TypeScript/tests/cases/conformance/salsa/expandoOnAlias.ts

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// @allowJs: true
// @checkJs: true
// @declaration: true
// @emitDeclarationOnly: true
// @Filename: vue.js
export class Vue {}
export const config = { x: 0 };
// @Filename: test.js
import { Vue, config } from "./vue";
// Expando declarations aren't allowed on aliases.
Vue.config = {};
new Vue();
// This is not an expando declaration; it's just a plain property assignment.
config.x = 1;
// This is not an expando declaration; it works because non-strict JS allows
// loosey goosey assignment on objects.
config.y = {};
config.x;
config.y;