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exec.js
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exec.js
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function dec(get, context) {
context.addInitializer(function() {
this[context.name + 'Context'] = context;
});
return function () {
return get.call(this) + 1;
}
}
class Foo {
value = 1;
@dec
get a() {
return this.value;
}
@dec
get ['b']() {
return this.value;
}
}
let foo = new Foo();
const aContext = foo['aContext'];
const bContext = foo['bContext'];
expect(foo.a).toBe(2);
expect(foo.b).toBe(2);
expect(aContext.access.get.call(foo)).toBe(2);
expect(bContext.access.get.call(foo)).toBe(2);
foo.value = 123;
expect(foo.a).toBe(124);
expect(foo.b).toBe(124);
expect(aContext.access.get.call(foo)).toBe(124);
expect(bContext.access.get.call(foo)).toBe(124);
expect(aContext.name).toBe('a');
expect(aContext.kind).toBe('getter');
expect(aContext.static).toBe(false);
expect(aContext.private).toBe(false);
expect(typeof aContext.addInitializer).toBe('function');
expect(typeof aContext.setMetadata).toBe('function');
expect(typeof aContext.getMetadata).toBe('function');
expect(bContext.name).toBe('b');
expect(bContext.kind).toBe('getter');
expect(bContext.static).toBe(false);
expect(bContext.private).toBe(false);
expect(typeof bContext.addInitializer).toBe('function');
expect(typeof bContext.setMetadata).toBe('function');
expect(typeof bContext.getMetadata).toBe('function');