/
genericIsNeverEmptyObject.js
43 lines (39 loc) · 1.36 KB
/
genericIsNeverEmptyObject.js
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//// [genericIsNeverEmptyObject.ts]
// Repro from #29067
function test<T extends { a: string }>(obj: T) {
let { a, ...rest } = obj;
return { ...rest, b: a };
}
let o1 = { a: 'hello', x: 42 };
let o2: { b: string, x: number } = test(o1);
//// [genericIsNeverEmptyObject.js]
"use strict";
// Repro from #29067
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __rest = (this && this.__rest) || function (s, e) {
var t = {};
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
t[p] = s[p];
if (s != null && typeof Object.getOwnPropertySymbols === "function")
for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))
t[p[i]] = s[p[i]];
}
return t;
};
function test(obj) {
var a = obj.a, rest = __rest(obj, ["a"]);
return __assign({}, rest, { b: a });
}
var o1 = { a: 'hello', x: 42 };
var o2 = test(o1);