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=== tests/cases/compiler/objectLiteralExcessProperties.ts ===
interface Book {
foreword: string;
>foreword : string
}
interface Cover {
color?: string;
>color : string
}
var b1: Book = { forword: "oops" };
>b1 : Book
>{ forword: "oops" } : { forword: string; }
>forword : string
>"oops" : "oops"
var b2: Book | string = { foreward: "nope" };
>b2 : string | Book
>{ foreward: "nope" } : { foreward: string; }
>foreward : string
>"nope" : "nope"
var b3: Book | (Book[]) = [{ foreword: "hello" }, { forwards: "back" }];
>b3 : Book | Book[]
>[{ foreword: "hello" }, { forwards: "back" }] : ({ foreword: string; } | { forwards: string; })[]
>{ foreword: "hello" } : { foreword: string; }
>foreword : string
>"hello" : "hello"
>{ forwards: "back" } : { forwards: string; }
>forwards : string
>"back" : "back"
var b4: Book & Cover = { foreword: "hi", colour: "blue" };
>b4 : Book & Cover
>{ foreword: "hi", colour: "blue" } : { foreword: string; colour: string; }
>foreword : string
>"hi" : "hi"
>colour : string
>"blue" : "blue"
var b5: Book & Cover = { foreward: "hi", color: "blue" };
>b5 : Book & Cover
>{ foreward: "hi", color: "blue" } : { foreward: string; color: string; }
>foreward : string
>"hi" : "hi"
>color : string
>"blue" : "blue"
var b6: Book & Cover = { foreword: "hi", color: "blue", price: 10.99 };
>b6 : Book & Cover
>{ foreword: "hi", color: "blue", price: 10.99 } : { foreword: string; color: string; price: number; }
>foreword : string
>"hi" : "hi"
>color : string
>"blue" : "blue"
>price : number
>10.99 : 10.99
var b7: Book & number = { foreword: "hi", price: 10.99 };
>b7 : Book & number
>{ foreword: "hi", price: 10.99 } : { foreword: string; price: number; }
>foreword : string
>"hi" : "hi"
>price : number
>10.99 : 10.99
var b8: Cover | Cover[] = { couleur : "non" };
>b8 : Cover | Cover[]
>{ couleur : "non" } : { couleur: string; }
>couleur : string
>"non" : "non"
var b9: Book | Book[] = { forewarned: "still no" };
>b9 : Book | Book[]
>{ forewarned: "still no" } : { forewarned: string; }
>forewarned : string
>"still no" : "still no"
interface Indexed {
[n: number]: Cover;
>n : number
}
var b10: Indexed = { 0: { }, '1': { } }; // ok
>b10 : Indexed
>{ 0: { }, '1': { } } : { 0: {}; '1': {}; }
>0 : {}
>{ } : {}
>'1' : {}
>{ } : {}
var b11: Indexed = { 0: { colour: "blue" } }; // nested object literal still errors
>b11 : Indexed
>{ 0: { colour: "blue" } } : { 0: { colour: string; }; }
>0 : { colour: string; }
>{ colour: "blue" } : { colour: string; }
>colour : string
>"blue" : "blue"
// Repros inspired by #28752
function test<T extends IFoo>() {
>test : <T extends any>() => void
// No excess property checks on generic types
const obj1: T = { name: "test" };
>obj1 : T
>{ name: "test" } : { name: string; }
>name : string
>"test" : "test"
// No excess property checks on intersections involving generics
const obj2: T & { prop: boolean } = { name: "test", prop: true };
>obj2 : T & { prop: boolean; }
>prop : boolean
>{ name: "test", prop: true } : { name: string; prop: boolean; }
>name : string
>"test" : "test"
>prop : boolean
>true : true
// Excess property checks only on non-generic parts of unions
const obj3: T | { prop: boolean } = { name: "test", prop: true };
>obj3 : T | { prop: boolean; }
>prop : boolean
>{ name: "test", prop: true } : { name: string; prop: boolean; }
>name : string
>"test" : "test"
>prop : boolean
>true : true
// Excess property checks only on non-generic parts of unions
const obj4: T & { prop: boolean } | { name: string } = { name: "test", prop: true };
>obj4 : { name: string; } | (T & { prop: boolean; })
>prop : boolean
>name : string
>{ name: "test", prop: true } : { name: string; prop: boolean; }
>name : string
>"test" : "test"
>prop : boolean
>true : true
// No excess property checks when union includes 'object' type
const obj5: object | { x: string } = { z: 'abc' }
>obj5 : object | { x: string; }
>x : string
>{ z: 'abc' } : { z: string; }
>z : string
>'abc' : "abc"
// The 'object' type has no effect on intersections
const obj6: object & { x: string } = { z: 'abc' }
>obj6 : object & { x: string; }
>x : string
>{ z: 'abc' } : { z: string; }
>z : string
>'abc' : "abc"
}
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