swc/tests/fixture/issue-1278/output/index.ts
Donny/강동윤 26944e159d
fix(es/transforms/base): Reimplement hygiene (#2408)
swc_ecma_transforms_base:
 - Reimplement `hygiene`.
2021-10-21 05:12:50 +00:00

56 lines
1.9 KiB
TypeScript

"use strict";
function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {
var desc = {
};
Object.keys(descriptor).forEach(function(key) {
desc[key] = descriptor[key];
});
desc.enumerable = !!desc.enumerable;
desc.configurable = !!desc.configurable;
if ("value" in desc || desc.initializer) {
desc.writable = true;
}
desc = decorators.slice().reverse().reduce(function(desc, decorator) {
return decorator ? decorator(target, property, desc) || desc : desc;
}, desc);
if (context && desc.initializer !== void 0) {
desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
desc.initializer = undefined;
}
if (desc.initializer === void 0) {
Object.defineProperty(target, property, desc);
desc = null;
}
return desc;
}
function _initializerDefineProperty(target, property, descriptor, context) {
if (!descriptor) return;
Object.defineProperty(target, property, {
enumerable: descriptor.enumerable,
configurable: descriptor.configurable,
writable: descriptor.writable,
value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
});
}
var _class, _descriptor, _dec, _dec1;
function MyDecorator(klass) {
return ()=>{
// do something
console.log(klass);
};
}
let MyClass = ((_class = class MyClass {
constructor(){
_initializerDefineProperty(this, "prop", _descriptor, this);
}
}) || _class, _dec = MyDecorator(_class), _dec1 = typeof Reflect !== "undefined" && typeof Reflect.metadata === "function" && Reflect.metadata("design:type", String), _descriptor = _applyDecoratedDescriptor(_class.prototype, "prop", [
_dec,
_dec1
], {
configurable: true,
enumerable: true,
writable: true,
initializer: void 0
}), _class);
console.log(new MyClass());