deepmerge - npm Package Compare versions

Comparing version 1.0.3 to 1.1.0

changelog.md

@@ -0,1 +1,5 @@
+# [1.1.0](https://github.com/KyleAMathews/deepmerge/releases/tag/v1.1.0)
+
+- allow consumers to specify their own array merging algorithm: [Pull request 37](https://github.com/KyleAMathews/deepmerge/pull/37)
+
 # [1.0.3](https://github.com/KyleAMathews/deepmerge/releases/tag/v1.0.3)
@@ -2,0 +6,0 @@

index.js

@@ -19,40 +19,48 @@ (function (root, factory) {
 
-return function deepmerge(target, src) {
-    var array = Array.isArray(src);
-    var dst = array ? [] : {};
+function defaultArrayMerge(target, source, optionsArgument) {
+    var destination = target.slice()
+    source.forEach(function(e, i) {
+        if (typeof destination[i] === 'undefined') {
+            destination[i] = e
+        } else if (isMergeableObject(e)) {
+            destination[i] = deepmerge(target[i], e, optionsArgument)
+        } else if (target.indexOf(e) === -1) {
+            destination.push(e)
+        }
+    })
+    return destination
+}
 
+function mergeObject(target, source, optionsArgument) {
+    var destination = {}
+    if (isMergeableObject(target)) {
+        Object.keys(target).forEach(function (key) {
+            destination[key] = target[key]
+        })
+    }
+    Object.keys(source).forEach(function (key) {
+        if (!isMergeableObject(source[key]) || !target[key]) {
+            destination[key] = source[key]
+        } else {
+            destination[key] = deepmerge(target[key], source[key], optionsArgument)
+        }
+    })
+    return destination
+}
+
+function deepmerge(target, source, optionsArgument) {
+    var array = Array.isArray(source);
+    var options = optionsArgument || { arrayMerge: defaultArrayMerge }
+    var arrayMerge = options.arrayMerge || defaultArrayMerge
+
     if (array) {
         target = target || [];
-        dst = dst.concat(target);
-        src.forEach(function(e, i) {
-            if (typeof dst[i] === 'undefined') {
-                dst[i] = e;
-            } else if (isMergeableObject(e)) {
-                dst[i] = deepmerge(target[i], e);
-            } else if (target.indexOf(e) === -1) {
-                dst.push(e);
-            }
-        });
+        return arrayMerge(target, source, optionsArgument)
     } else {
-        if (isMergeableObject(target)) {
-            Object.keys(target).forEach(function (key) {
-                dst[key] = target[key];
-            })
-        }
-        Object.keys(src).forEach(function (key) {
-            if (!isMergeableObject(src[key])) {
-                dst[key] = src[key];
-            } else {
-                if (!target[key]) {
-                    dst[key] = src[key];
-                } else {
-                    dst[key] = deepmerge(target[key], src[key]);
-                }
-            }
-        });
+        return mergeObject(target, source, optionsArgument)
     }
-
-    return dst;
 }
 
+return deepmerge
+
 }));

package.json

@@ -13,3 +13,3 @@ {
   ],
-  "version": "1.0.3",
+  "version": "1.1.0",
   "homepage": "https://github.com/KyleAMathews/deepmerge",
@@ -22,3 +22,3 @@ "repository": {
   "engines": {
-    "node": ">=0.4.0"
+    "node": ">=0.10.0"
   },
@@ -25,0 +25,0 @@ "scripts": {

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Improved metrics

Total package byte prevSize

14970

increased by14.77%

Number of package files

10

increased by11.11%

Lines of code

354

increased by13.83%

Number of lines in readme file

76

increased by10.14%

No dependency changes