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tests/cases/compiler/objectLiteralExcessProperties.ts(9,18): error TS2322: Type '{ forword: string; }' is not assignable to type 'Book'.
Object literal may only specify known properties, and 'forword' does not exist in type 'Book'.
tests/cases/compiler/objectLiteralExcessProperties.ts(11,27): error TS2322: Type '{ foreward: string; }' is not assignable to type 'string | Book'.
Object literal may only specify known properties, and 'foreward' does not exist in type 'string | Book'.
tests/cases/compiler/objectLiteralExcessProperties.ts(13,53): error TS2322: Type '({ foreword: string; } | { forwards: string; })[]' is not assignable to type 'Book | Book[]'.
Type '({ foreword: string; } | { forwards: string; })[]' is not assignable to type 'Book[]'.
Type '{ foreword: string; } | { forwards: string; }' is not assignable to type 'Book'.
Type '{ forwards: string; }' is not assignable to type 'Book'.
Object literal may only specify known properties, and 'forwards' does not exist in type 'Book'.
tests/cases/compiler/objectLiteralExcessProperties.ts(15,42): error TS2322: Type '{ foreword: string; colour: string; }' is not assignable to type 'Book & Cover'.
Object literal may only specify known properties, and 'colour' does not exist in type 'Book & Cover'.
tests/cases/compiler/objectLiteralExcessProperties.ts(17,26): error TS2322: Type '{ foreward: string; color: string; }' is not assignable to type 'Book & Cover'.
Object literal may only specify known properties, and 'foreward' does not exist in type 'Book & Cover'.
tests/cases/compiler/objectLiteralExcessProperties.ts(19,57): error TS2322: Type '{ foreword: string; color: string; price: number; }' is not assignable to type 'Book & Cover'.
Object literal may only specify known properties, and 'price' does not exist in type 'Book & Cover'.
tests/cases/compiler/objectLiteralExcessProperties.ts(21,43): error TS2322: Type '{ foreword: string; price: number; }' is not assignable to type 'Book & number'.
Object literal may only specify known properties, and 'price' does not exist in type 'Book & number'.
tests/cases/compiler/objectLiteralExcessProperties.ts(23,29): error TS2322: Type '{ couleur: string; }' is not assignable to type 'Cover | Cover[]'.
Object literal may only specify known properties, and 'couleur' does not exist in type 'Cover | Cover[]'.
tests/cases/compiler/objectLiteralExcessProperties.ts(25,27): error TS2322: Type '{ forewarned: string; }' is not assignable to type 'Book | Book[]'.
Object literal may only specify known properties, and 'forewarned' does not exist in type 'Book | Book[]'.
tests/cases/compiler/objectLiteralExcessProperties.ts(33,27): error TS2322: Type '{ 0: { colour: string; }; }' is not assignable to type 'Indexed'.
Property '0' is incompatible with index signature.
Type '{ colour: string; }' is not assignable to type 'Cover'.
Object literal may only specify known properties, and 'colour' does not exist in type 'Cover'.
==== tests/cases/compiler/objectLiteralExcessProperties.ts (10 errors) ====
interface Book {
foreword: string;
}
interface Cover {
color?: string;
}
var b1: Book = { forword: "oops" };
~~~~~~~~~~~~~~~
!!! error TS2322: Type '{ forword: string; }' is not assignable to type 'Book'.
!!! error TS2322: Object literal may only specify known properties, and 'forword' does not exist in type 'Book'.
var b2: Book | string = { foreward: "nope" };
~~~~~~~~~~~~~~~~
!!! error TS2322: Type '{ foreward: string; }' is not assignable to type 'string | Book'.
!!! error TS2322: Object literal may only specify known properties, and 'foreward' does not exist in type 'string | Book'.
var b3: Book | (Book[]) = [{ foreword: "hello" }, { forwards: "back" }];
~~~~~~~~~~~~~~~~
!!! error TS2322: Type '({ foreword: string; } | { forwards: string; })[]' is not assignable to type 'Book | Book[]'.
!!! error TS2322: Type '({ foreword: string; } | { forwards: string; })[]' is not assignable to type 'Book[]'.
!!! error TS2322: Type '{ foreword: string; } | { forwards: string; }' is not assignable to type 'Book'.
!!! error TS2322: Type '{ forwards: string; }' is not assignable to type 'Book'.
!!! error TS2322: Object literal may only specify known properties, and 'forwards' does not exist in type 'Book'.
var b4: Book & Cover = { foreword: "hi", colour: "blue" };
~~~~~~~~~~~~~~
!!! error TS2322: Type '{ foreword: string; colour: string; }' is not assignable to type 'Book & Cover'.
!!! error TS2322: Object literal may only specify known properties, and 'colour' does not exist in type 'Book & Cover'.
var b5: Book & Cover = { foreward: "hi", color: "blue" };
~~~~~~~~~~~~~~
!!! error TS2322: Type '{ foreward: string; color: string; }' is not assignable to type 'Book & Cover'.
!!! error TS2322: Object literal may only specify known properties, and 'foreward' does not exist in type 'Book & Cover'.
var b6: Book & Cover = { foreword: "hi", color: "blue", price: 10.99 };
~~~~~~~~~~~~
!!! error TS2322: Type '{ foreword: string; color: string; price: number; }' is not assignable to type 'Book & Cover'.
!!! error TS2322: Object literal may only specify known properties, and 'price' does not exist in type 'Book & Cover'.
var b7: Book & number = { foreword: "hi", price: 10.99 };
~~~~~~~~~~~~
!!! error TS2322: Type '{ foreword: string; price: number; }' is not assignable to type 'Book & number'.
!!! error TS2322: Object literal may only specify known properties, and 'price' does not exist in type 'Book & number'.
var b8: Cover | Cover[] = { couleur : "non" };
~~~~~~~~~~~~~~~
!!! error TS2322: Type '{ couleur: string; }' is not assignable to type 'Cover | Cover[]'.
!!! error TS2322: Object literal may only specify known properties, and 'couleur' does not exist in type 'Cover | Cover[]'.
var b9: Book | Book[] = { forewarned: "still no" };
~~~~~~~~~~~~~~~~~~~~~~
!!! error TS2322: Type '{ forewarned: string; }' is not assignable to type 'Book | Book[]'.
!!! error TS2322: Object literal may only specify known properties, and 'forewarned' does not exist in type 'Book | Book[]'.
interface Indexed {
[n: number]: Cover;
}
var b10: Indexed = { 0: { }, '1': { } }; // ok
var b11: Indexed = { 0: { colour: "blue" } }; // nested object literal still errors
~~~~~~~~~~~~~~
!!! error TS2322: Type '{ 0: { colour: string; }; }' is not assignable to type 'Indexed'.
!!! error TS2322: Property '0' is incompatible with index signature.
!!! error TS2322: Type '{ colour: string; }' is not assignable to type 'Cover'.
!!! error TS2322: Object literal may only specify known properties, and 'colour' does not exist in type 'Cover'.
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