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const obj1 = { x: false },
obj2 = { x: false };
function foo() {
if (Math.random() > 0.5) {
return function() {
return obj1;
};
}
return function() {
return obj2;
};
}
foo()().x = true;
if (!(obj1.x || obj2.x)) {
throw new Error('function reassignment not tracked');
}
const obj3 = { x: false },
obj4 = { x: false };
const bar = () => {
if (Math.random() > 0.5) {
return () => obj3;
}
return () => obj4;
};
bar()().x = true;
if (!(obj3.x || obj4.x)) {
throw new Error('arrow function reassignment not tracked');
}
|
