Fix: convert error when format includes __repeat

README.md

@@ -22,6 +22,34 @@ const data: any = b2j.convert(arry, format); // default endian is big
 
 // => {"dat": 168496141 }   # 0x0A0B0C0D
 ```
-
+## Example
+### binary
+```bin
+FF FF 01 02 03 04 05 06 07 08 09 0A 05 01 02 03 04 05
+```
+### format
+```json
+[
+  {"__reserve": 2},
+  {"__repeat": 10},
+  {"dat1": [{"v1": 1}]},
+  {"__repeat/num": 1},
+  {"dat2": [{"v1": 1}]}
+]
+```
+### output
+```json
+{
+  dat1: [
+    { v1: 1 }, { v1: 2 },
+    { v1: 3 }, { v1: 4 },
+    { v1: 5 }, { v1: 6 },
+    { v1: 7 }, { v1: 8 },
+    { v1: 9 }, { v1: 10 }
+  ],
+  "__repeat/num": 5,
+  dat2: [ { v1: 1 }, { v1: 2 }, { v1: 3 }, { v1: 4 }, { v1: 5 } ]
+}
+```
 
 more info: please refer to test.ts.

binary_to_json.ts

@@ -21,7 +21,6 @@ export class BinaryToJSON {
 
     const output: Obj = {};
     const array: object[] = []; 
-
     for (const format of formats) {
       const [key, val] = Object.entries(format)[0];
       if (Array.isArray(val)) {
@@ -59,13 +58,17 @@ export class BinaryToJSON {
       br.seek(br.position + Number(val));
       return null;
     }
-
+    if (key == "__repeat") {
+      this.#array_size = Number(val);
+      return null;
+    }
+
     let value: number = this.readBytes(br, Number(val));
 
     if (/^__repeat/.test(key)) {
       this.#array_size = value;
-      if (key === "__repeat") return null;
     }
+
     return value;
   }
 

sample2.dat

@@ -0,0 +1,2 @@
+��
	
+


sample_format.json

@@ -14,5 +14,7 @@
     {"type":1},
     {"x":1},
     {"y":1}
-  ]}
+  ]},
+  {"__repeat":3},
+  {"tag":1}
 ]

sample_format2.json

@@ -0,0 +1,7 @@
+[
+  {"__reserve": 2},
+  {"__repeat": 10},
+  {"dat1": [{"v": 1}]},
+  {"__repeat/num": 1},
+  {"dat2": [{"v": 1}]}
+]

test.ts

@@ -1,5 +1,6 @@
 import { assertEquals, assertNotEquals } from "https://deno.land/std/testing/asserts.ts";
-import { BinaryToJSON } from "https://deno.land/x/binary_to_json@v0.1.0/mod.ts";
+//import { BinaryToJSON } from "https://deno.land/x/binary_to_json@v0.1.0/mod.ts";
+import { BinaryToJSON } from "./binary_to_json.ts";
 
 Deno.test(
   "constructor",
@@ -26,11 +27,26 @@ Deno.test(
     const data: any = b2j.convert(buffer, format);
     console.log(data);
     assertEquals(0x0A,  data['state']);
-    assertEquals(0x07,  data['infos'][0]['type']);
+    assertEquals(0x01,  data['infos'][0]['type']);
     assertEquals(0x00,  data['dat'][0]['type']);
   },
 );
 
+Deno.test(
+  "convert repeat",
+  function():void {
+    const file = Deno.openSync("sample2.dat");
+    const buffer = Deno.readAllSync(file);
+    Deno.close(file.rid);
+    const format = JSON.parse(Deno.readTextFileSync("sample_format2.json"));
+    const b2j = new BinaryToJSON();
+    const data: any = b2j.convert(buffer, format);
+    console.log(data);
+    assertEquals(0x01,  data['dat1'][0]['v']);
+    assertEquals(0x01,  data['dat2'][0]['v']);
+  },
+);
+
 Deno.test(
   "little endian",
   function(): void {