n: string }).decode({ b: BigInt(1) })).toEqual(
+        Left(
+          'Problem with property "n": it does not exist in received object {"b":"1"}'
+        )
+      )
+    })
   })
 
   describe('custom', () => {

diff --git a/src/Codec.ts b/src/Codec.ts
@@ -129,7 +129,10 @@ export const Codec = {
         ) {
           return Left(
             `Problem with property "${key}": it does not exist in received object ${JSON.stringify(
-              input
+              input,
+              (_, value) => {
+                return typeof value === 'bigint' ? value.toString() : value
+              }
             )}`
           )
         }