feat: add package variable in template

src/index.js

@@ -43,11 +43,16 @@ module.exports = (options) => {
           return deferred.reject(error);
         }
 
+        // Import the `package.json` of the project.
+        // The `resolve` function
+        const pkgPath = path.resolve(process.cwd(), 'package.json');
+        const pkg = require(pkgPath);
+
         // Create the template function with lodash.
         const tmpl = _.template(content);
 
         // Generate the banner.
-        let banner = tmpl({_, moment});
+        let banner = tmpl({_, moment, pkg});
 
         // Make a block comment if needed
         const trimmedBanner = banner.trim();

test/fixtures/banner-with-pkg.js

@@ -0,0 +1,3 @@
+/**
+ * Name: <%= pkg.name %>
+ */

test/index.spec.js

@@ -134,4 +134,27 @@ describe('rollup-plugin-license', () => {
       done();
     });
   });
+
+  it('should prepend banner and replace package variables', (done) => {
+    const instance = plugin({
+      file: path.join(__dirname, 'fixtures', 'banner-with-pkg.js'),
+    });
+
+    const code = 'var foo = 0;';
+
+    const promise = instance.transformBundle(code);
+
+    promise.then((result) => {
+      expect(result).toBeDefined();
+      expect(result.code).toEqual(
+        `/**\n` +
+        ` * Name: rollup-plugin-license\n` +
+        ` */\n` +
+        `\n` +
+        `var foo = 0;`
+      );
+
+      done();
+    });
+  });
 });