nodejs object_to_json

rootfs_overlay/lkmc/nodejs/object_to_json.js

@@ -0,0 +1,47 @@
+#!/usr/bin/env node
+
+// https://cirosantilli.com/linux-kernel-module-cheat#node-js
+
+class MyClassSub {
+  constructor(a, b) {
+    this.a = a;
+    this.b = b;
+  }
+}
+
+class MyClass {
+  constructor(a, b, sub) {
+    this.a = a;
+    this.b = b;
+    this.sub = sub;
+  }
+}
+
+console.log(JSON.stringify(new MyClass(1, 2, new MyClassSub(3, 4))));
+
+class MyClassCustomSub {
+  constructor(a, b) {
+    this.a = a;
+    this.b = b;
+  }
+  toJSON() {
+    return {
+      a: this.a,
+    }
+  }
+}
+
+class MyClassCustom {
+  constructor(a, b, sub) {
+    this.a = a;
+    this.sub = sub;
+  }
+  toJSON() {
+    return {
+      a: this.a,
+      sub: this.sub,
+    }
+  }
+}
+
+console.log(JSON.stringify(new MyClassCustom(1, 2, new MyClassCustomSub(3, 4))));