Add option to ignore specific files from being added to the manifest

lib/asset-manifest-generator.js

@@ -19,6 +19,7 @@ function AssetManifestGenerator(inputTrees, options) {
   options = options || {};
 
   this.prepend = options.prepend || '';
+  this.filesToIgnore = options.filesToIgnore || [];
   this.supportedTypes = options.supportedTypes || DEFAULT_SUPPORTED_TYPES;
   this.generateURI = options.generateURI || function generateURI(filePath) {
     return filePath;
@@ -59,6 +60,7 @@ AssetManifestGenerator.prototype.build = function() {
   var supportedTypes = this.supportedTypes;
   var generateURI = this.generateURI;
   var prepend = this.prepend;
+  var filesToIgnore = this.filesToIgnore;
   var inputPath = this.inputPaths[0];
   var existingManifestPath = this.inputPaths[1];
   var existingManifest;
@@ -102,7 +104,7 @@ AssetManifestGenerator.prototype.build = function() {
     else if (assetName && bundleName) {
       var assetType = assetName.split('.').pop();
 
-      if (supportedTypes.indexOf(assetType) !== -1) {
+      if (supportedTypes.indexOf(assetType) !== -1 && !stringOrRegexMatch(filesToIgnore, entry)) {
 
         // only add non-empty assets
         let fullPath = path.join(inputPath, entry);
@@ -125,4 +127,18 @@ AssetManifestGenerator.prototype.build = function() {
   fs.writeJsonSync(manifestFile, manifest, { spaces: 2 });
 };
 
+function stringOrRegexMatch(matchers, value) {
+  for (var i = 0; i < matchers.length; i++) {
+    var matcher = matchers[i];
+
+    if (typeof matcher === 'string' && matcher === value) {
+        return true;
+    } else if (matcher instanceof RegExp && matcher.test(value)) {
+      return true;
+    }
+  }
+
+  return false;
+}
+
 module.exports = AssetManifestGenerator;

lib/generate-asset-manifest.js

@@ -22,6 +22,7 @@ module.exports = function generateAssetManifest(tree, options) {
   options = options || {};
 
   var bundlesLocation = options.bundlesLocation || 'bundles';
+  var filesToIgnore = options.filesToIgnore || [];
   var supportedTypes = options.supportedTypes;
   var generateURI = options.generateURI;
   var appName = options.appName;
@@ -44,6 +45,7 @@ module.exports = function generateAssetManifest(tree, options) {
     generateURI: generateURI,
     supportedTypes: supportedTypes,
     prepend: '/' + bundlesLocation,
+    filesToIgnore: filesToIgnore,
     annotation: 'Asset Manifest Generator'
   });
 

node-tests/asset-manifest-generator-test.js

@@ -62,6 +62,20 @@ describe('asset-manifest-generator', function() {
       return verifyAssetManifest('resources', { prepend: '/resources/' });
     });
 
+    it('can ignore specific files', function() {
+      return verifyAssetManifest('full-minus-ignored-files', {
+        prepend: '/bundles',
+        filesToIgnore: [ 'blog/assets/engine.css', 'chat/assets/engine.js' ]
+      });
+    });
+
+    it('can ignore specific files using regex', function() {
+      return verifyAssetManifest('full-minus-ignored-files', {
+        prepend: '/bundles',
+        filesToIgnore: [ /(blog\/assets\/engine\.css|chat\/assets\/engine\.js)/ ]
+      });
+    });
+
     it('merges with an existing manifest', function() {
       var existingManifest = path.join(manifestsPath, 'existing');
       return verifyAssetManifest('full-plus-existing', { prepend: '/bundles' }, existingManifest);

node-tests/fixtures/manifests/full-minus-ignored-files.json

@@ -0,0 +1,67 @@
+{
+  "bundles": {
+    "blog": {
+      "assets": [
+        {
+          "uri": "/bundles/blog/assets/engine.js",
+          "type": "js"
+        },
+        {
+          "uri": "/bundles/blog/assets/vendor.css",
+          "type": "css"
+        },
+        {
+          "uri": "/bundles/blog/assets/vendor.js",
+          "type": "js"
+        },
+        {
+          "uri": "/bundles/blog/shared/addon.css",
+          "type": "css"
+        },
+        {
+          "uri": "/bundles/blog/shared/addon.js",
+          "type": "js"
+        }
+      ],
+      "dependencies": [
+        "shared"
+      ]
+    },
+    "chat": {
+      "assets": [
+        {
+          "uri": "/bundles/chat/assets/engine.css",
+          "type": "css"
+        },
+        {
+          "uri": "/bundles/chat/assets/vendor.css",
+          "type": "css"
+        },
+        {
+          "uri": "/bundles/chat/assets/vendor.js",
+          "type": "js"
+        }
+      ]
+    },
+    "shared": {
+      "assets": [
+        {
+          "uri": "/bundles/shared/assets/addon.css",
+          "type": "css"
+        },
+        {
+          "uri": "/bundles/shared/assets/addon.js",
+          "type": "js"
+        },
+        {
+          "uri": "/bundles/shared/assets/vendor.css",
+          "type": "css"
+        },
+        {
+          "uri": "/bundles/shared/assets/vendor.js",
+          "type": "js"
+        }
+      ]
+    }
+  }
+}

node-tests/generate-asset-manifest-test.js

@@ -64,6 +64,10 @@ describe('generate-asset-manifest', function() {
     return verifyAssetManifest('engines', { bundlesLocation: 'engines-dist' });
   });
 
+  it('can ignore specific files', function() {
+    return verifyAssetManifest('full-minus-ignored-files', { filesToIgnore: [ 'blog/assets/engine.css', 'chat/assets/engine.js' ] });
+  });
+
   it('merges an existing manifest into the new one', co.wrap(function* () {
     var inputTree = path.join(fixturePath, 'existing-test');
     var assetManifestTree = generateAssetManifest(inputTree);