//// [privateNameMethodClassExpression.ts] const C = class { #field = this.#method(); #method() { return 42; } static getInstance() { return new C(); } getField() { return this.#field }; } console.log(C.getInstance().getField()); C.getInstance().#method; // Error C.getInstance().#field; // Error //// [privateNameMethodClassExpression.js] var __classPrivateFieldGet = (this && this.__classPrivateFieldGet) || function (receiver, state, kind, f) { if (kind === "a" && !f) throw new TypeError("Private accessor was defined without a getter"); if (typeof state === "function" ? receiver !== state || !f : !state.has(receiver)) throw new TypeError("Cannot read private member from an object whose class did not declare it"); return kind === "m" ? f : kind === "a" ? f.call(receiver) : f ? f.value : state.get(receiver); }; var _C_instances, _C_field, _C_method, _a; const C = (_a = class { constructor() { _C_instances.add(this); _C_field.set(this, __classPrivateFieldGet(this, _C_instances, "m", _C_method).call(this)); } static getInstance() { return new C(); } getField() { return __classPrivateFieldGet(this, _C_field, "f"); } ; }, _C_field = new WeakMap(), _C_instances = new WeakSet(), _C_method = function _C_method() { return 42; }, _a); console.log(C.getInstance().getField()); C.getInstance().; // Error C.getInstance().; // Error