63 lines
772 B
JavaScript
63 lines
772 B
JavaScript
var key, x, y, z; // impure
|
|
|
|
key = 1;
|
|
|
|
var _key = key++,
|
|
{
|
|
[_key]: {
|
|
y
|
|
}
|
|
} = {
|
|
1: {
|
|
a: 1,
|
|
y: 1
|
|
}
|
|
},
|
|
x = babelHelpers.objectWithoutProperties({
|
|
1: {
|
|
a: 1,
|
|
y: 1
|
|
}
|
|
}[_key], ["y"]);
|
|
|
|
expect(x).toEqual({
|
|
a: 1
|
|
});
|
|
expect(key).toBe(2);
|
|
expect(y).toBe(1); // takes care of the order
|
|
|
|
key = 1;
|
|
|
|
var _$ = {
|
|
2: {
|
|
y: 2,
|
|
z: 3
|
|
},
|
|
3: {
|
|
y: 2,
|
|
z: 3
|
|
}
|
|
},
|
|
_key2 = ++key,
|
|
_key3 = ++key,
|
|
{
|
|
[_key3]: {
|
|
y
|
|
},
|
|
[_key2]: {
|
|
z
|
|
}
|
|
} = _$,
|
|
rest_y = babelHelpers.objectWithoutProperties(_$[_key3], ["y"]),
|
|
rest_z = babelHelpers.objectWithoutProperties(_$[_key2], ["z"]);
|
|
|
|
expect(y).toBe(2);
|
|
expect(rest_y).toEqual({
|
|
z: 3
|
|
});
|
|
expect(z).toBe(3);
|
|
expect(rest_z).toEqual({
|
|
y: 2
|
|
});
|
|
expect(key).toBe(3);
|