TypeScript/tests/cases/fourslash/referencesForContextuallyTypedUnionProperties2.ts
2019-06-13 12:41:21 -07:00

38 lines
1.6 KiB
TypeScript

/// <reference path='fourslash.ts'/>
////interface A {
//// a: number;
//// common: string;
////}
////
////interface B {
//// [|[|{| "isDefinition": true, "contextRangeIndex": 0 |}b|]: number;|]
//// common: number;
////}
////
////// Assignment
////var v1: A | B = { a: 0, common: "" };
////var v2: A | B = { [|[|{| "isWriteAccess": true, "isDefinition": true, "type": "number", "contextRangeIndex": 2 |}b|]: 0|], common: 3 };
////
////// Function call
////function consumer(f: A | B) { }
////consumer({ a: 0, [|[|{| "isWriteAccess": true, "isDefinition": true, "type": "number", "contextRangeIndex": 4 |}b|]: 0|], common: 1 });
////
////// Type cast
////var c = <A | B> { common: 0, [|[|{| "isWriteAccess": true, "isDefinition": true, "type": "number", "contextRangeIndex": 6 |}b|]: 0|] };
////
////// Array literal
////var ar: Array<A|B> = [{ a: 0, common: "" }, { [|[|{| "isWriteAccess": true, "isDefinition": true, "type": "number", "contextRangeIndex": 8 |}b|]: 0|], common: 0 }];
////
////// Nested object literal
////var ob: { aorb: A|B } = { aorb: { [|[|{| "isWriteAccess": true, "isDefinition": true, "type": "number", "contextRangeIndex": 10 |}b|]: 0|], common: 0 } };
////
////// Widened type
////var w: A|B = { [|[|{| "isWriteAccess": true, "isDefinition": true, "type": "undefined", "contextRangeIndex": 12 |}b|]:undefined|], common: undefined };
////
////// Untped -- should not be included
////var u1 = { a: 0, b: 0, common: "" };
////var u2 = { b: 0, common: 0 };
verify.singleReferenceGroup("(property) B.b: number", "b");