Object-getOwnPrivateProperties.js

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// private fields

var g = newGlobal({ newCompartment: true });

var dbg = Debugger();

var gobj = dbg.addDebuggee(g);

g.eval(`

class MyClass {

    constructor() {

        this.publicProperty = 1;

        this.publicSymbol = Symbol("public");

        this[this.publicSymbol] = 2;

        this.#privateProperty1 = 3;

        this.#privateProperty2 = 4;

    static #privateStatic1

    static #privateStatic2

    #privateProperty1

    #privateProperty2

    #privateMethod() {}

    publicMethod(){}

obj = new MyClass();

klass = MyClass`);

var privatePropertiesSymbolsDescriptions = gobj

  .getOwnPropertyDescriptor("obj")

  .value.getOwnPrivateProperties()

  .map(sym => sym.description);

assertEq(

  JSON.stringify(privatePropertiesSymbolsDescriptions),

  JSON.stringify([`#privateProperty1`, `#privateProperty2`])

);

var classPrivatePropertiesSymbolsDescriptions = gobj

  .getOwnPropertyDescriptor("klass")

  .value.getOwnPrivateProperties()

  .map(sym => sym.description);

assertEq(

  JSON.stringify(classPrivatePropertiesSymbolsDescriptions),

  JSON.stringify([`#privateStatic1`, `#privateStatic2`])

);