TypeScript/tests/baselines/reference/discriminatedUnionJsxElement.js
Anders Hejlsberg 8718df3dc1
Fix stack overflow in JSX discriminated union logic (#46354)
* Use getContextFreeTypeOfExpression to avoid circularities

* Add regression test
2021-10-14 10:11:44 -07:00

58 lines
1.7 KiB
TypeScript

//// [discriminatedUnionJsxElement.tsx]
// Repro from #46021
interface IData<MenuItemVariant extends ListItemVariant = ListItemVariant.OneLine> {
menuItemsVariant?: MenuItemVariant;
}
function Menu<MenuItemVariant extends ListItemVariant = ListItemVariant.OneLine>(data: IData<MenuItemVariant>) {
const listItemVariant = data.menuItemsVariant ?? ListItemVariant.OneLine;
return <ListItem variant={listItemVariant} />;
}
type IListItemData = { variant: ListItemVariant.Avatar; } | { variant: ListItemVariant.OneLine; };
enum ListItemVariant {
OneLine,
Avatar,
}
function ListItem(_data: IListItemData) {
return null;
}
//// [discriminatedUnionJsxElement.jsx]
"use strict";
// Repro from #46021
function Menu(data) {
var _a;
var listItemVariant = (_a = data.menuItemsVariant) !== null && _a !== void 0 ? _a : ListItemVariant.OneLine;
return <ListItem variant={listItemVariant}/>;
}
var ListItemVariant;
(function (ListItemVariant) {
ListItemVariant[ListItemVariant["OneLine"] = 0] = "OneLine";
ListItemVariant[ListItemVariant["Avatar"] = 1] = "Avatar";
})(ListItemVariant || (ListItemVariant = {}));
function ListItem(_data) {
return null;
}
//// [discriminatedUnionJsxElement.d.ts]
interface IData<MenuItemVariant extends ListItemVariant = ListItemVariant.OneLine> {
menuItemsVariant?: MenuItemVariant;
}
declare function Menu<MenuItemVariant extends ListItemVariant = ListItemVariant.OneLine>(data: IData<MenuItemVariant>): any;
declare type IListItemData = {
variant: ListItemVariant.Avatar;
} | {
variant: ListItemVariant.OneLine;
};
declare enum ListItemVariant {
OneLine = 0,
Avatar = 1
}
declare function ListItem(_data: IListItemData): null;