Add tests and update baselines

tests/baselines/reference/declarationEmitInferedTypeAlias1.js

@@ -0,0 +1,30 @@
+//// [tests/cases/compiler/declarationEmitInferedTypeAlias1.ts] ////
+
+//// [0.ts]
+
+{
+    type Data = string | boolean;
+    let obj: Data = true;
+}
+export { }
+
+//// [1.ts]
+let v = "str" || true;
+export { v }
+
+//// [0.js]
+"use strict";
+{
+    var obj = true;
+}
+//// [1.js]
+"use strict";
+var v = "str" || true;
+exports.v = v;
+
+
+//// [0.d.ts]
+export {  };
+//// [1.d.ts]
+declare let v: string | boolean;
+export { v };

tests/baselines/reference/declarationEmitInferedTypeAlias1.symbols

@@ -0,0 +1,19 @@
+=== tests/cases/compiler/0.ts ===
+
+{
+    type Data = string | boolean;
+>Data : Symbol(Data, Decl(0.ts, 1, 1))
+
+    let obj: Data = true;
+>obj : Symbol(obj, Decl(0.ts, 3, 7))
+>Data : Symbol(Data, Decl(0.ts, 1, 1))
+}
+export { }
+
+=== tests/cases/compiler/1.ts ===
+let v = "str" || true;
+>v : Symbol(v, Decl(1.ts, 0, 3))
+
+export { v }
+>v : Symbol(v, Decl(1.ts, 1, 8))
+

tests/baselines/reference/declarationEmitInferedTypeAlias1.types

@@ -0,0 +1,23 @@
+=== tests/cases/compiler/0.ts ===
+
+{
+    type Data = string | boolean;
+>Data : Data
+
+    let obj: Data = true;
+>obj : Data
+>Data : Data
+>true : true
+}
+export { }
+
+=== tests/cases/compiler/1.ts ===
+let v = "str" || true;
+>v : Data
+>"str" || true : Data
+>"str" : string
+>true : boolean
+
+export { v }
+>v : Data
+

tests/baselines/reference/stringLiteralTypesAndTuples01.js

@@ -38,5 +38,5 @@ function rawr(dino) {
 //// [stringLiteralTypesAndTuples01.d.ts]
 declare let hello: string, brave: string, newish: string, world: string;
 declare type RexOrRaptor = "t-rex" | "raptor";
-declare let im: "I'm", a: "a", dinosaur: RexOrRaptor;
+declare let im: "I'm", a: "a", dinosaur: "t-rex" | "raptor";
 declare function rawr(dino: RexOrRaptor): string;

tests/baselines/reference/stringLiteralTypesOverloads01.js

@@ -109,6 +109,6 @@ declare const boolean: "boolean";
 declare const stringOrNumber: "string" | "number";
 declare const stringOrBoolean: "string" | "boolean";
 declare const booleanOrNumber: "number" | "boolean";
-declare const stringOrBooleanOrNumber: PrimitiveName;
+declare const stringOrBooleanOrNumber: "string" | "number" | "boolean";
 declare namespace Consts2 {
 }

tests/cases/compiler/declarationEmitInferedTypeAlias1.ts

@@ -0,0 +1,13 @@
+// @declaration: true
+// @skipDefaultLibCheck: true
+
+// @Filename: 0.ts
+{
+    type Data = string | boolean;
+    let obj: Data = true;
+}
+export { }
+
+// @Filename: 1.ts
+let v = "str" || true;
+export { v }