feat: resolver.resolve within scope

package.json

@@ -44,7 +44,7 @@
     "cids": "^0.1.1",
     "lodash.clonedeep": "^4.3.2",
     "lodash.defaults": "^4.0.1",
-    "lodash.includes": "^4.1.3",
+    "lodash.includes": "^4.3.0",
     "multiaddr": "^2.0.0",
     "multihashes": "^0.2.2",
     "multihashing": "^0.2.1",

src/resolver.js

@@ -11,7 +11,31 @@ exports.multicodec = 'dag-cbor'
  * throw if not possible. `block` is an IPFS Block instance (contains data + key)
  */
 exports.resolve = (block, path) => {
+  const node = util.deserialize(block.data)
+
+  // root
+
+  if (!path || path === '/') {
+    return { value: node, remainderPath: '' }
+  }
+
+  // within scope
+
+  const tree = exports.tree(block)
+  let result
+
+  tree.forEach((item) => {
+    if (item.path === path) {
+      result = { value: item.value, remainderPath: '' }
+    }
+  })
+
+  if (result) {
+    return result
+  }
 
+  // out of scope
+  // TODO
 }
 
 /*

test/resolver.spec.js

@@ -37,7 +37,20 @@ describe('IPLD format resolver (local)', () => {
 
   describe('empty node', () => {
     describe('resolver.resolve', () => {
-      it.skip('path', () => {
+      it('path within scope', () => {
+        const result = resolver.resolve(nodeBlock, 'name')
+        expect(result.value).to.equal('I am a node')
+      })
+
+      it('path within scope, but nested', () => {
+        const result = resolver.resolve(nodeBlock, 'nest/foo/bar')
+        expect(result.value).to.equal('baz')
+      })
+
+      it.skip('path out of scope', () => {
+        const result = resolver.resolve(nodeBlock, 'someLink/a/b/c')
+        expect(result.value).to.eql({ '/': 'LINK' })
+        expect(result.remainderPath).to.equal('a/b/c')
       })
     })