fix: source import aliases

src/generate.ts

@@ -89,7 +89,10 @@ export default async function* generate(
           path.relative(targetDir, sourceDir) || '.'
         }/${sourceBaseName}`
         targetFile.addImportDeclaration({
-          namedImports: [...sourceImports],
+          namedImports: [...sourceImports].map((name) => ({
+            name,
+            alias: `_${name}`,
+          })),
           moduleSpecifier,
         })
       }

src/writeRuntype.ts

@@ -221,7 +221,7 @@ function* generateEnumType(type: Type): RuntypeGenerator {
   yield [ImportFromSource, name]
   yield [
     Write,
-    `Guard((x: any): x is ${name} => Object.values(${name}).includes(x))`,
+    `Guard((x: any): x is _${name} => Object.values(_${name}).includes(x))`,
   ]
 }
 

test/enum.test.ts

@@ -3,14 +3,14 @@ import generateFixture from './generateFixture'
 test('enum', async () => {
   expect((await generateFixture('enum', ['A', 'B'])).getText())
     .toMatchInlineSnapshot(`
-    "import { A, B } from './enum';
+    "import { A as _A, B as _B } from './enum';
     import { Guard, Static } from 'runtypes';
 
-    export const A = Guard((x: any): x is A => Object.values(A).includes(x));
+    export const A = Guard((x: any): x is _A => Object.values(_A).includes(x));
 
     export type A = Static<typeof A>;
 
-    export const B = Guard((x: any): x is B => Object.values(B).includes(x));
+    export const B = Guard((x: any): x is _B => Object.values(_B).includes(x));
 
     export type B = Static<typeof B>;
     "