fix(index): correct [name].js.LICENSE file path (options.extractComments) (#249)

Author: evilebottnawi

Diff for: src/index.js

@@ -2,6 +2,7 @@
   no-param-reassign
 */
 import crypto from 'crypto';
+import path from 'path';
 import { SourceMapConsumer } from 'source-map';
 import { SourceMapSource, RawSource, ConcatSource } from 'webpack-sources';
 import RequestShortener from 'webpack/lib/RequestShortener';
@@ -211,7 +212,8 @@ class UglifyJsPlugin {
           if (commentsFile && extractedComments.length > 0) {
             // Add a banner to the original file
             if (this.options.extractComments.banner !== false) {
-              let banner = this.options.extractComments.banner || `For license information please see ${commentsFile}`;
+              let banner = this.options.extractComments.banner
+                || `For license information please see ${path.posix.basename(commentsFile)}`;
 
               if (typeof banner === 'function') {
                 banner = banner(commentsFile);

Diff for: test/__snapshots__/extract-comments-options.test.js.snap

@@ -8,6 +8,28 @@ exports[`errors 3`] = `Array []`;
 
 exports[`errors 4`] = `Array []`;
 
+exports[`errors 5`] = `Array []`;
+
+exports[`nested/nested/test1.js 1`] = `
+"/*! For license information please see test1.js.LICENSE */
+var foo=1;"
+`;
+
+exports[`nested/nested/test1.js.LICENSE 1`] = `
+"/* Comment */
+"
+`;
+
+exports[`nested/test.js 1`] = `
+"/*! For license information please see test.js.LICENSE */
+var foo=1;"
+`;
+
+exports[`nested/test1.js.LICENSE 1`] = `
+"// Comment
+"
+`;
+
 exports[`test.js 1`] = `"var foo=1;"`;
 
 exports[`test.js 2`] = `"var foo=1;"`;
@@ -81,3 +103,5 @@ exports[`warnings 2`] = `Array []`;
 exports[`warnings 3`] = `Array []`;
 
 exports[`warnings 4`] = `Array []`;
+
+exports[`warnings 5`] = `Array []`;

Diff for: test/extract-comments-options.test.js

@@ -258,4 +258,42 @@ describe('when options.extractComments', () => {
       expect(compilation2.warnings).toMatchSnapshot('warnings');
     });
   });
+
+  it('output respect nested directories', () => {
+    const pluginEnvironment = new PluginEnvironment();
+    const compilerEnv = pluginEnvironment.getEnvironmentStub();
+    compilerEnv.context = '';
+
+    const plugin = new UglifyJsPlugin({
+      extractComments: 'all',
+    });
+    plugin.apply(compilerEnv);
+    const [eventBinding] = pluginEnvironment.getEventBindings();
+    const chunkPluginEnvironment = new PluginEnvironment();
+    const compilation2 = chunkPluginEnvironment.getEnvironmentStub();
+    compilation2.assets = {
+      'nested/test.js': {
+        source: () => '// Comment\nvar foo = 1;',
+      },
+      'nested/nested/test1.js': {
+        source: () => '/* Comment */\nvar foo = 1;',
+      },
+    };
+    compilation2.warnings = [];
+    compilation2.errors = [];
+
+    eventBinding.handler(compilation2);
+    [compilationEventBinding] = chunkPluginEnvironment.getEventBindings();
+
+    compilationEventBinding.handler([{
+      files: ['nested/test.js', 'nested/nested/test1.js'],
+    }], () => {
+      expect(compilation2.assets['nested/test.js'].source()).toMatchSnapshot('nested/test.js');
+      expect(compilation2.assets['nested/test.js.LICENSE'].source()).toMatchSnapshot('nested/test1.js.LICENSE');
+      expect(compilation2.assets['nested/nested/test1.js'].source()).toMatchSnapshot('nested/nested/test1.js');
+      expect(compilation2.assets['nested/nested/test1.js.LICENSE'].source()).toMatchSnapshot('nested/nested/test1.js.LICENSE');
+      expect(compilation2.errors).toMatchSnapshot('errors');
+      expect(compilation2.warnings).toMatchSnapshot('warnings');
+    });
+  });
 });