Merge pull request #7 from jsonjoy-com/bin-support

`Buffer` support

Author: streamich

src/cbor/CborEncoder.ts

@@ -40,6 +40,9 @@ export class CborEncoder<W extends IWriter & IWriterGrowable = IWriter & IWriter
             const buf = (value as JsonPackValue).val;
             return this.writer.buf(buf, buf.length);
           default:
+            if (value instanceof Uint8Array) return this.writeBin(value);
+            if (Array.isArray(value)) return this.writeArr(value);
+            if (value instanceof Map) return this.writeMap(value);
             return this.writeUnknown(value);
         }
       }

src/cbor/__tests__/CborEncoder.spec.ts

@@ -135,6 +135,13 @@ describe('binary', () => {
     const decoded = decode(encoded) as Buffer;
     expect(toUint8Array(decoded)).toStrictEqual(new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9]));
   });
+
+  test('can encode Buffer', () => {
+    const buf = Buffer.from('asdf');
+    const encoded = encoder.encode(buf);
+    const decoded = toUint8Array(decode(encoded));
+    expect(decoded).toStrictEqual(toUint8Array(buf));
+  });
 });
 
 describe('strings', () => {

src/json/JsonEncoder.ts

@@ -40,6 +40,8 @@ export class JsonEncoder implements BinaryJsonEncoder, StreamingBinaryJsonEncode
           case Uint8Array:
             return this.writeBin(value as Uint8Array);
           default:
+            if (value instanceof Uint8Array) return this.writeBin(value);
+            if (Array.isArray(value)) return this.writeArr(value);
             return this.writeUnknown(value);
         }
       }

src/json/__tests__/buffer.spec.ts

@@ -0,0 +1,12 @@
+import {Writer} from '@jsonjoy.com/util/lib/buffers/Writer';
+import {JsonEncoder} from '../JsonEncoder';
+import {JsonDecoder} from '../JsonDecoder';
+
+test('supports Buffer', () => {
+  const encoder = new JsonEncoder(new Writer());
+  const buf = Buffer.from([1, 2, 3]);
+  const encoded = encoder.encode(buf);
+  const decoder = new JsonDecoder();
+  const decoded = decoder.decode(encoded);
+  expect(decoded).toStrictEqual(new Uint8Array([1, 2, 3]));
+});

src/msgpack/__tests__/MsgPackEncoder.spec.ts

@@ -18,6 +18,15 @@ describe('binary', () => {
   });
 });
 
+describe('Buffer', () => {
+  test('supports Buffer instances', () => {
+    const data = {foo: Buffer.from([3, 2, 1])};
+    const encoded = encode(data);
+    const decoded = decode(encoded);
+    expect(decoded).toStrictEqual({foo: new Uint8Array([3, 2, 1])});
+  });
+});
+
 describe('extensions', () => {
   test('can encode a 5 byte extension', () => {
     const ext = new JsonPackExtension(33, new Uint8Array([1, 2, 3, 4, 5]));