Ujjwal Sharma 2ac49ba7c4
add support for logical assignments with private properties (#11702)
* add support for logical assignments with private properties

Patches the logic for handling assignment operators and adds support for
handling the logical assignment operators appropriately.

Fixes: https://github.com/babel/babel/issues/11646

* replace hardcoded logical assignment operators with constant

Replace a hardcoded check for logical assignment operators with the
LOGICAL_OPERATORS constant in
plugin-proposal-logical-assignment-operators.

Refs: https://github.com/babel/babel/pull/11702#discussion_r438554423
2020-07-30 14:10:16 -04:00

43 lines
1.4 KiB
JavaScript

function _classPrivateFieldSet(receiver, privateMap, value) { var descriptor = privateMap.get(receiver); if (!descriptor) { throw new TypeError("attempted to set private field on non-instance"); } if (descriptor.set) { descriptor.set.call(receiver, value); } else { if (!descriptor.writable) { throw new TypeError("attempted to set read only private field"); } descriptor.value = value; } return value; }
function _classPrivateFieldGet(receiver, privateMap) { var descriptor = privateMap.get(receiver); if (!descriptor) { throw new TypeError("attempted to get private field on non-instance"); } if (descriptor.get) { return descriptor.get.call(receiver); } return descriptor.value; }
var _nullish = new WeakMap();
var _and = new WeakMap();
var _or = new WeakMap();
class Foo {
constructor() {
_nullish.set(this, {
writable: true,
value: 0
});
_and.set(this, {
writable: true,
value: 0
});
_or.set(this, {
writable: true,
value: 0
});
}
self() {
return this;
}
test() {
var _this$self;
_classPrivateFieldGet(this, _nullish) ?? _classPrivateFieldSet(this, _nullish, 42);
_classPrivateFieldGet(this, _and) && _classPrivateFieldSet(this, _and, 0);
_classPrivateFieldGet(this, _or) || _classPrivateFieldSet(this, _or, 0);
_classPrivateFieldGet(_this$self = this.self(), _nullish) ?? _classPrivateFieldSet(_this$self, _nullish, 42);
}
}