fix: type only import not deleted from result file

closes #9

Author: anion155

package-lock.json

@@ -27,7 +27,7 @@
     "build": "tsc",
     "prepare": "npm run build",
     "release": "standard-version",
-    "test": "ttsc -p tests/tsconfig.json && node tests/core/index.js"
+    "test": "ttsc -p tests/tsconfig.json && node tests/out/core/index.js"
   },
   "dependencies": {
     "slash": "^2.0.0"
@@ -37,6 +37,6 @@
     "@types/slash": "^2.0.0",
     "standard-version": "^4.4.0",
     "ttypescript": "^1.5.6",
-    "typescript": "^3.2.4"
+    "typescript": "^3.4.5"
   }
 }

package.json

@@ -19,7 +19,7 @@ const transformer = <T extends ts.Node>(_: ts.Program) => {
         if (match) {
           const out = path.resolve.replace(/\*/g, match[1]);
           const file = slash(relative(fileDir, resolve(baseUrl, out)));
-          return file;
+          return file[0] === "." ? file : `./${file}`;
         }
       }
       return null;
@@ -30,36 +30,14 @@ const transformer = <T extends ts.Node>(_: ts.Program) => {
         return ts.visitEachChild(node, visit, context);
       }
       if (
-        ts.isImportDeclaration(node) &&
-        ts.isStringLiteral(node.moduleSpecifier)
-      ) {
-        const file = findFileInPaths(node.moduleSpecifier.text);
-        if (file) {
-          return ts.updateImportDeclaration(
-            node,
-            node.decorators,
-            node.modifiers,
-            node.importClause,
-            // If it's in the same level or below add the ./
-            ts.createLiteral(file[0] === "." ? file : `./${file}`)
-          );
-        }
-      }
-      if (
-        ts.isExportDeclaration(node) &&
+        (ts.isImportDeclaration(node) || ts.isExportDeclaration(node)) &&
         node.moduleSpecifier &&
         ts.isStringLiteral(node.moduleSpecifier)
       ) {
         const file = findFileInPaths(node.moduleSpecifier.text);
         if (file) {
-          return ts.updateExportDeclaration(
-            node,
-            node.decorators,
-            node.modifiers,
-            node.exportClause,
-            // If it's in the same level or below add the ./
-            ts.createLiteral(file[0] === "." ? file : `./${file}`)
-          );
+          node.moduleSpecifier.text = file;
+          return node;
         }
       }
       return ts.visitEachChild(node, visit, context);

src/index.ts

@@ -0,0 +1,8 @@
+import { B } from "@circular/b";
+
+export class A {
+  constructor(public name: string) {}
+}
+
+export const b = new B();
+b.print(new A("This is a random name"));

tests/circular/a.ts

@@ -0,0 +1,7 @@
+import { A } from "@circular/a";
+
+export class B {
+  print(a: A) {
+    console.log(a.name);
+  }
+}

tests/circular/b.ts

@@ -1,4 +1,9 @@
-import { sum, subs } from '@utils';
+import { subs, sum, NoRuntimecodeHere } from "@utils";
+import "@circular/b";
+import { A } from "@circular/a";
+
+const n: NoRuntimecodeHere = null as any;
 
 sum(2, 3);
 subs(2, 3);
+const a = new A("");

tests/core/index.ts

@@ -5,10 +5,10 @@
 
     "strict": true,
 
+    "outDir": "out/",
     "baseUrl": "./",
     "paths": {
-      "@utils/*": ["utils/*"],
-      "@utils": ["utils"]
+      "@*": ["*"]
     },
 
     "esModuleInterop": true,

tests/tsconfig.json

@@ -1,2 +1,3 @@
-export * from '@utils/sum';
-export * from '@utils/subs';
+export * from "@utils/sum";
+export * from "@utils/subs";
+export * from "@utils/types-only";

tests/utils/index.ts

@@ -0,0 +1,3 @@
+export type NoRuntimecodeHere = "never gonna give you up!";
+
+// throw new Error('Not supposed to be!');