Merge pull request #13900 from Microsoft/object-literal-freshness-with-spread
Object literal freshness errors with spreads
This commit is contained in:
commit
86661b5272
|
@ -13306,6 +13306,8 @@ namespace ts {
|
|||
if (spread.flags & TypeFlags.Object) {
|
||||
// only set the symbol and flags if this is a (fresh) object type
|
||||
spread.flags |= propagatedFlags;
|
||||
spread.flags |= TypeFlags.FreshLiteral;
|
||||
(spread as ObjectType).objectFlags |= ObjectFlags.ObjectLiteral;
|
||||
spread.symbol = node.symbol;
|
||||
}
|
||||
return spread;
|
||||
|
|
|
@ -0,0 +1,11 @@
|
|||
tests/cases/compiler/objectLiteralFreshnessWithSpread.ts(2,35): error TS2322: Type '{ z: number; b: number; extra: number; a: number; }' is not assignable to type '{ a: any; b: any; }'.
|
||||
Object literal may only specify known properties, and 'z' does not exist in type '{ a: any; b: any; }'.
|
||||
|
||||
|
||||
==== tests/cases/compiler/objectLiteralFreshnessWithSpread.ts (1 errors) ====
|
||||
let x = { b: 1, extra: 2 }
|
||||
let xx: { a, b } = { a: 1, ...x, z: 3 } // error for 'z', no error for 'extra'
|
||||
~~~~
|
||||
!!! error TS2322: Type '{ z: number; b: number; extra: number; a: number; }' is not assignable to type '{ a: any; b: any; }'.
|
||||
!!! error TS2322: Object literal may only specify known properties, and 'z' does not exist in type '{ a: any; b: any; }'.
|
||||
|
|
@ -0,0 +1,16 @@
|
|||
//// [objectLiteralFreshnessWithSpread.ts]
|
||||
let x = { b: 1, extra: 2 }
|
||||
let xx: { a, b } = { a: 1, ...x, z: 3 } // error for 'z', no error for 'extra'
|
||||
|
||||
|
||||
//// [objectLiteralFreshnessWithSpread.js]
|
||||
var __assign = (this && this.__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;
|
||||
};
|
||||
var x = { b: 1, extra: 2 };
|
||||
var xx = __assign({ a: 1 }, x, { z: 3 }); // error for 'z', no error for 'extra'
|
2
tests/cases/compiler/objectLiteralFreshnessWithSpread.ts
Normal file
2
tests/cases/compiler/objectLiteralFreshnessWithSpread.ts
Normal file
|
@ -0,0 +1,2 @@
|
|||
let x = { b: 1, extra: 2 }
|
||||
let xx: { a, b } = { a: 1, ...x, z: 3 } // error for 'z', no error for 'extra'
|
Loading…
Reference in a new issue