fix: out of scope traversal for 2 or more levels deep

Author: daviddias

package.json

@@ -2,7 +2,7 @@
   "name": "ipld-dag-cbor",
   "version": "0.6.0",
   "description": "JavaScript implementation of the IPLD (InterpPlanetary Linked Data)",
-  "main": "src/index.js",
+  "main": "lib/index.js",
   "jsnext:main": "src/index.js",
   "scripts": {
     "test": "aegir-test",
@@ -49,6 +49,7 @@
     "aegir": "8.1.2",
     "async": "^2.1.2",
     "chai": "^3.5.0",
+    "ipfs-block": "^0.4.0",
     "pre-commit": "^1.1.3"
   },
   "contributors": [

src/resolver.js

@@ -45,13 +45,11 @@ exports.resolve = (block, path, callback) => {
     }
 
     // out of scope
-
-    // TODO this was my first try at writting this out of scope traversal code,
-    // it REALLY needs way more testing.
     let value
+    let len = parts.length
 
-    for (let i = 0; i < parts.length; i++) {
-      let partialPath = parts.shift()
+    for (let i = 0; i < len; i++) {
+      const partialPath = parts.shift()
 
       if (Array.isArray(node) && !Buffer.isBuffer(node)) {
         value = node[Number(partialPath)]