mobx-keystone - npm Package Compare versions

Comparing version 0.60.1 to 0.60.2

CHANGELOG.md

 # Change Log
 
+## 0.60.2
+
+- Added `swap` to array actions.
+
 ## 0.60.1
@@ -4,0 +8,0 @@

dist/standardActions/arrayActions.d.ts

@@ -16,3 +16,4 @@ export declare const arrayActions: {
     unshift: <T_14>(array: T_14[], ...items: T_14[]) => number;
-    create: <T_15>(data: T_15[]) => T_15[];
+    swap: <T_15>(array: T_15[], index1: number, index2: number) => boolean;
+    create: <T_16>(data: T_16[]) => T_16[];
 };

package.json

 {
   "name": "mobx-keystone",
-  "version": "0.60.1",
+  "version": "0.60.2",
   "description": "A MobX powered state management solution based on data trees with first class support for Typescript, snapshots, patches and much more",
@@ -5,0 +5,0 @@ "keywords": [

src/standardActions/arrayActions.ts

@@ -88,3 +88,22 @@ import { remove, set } from "mobx"
 
+  swap: standaloneAction(
+    `${namespace}::swap`,
+    <T>(array: T[], index1: number, index2: number): boolean => {
+      if (index1 < 0 || index2 < 0 || index1 >= array.length || index2 >= array.length) {
+        return false
+      }
+      if (index2 < index1) {
+        ;[index1, index2] = [index2, index1]
+      }
+      // since a same node cannot be in two places at once we will remove
+      // both then reinsert them
+      const [v1] = array.splice(index1, 1)
+      const [v2] = array.splice(index2 - 1, 1)
+      array.splice(index1, 0, v2)
+      array.splice(index2, 0, v1)
+      return true
+    }
+  ),
+
   create: <T>(data: T[]): T[] => toTreeNode(data),
 }

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Improved metrics

Total package byte prevSize

4001411

increased by0.19%

Lines of code

58196

increased by0.16%

No dependency changes