chore: explicit peerDependencies on rollup ^1.0.0

.babelrc

@@ -1,6 +1,14 @@
 {
   "presets": [
-    "@babel/preset-env"
+    [
+      "@babel/preset-env", {
+        "modules": "cjs",
+        "targets": {
+          "node": "6"
+        }
+      }
+    ]
+
   ],
 
   "plugins": [

package.json

@@ -30,6 +30,9 @@
     "rollup",
     "rollup-plugin"
   ],
+  "peerDependencies": {
+    "rollup": "^1.0.0"
+  },
   "devDependencies": {
     "@babel/core": "7.9.0",
     "@babel/preset-env": "7.9.0",
@@ -52,5 +55,8 @@
     "rimraf": "3.0.2",
     "rollup": "1.32.0",
     "tmp": "0.1.0"
+  },
+  "engines": {
+    "node": ">=6.0.0"
   }
 }

test/index.spec.js

@@ -28,7 +28,7 @@ import plugin from '../src/index.js';
 import {joinLines} from './utils/join-lines';
 
 describe('rollup-plugin-strip-banner', () => {
-  it('should strip banner and generate sourceMap by default', () => {
+  it('should strip banner and generate sourcemap', () => {
     const instance = plugin();
     const id = 'test-file.js';
     const code = fs.readFileSync(path.join(__dirname, 'fixtures', id), 'utf-8');
@@ -47,44 +47,33 @@ describe('rollup-plugin-strip-banner', () => {
 
   it('should ignore source if it is does not have banner', () => {
     const id = 'test-file-without-banner.js';
-
-    const instance = plugin({
-      sourceMap: false,
-    });
-
+    const instance = plugin();
     const code = fs.readFileSync(path.join(__dirname, 'fixtures', id), 'utf-8');
-
     const result = instance.transform(code, id);
 
     expect(result).not.toBeDefined();
   });
 
   it('should ignore source if it is not included', () => {
     const id = 'test-file.js';
-
     const instance = plugin({
-      sourceMap: false,
       include: '**/*.spec.js',
     });
 
     const code = fs.readFileSync(path.join(__dirname, 'fixtures', id), 'utf-8');
-
     const result = instance.transform(code, id);
 
     expect(result).not.toBeDefined();
   });
 
   it('should ignore source if it is excluded', () => {
     const id = 'test-file.js';
-
     const instance = plugin({
-      sourceMap: false,
       include: '**/*test*.js',
       exclude: id,
     });
 
     const code = fs.readFileSync(path.join(__dirname, 'fixtures', id), 'utf-8');
-
     const result = instance.transform(code, id);
 
     expect(result).not.toBeDefined();