treat empty objects as matching objects

Author: grische

json-to-go.js

@@ -156,6 +156,14 @@ function jsonToGo(json, typename, flatten = true, example = false, allOmitempty
 										continue;
 									}
 
+									// if both one of the two objects is empty assume they are identical
+									if (currentKeys.length == 0 && existingKeys.length > 0 ||
+										currentKeys.length > 0 && existingKeys.length == 0) {
+										allFields[keyname].count++;
+										insideOmitEmpty = true // as the whole object is empty, all nested elements are omitempty
+										continue;
+									}
+
 									const comparisonResult = compareObjectKeys(
 										Object.keys(currentValue),
 										Object.keys(existingValue)

json-to-go.test.js

@@ -164,6 +164,7 @@ function testFiles() {
     "double-nested-objects",
     "array-with-nonmatching-types",
     "array-with-mergable-objects",
+    "array-with-mergable-empty-object",
   ];
 
   for (const testCase of testCases) {

tests/array-with-mergable-empty-object.go

@@ -0,0 +1,14 @@
+type AutoGenerated struct {
+	Booleanfield bool `json:"booleanfield"`
+	Somearray []Somearray `json:"somearray"`
+	Date string `json:"date"`
+}
+type Features struct {
+	Age int `json:"age,omitempty"`
+	Height int `json:"height,omitempty"`
+}
+type Somearray struct {
+	ID int `json:"id"`
+	Name string `json:"name"`
+	Features Features `json:"features"`
+}

tests/array-with-mergable-empty-object.json

@@ -0,0 +1,19 @@
+{
+	"booleanfield": true,
+	"somearray": [
+		{
+			"id": 1,
+			"name": "John Doe",
+			"features": {
+				"age": 49,
+				"height": 175
+			}
+		},
+		{
+			"id": 3,
+			"name": "John Doe",
+			"features": {}
+		}
+	],
+	"date": "2024-07-24"
+}