prettier/tests/flow/structural_subtyping/obj.js

21 lines
445 B
JavaScript

/**
* @flow
*/
interface IHasXString {
x: string;
}
var propTest1: IHasXString = { x: 'hello' };
var propTest2: IHasXString = { x: 123 }; // Error string != number
var propTest3: IHasXString = {}; // Property not found
var propTest4: IHasXString = ({}: Object);
function propTest5(y: {[key: string]: string}) {
(y: IHasXString); // OK
}
function propTest6(y: {[key: string]: number}) {
(y: IHasXString); // error: string != number
}