fix(store): copy indent from next item after moving

list-editor/spec/store.spec.js

@@ -189,4 +189,30 @@ describe("A store", function () {
             expect(store.debug().idList).toEqual(["_a", "_c", "_b", "_d"])
         })
     })
+
+    describe("contains a moveBefore method which handles indentation", function () {
+        let store
+
+        beforeEach(function () {
+            store = createStore([
+                {text: "a", id: "_a", indented: 0},
+                {text: "b", id: "_b", indented: 1},
+                {text: "c", id: "_c", indented: 2},
+                {text: "d", id: "_d", indented: 3},
+                {text: "e", id: "_e", indented: 0},
+            ])
+        })
+        it("moveBefore _e, _c", function () {
+            store.moveBefore("_e", "_c")
+            let debug = store.debug();
+            expect(debug.idList).toEqual(["_a", "_b", "_e", "_c", "_d"])
+            expect(debug.result).toEqual([
+                {text: "a", id: "_a", indented: 0},
+                {text: "b", id: "_b", indented: 1},
+                {text: "e", id: "_e", indented: 2},
+                {text: "c", id: "_c", indented: 2},
+                {text: "d", id: "_d", indented: 3},
+            ])
+        })
+    })
 })

list-editor/store.js

@@ -301,6 +301,12 @@ function Store(inputData) {
             rotate(idList, toIndex, fromIndex + n, fromIndex - toIndex)
             changed = true
         }
+
+        // Copy indent from the next item, or 0 when at the end
+        const v = value(to)
+        if (v) value(from).indented = v.indented
+        else value(from).indented = 0
+
         return [index(from), n]
     }