fix: do not transform relative paths

sauce: https://www.typescriptlang.org/docs/handbook/module-resolution.html#module-resolution-strategies

issue: #30

Author: danielpza

src/index.ts

@@ -34,6 +34,10 @@ const transformer = (_: ts.Program) => (context: ts.TransformationContext) => (
   }
 
   function bindModuleToFile(moduleName: string) {
+    if (moduleName[0] === ".") {
+      // if it's relative path do not transform
+      return moduleName;
+    }
     for (const { regexp, path } of binds) {
       const match = regexp.exec(moduleName);
       if (match) {

tests/__fixtures/core/index.ts

@@ -5,7 +5,11 @@ import { subs, NoRuntimecodeHere } from "@utils";
 import "@circular/b";
 import { A } from "@circular/a";
 import * as path from "path";
+import * as b from "circular/a";
+import * as c from "../circular/a";
 
+c.A;
+b.A;
 path.sep;
 
 sum.sum(2, 3);

tests/__fixtures/tsconfig.json

@@ -9,7 +9,8 @@
     "baseUrl": "./",
     "paths": {
       "path": ["https://external.url/path.js"],
-      "@*": ["*"]
+      "@*": ["*"],
+      "*": ["*"]
     },
 
     "esModuleInterop": true,

tests/index.ts

@@ -21,7 +21,8 @@ function update(content: string, sourceDir: string) {
     .replace(/"(@.*)"/g, (_, moduleName) => {
       return `"${bindModuleToFile(moduleName, sourceDir)}"`;
     })
-    .replace('"path"', '"https://external.url/path.js"');
+    .replace('"path"', '"https://external.url/path.js"')
+    .replace('"circular/a"', '"../circular/a"');
 }
 
 function bindModuleToFile(moduleName: string, sourceDir: string) {