Treat "." and ".." as relative module names

tests/baselines/reference/relativeModuleWithoutSlash.js

@@ -0,0 +1,27 @@
+//// [tests/cases/compiler/relativeModuleWithoutSlash.ts] ////
+
+//// [index.ts]
+export default 0;
+
+//// [index.ts]
+export default 1;
+
+//// [a.ts]
+import parent from "..";
+import here from ".";
+parent + here;
+
+
+//// [index.js]
+"use strict";
+exports.__esModule = true;
+exports["default"] = 0;
+//// [index.js]
+"use strict";
+exports.__esModule = true;
+exports["default"] = 1;
+//// [a.js]
+"use strict";
+var __1 = require("..");
+var _1 = require(".");
+__1["default"] + _1["default"];

tests/baselines/reference/relativeModuleWithoutSlash.symbols

@@ -0,0 +1,17 @@
+=== tests/cases/compiler/index.ts ===
+export default 0;
+No type information for this code.
+No type information for this code.=== tests/cases/compiler/a/index.ts ===
+export default 1;
+No type information for this code.
+No type information for this code.=== tests/cases/compiler/a/a.ts ===
+import parent from "..";
+>parent : Symbol(parent, Decl(a.ts, 0, 6))
+
+import here from ".";
+>here : Symbol(here, Decl(a.ts, 1, 6))
+
+parent + here;
+>parent : Symbol(parent, Decl(a.ts, 0, 6))
+>here : Symbol(here, Decl(a.ts, 1, 6))
+

tests/baselines/reference/relativeModuleWithoutSlash.types

@@ -0,0 +1,18 @@
+=== tests/cases/compiler/index.ts ===
+export default 0;
+No type information for this code.
+No type information for this code.=== tests/cases/compiler/a/index.ts ===
+export default 1;
+No type information for this code.
+No type information for this code.=== tests/cases/compiler/a/a.ts ===
+import parent from "..";
+>parent : number
+
+import here from ".";
+>here : number
+
+parent + here;
+>parent + here : number
+>parent : number
+>here : number
+

tests/cases/compiler/relativeModuleWithoutSlash.ts

@@ -0,0 +1,10 @@
+// @Filename: index.ts
+export default 0;
+
+// @Filename: a/index.ts
+export default 1;
+
+// @Filename: a/a.ts
+import parent from "..";
+import here from ".";
+parent + here;