support deep set

Author: Raynos

index.js

@@ -8,6 +8,7 @@ var join = require('path').join;
 var fs = require('fs');
 var EventEmitter = require('events').EventEmitter;
 var TypedError = require('error/typed');
+var deepExtend = require('deep-extend');
 
 var InvalidDirname = TypedError({
     type: 'missing.dirname.argument',
@@ -191,6 +192,14 @@ function fetchConfigSync(dirname, opts) {
             });
         }
 
-        return putPath(configState, keyPath, value);
+        var v = getKey(keyPath);
+
+        if (typeof v === 'object' && v !== null) {
+            v = deepExtend(v, value);
+        } else {
+            v = value;
+        }
+
+        return putPath(configState, keyPath, v);
     }
 }

package.json

@@ -13,6 +13,7 @@
   },
   "dependencies": {
     "config-chain": "^1.1.8",
+    "deep-extend": "^0.2.11",
     "dotty": "0.0.2",
     "error": "^4.1.1",
     "flatten-prototypes": "^2.0.1",

test/index.js

@@ -256,6 +256,36 @@ test('config.set()', function (assert) {
     assert.end();
 });
 
+test('config.set() deep', function (assert) {
+    var config = fetchConfig(__dirname);
+
+    config.set('key', {
+        foo: 'bar',
+        deep: {
+            'thingy': 'thongy'
+        }
+    });
+
+    config.set('key', {
+        newKey: 'woh',
+        deep: {
+            'other': 'yeah'
+        }
+    });
+
+    var k = config.get('key');
+    assert.deepEqual(k, {
+        foo: 'bar',
+        newKey: 'woh',
+        deep: {
+            'thingy': 'thongy',
+            'other': 'yeah'
+        }
+    });
+
+    assert.end();
+});
+
 test('config.set(undefined) throws', function (assert) {
     var config = fetchConfig(__dirname);