Array unnest bugfix, fixes #50

src/prepare.js

@@ -33,7 +33,7 @@ const extend = exports.extend = (...args) => {
 }
 
 const traverse = exports.traverse = (config, root, breadcrumbs, op) => {
-    if (a.type(config)() !== 'object') return config
+    if (a.type(config)() == 'object') {
         const result = {}
         for (const [key, val] of Object.entries(config)) {
             breadcrumbs.push(key)
@@ -41,6 +41,18 @@ const traverse = exports.traverse = (config, root, breadcrumbs, op) => {
             breadcrumbs.pop()
         }
         return result
+    } else if (a.type(config)() == 'array') {
+        const result = []
+        let index = 0
+        for (const val of config) {
+            breadcrumbs.push(`[${index}]`)
+            result[index] = traverse(val, root, breadcrumbs, op)
+            breadcrumbs.pop()
+            index++
+        }
+        return result
+    }
+    return config
 }
 
 exports.unnest = config => traverse(config, config, [], (target, key, val) => {

test/unit/prepare.js

@@ -7,6 +7,9 @@ describe('Prepare', function() {
             d: 2,
             'e.f': 3
         }}).should.deep.equal({a: {b: {c: {d: 2, e: {f: 3}}}}})
+        p.unnest({'root': [{
+            'a.b': 1
+        }]}).should.deep.equal({root: [{a: {b: 1}}]})
     })
 
     it('extend', function() {