Felipe Armoni fdfe97879e
Disallow reinitializing private elements (#13601)
Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>
Co-authored-by: Justin Ridgewell <justin@ridgewell.name>
2021-08-30 12:44:38 +02:00

25 lines
388 B
JavaScript

class Base {
constructor(obj) {
return obj;
}
}
let counter = 0;
var _foo = /*#__PURE__*/new WeakMap();
class Derived extends Base {
constructor(...args) {
super(...args);
babelHelpers.classPrivateFieldInitSpec(this, _foo, {
writable: true,
value: ++counter
});
}
static get(obj) {
return babelHelpers.classPrivateFieldGet(obj, _foo);
}
}