small changes

Author: Josema

.prettierrc

@@ -0,0 +1,7 @@
+{
+    "printWidth": 80,
+    "tabWidth": 4,
+    "semi": false,
+    "singleQuote": true,
+    "bracketSpacing": true
+}

package.json

@@ -60,12 +60,5 @@
         "require": [
             "esm"
         ]
-    },
-    "prettier": {
-        "printWidth": 80,
-        "tabWidth": 4,
-        "semi": false,
-        "singleQuote": true,
-        "bracketSpacing": true
     }
 }

test/applyPatch.js

@@ -601,20 +601,14 @@ test('checking different types and mutating multiple deep values', function (t)
 // Inner arrays
 // Inner arrays
 
-test('changing length of array', function (t) {
-    const target = { objarr: [0, 1] }
-    const patch = { objarr: { length: 4 } }
-    const expected = { objarr: [0, 1, undefined, undefined] }
-
-    testPatchUnpatch(t, target, patch, expected)
-})
-
 test('adding item to array ', function (t) {
     const target = { objarr: [0, 1] }
     const patch = { objarr: { 3: { hello: 'world' } } }
     const expected = { objarr: [0, 1, undefined, { hello: 'world' }] }
 
-    testPatchUnpatch(t, target, patch, expected)
+    const { mutations } = testPatchUnpatch(t, target, patch, expected)
+    t.is(mutations.length, 2)
+    t.is(mutations[1].prop, 'length')
 })
 
 test('adding multiple item to array ', function (t) {
@@ -625,6 +619,14 @@ test('adding multiple item to array ', function (t) {
     testPatchUnpatch(t, target, patch, expected)
 })
 
+test('changing length of array', function (t) {
+    const target = { objarr: [0, 1] }
+    const patch = { objarr: { length: 4 } }
+    const expected = { objarr: [0, 1, undefined, undefined] }
+
+    testPatchUnpatch(t, target, patch, expected)
+})
+
 test('editing length of array and also adding extra values', function (t) {
     const target = { objarr: [0, 1] }
     const patch = { objarr: { 3: 3, length: 5 } }