2018-03-24 16:22:20 +05:30

53 lines
920 B
JavaScript

const a = {
"3": "three",
"foo": "bar"
};
const {
[3]: omit
} = a,
rest = babelHelpers.objectWithoutProperties(a, ["3"]);
expect(rest).toEqual({
"foo": "bar"
});
expect(omit).toBe("three");
const [k1, k2, k3, k4, k5] = [null, undefined, true, false, {
toString() {
return "warrior";
}
}];
const c = {
[k1]: "1",
[k2]: "2",
[k3]: "3",
[k4]: "4",
[k5]: "5"
};
const {
[k1]: v1,
[k2]: v2,
[k3]: v3,
[k4]: v4,
[k5]: v5
} = c,
vrest = babelHelpers.objectWithoutProperties(c, [k1, k2, k3, k4, k5].map(babelHelpers.toPropertyKey));
expect(v1).toBe("1");
expect(v2).toBe("2");
expect(v3).toBe("3");
expect(v4).toBe("4");
expect(v5).toBe("5");
expect(vrest).toEqual({}); // shouldn't convert symbols to strings
const sx = Symbol();
const sy = Symbol();
const d = {
[sx]: "sx",
[sy]: "sy"
};
const {
[sx]: dx,
[sy]: dy
} = d;
expect(dx).toBe("sx");
expect(dy).toBe("sy");