Add ignorePattern option for removing specific files

I created this specifically so I could exclude index.json from compression and still include all other .json files.

It may be possible to do this with filePattern alone, but I wasn't able to figure that out.

Author: jrjohnson

README.md

@@ -57,6 +57,12 @@ Note: image files such as `.png`, `.jpg` and `.gif` should not be gzipped, as th
 
 *Default:* `'\*\*/\*.{js,css,json,ico,map,xml,txt,svg,eot,ttf,woff,woff2}'`
 
+### ignorePattern
+
+Files matching this pattern will *not* be gzipped even if they match filePattern
+
+*Default:* null
+
 ### distDir
 
 The root directory where the files matching `filePattern` will be searched for. By default, this option will use the `distDir` property of the deployment context, provided by [ember-cli-deploy-build][2].

index.js

@@ -21,6 +21,7 @@ module.exports = {
       name: options.name,
       defaultConfig: {
         filePattern: '**/*.{js,css,json,ico,map,xml,txt,svg,eot,ttf,woff,woff2}',
+        ignorePattern: null,
         zopfli: false,
         keep: false,
         distDir: function(context){
@@ -44,13 +45,15 @@ module.exports = {
       willUpload: function(context) {
         var self = this;
 
-        var filePattern  = this.readConfig('filePattern');
-        var distDir      = this.readConfig('distDir');
-        var distFiles    = this.readConfig('distFiles') || [];
-        var keep         = this.readConfig('keep');
+        var filePattern     = this.readConfig('filePattern');
+        var ignorePattern   = this.readConfig('ignorePattern');
+        var distDir         = this.readConfig('distDir');
+        var distFiles       = this.readConfig('distFiles') || [];
+        var keep            = this.readConfig('keep');
 
         this.log('gzipping `' + filePattern + '`', { verbose: true });
-        return this._gzipFiles(distDir, distFiles, filePattern, keep)
+        this.log('ignoring `' + ignorePattern + '`', { verbose: true });
+        return this._gzipFiles(distDir, distFiles, filePattern, ignorePattern, keep)
           .then(function(gzippedFiles) {
             self.log('gzipped ' + gzippedFiles.length + ' files ok', { verbose: true });
             if (keep) {
@@ -64,8 +67,13 @@ module.exports = {
           })
           .catch(this._errorMessage.bind(this));
       },
-      _gzipFiles: function(distDir, distFiles, filePattern, keep) {
+      _gzipFiles: function(distDir, distFiles, filePattern, ignorePattern, keep) {
         var filesToGzip = distFiles.filter(minimatch.filter(filePattern, { matchBase: true }));
+        if (ignorePattern != null) {
+            filesToGzip = filesToGzip.filter(function(path){
+              return !minimatch(path, ignorePattern, { matchBase: true });
+            });
+        }
         return Promise.map(filesToGzip, this._gzipFile.bind(this, distDir, keep));
       },
       _gzipFile: function(distDir, keep, filePath) {

tests/unit/index-nodetest.js

@@ -62,22 +62,24 @@ describe('gzip plugin', function() {
           return previous;
         }, []);
 
-        assert.equal(messages.length, 5);
+        assert.equal(messages.length, 6);
       });
 
       it('adds default config to the config object', function() {
         plugin.configure(context);
         assert.isDefined(config.gzip.filePattern);
+        assert.isDefined(config.gzip.ignorePattern);
         assert.isDefined(config.gzip.distDir);
         assert.isDefined(config.gzip.distFiles);
         assert.isDefined(config.gzip.zopfli);
       });
     });
-    describe('with a filePattern, zopfli, distDir, and distFiles provided', function () {
+    describe('with a filePattern, ignorePattern, zopfli, distDir, and distFiles provided', function () {
       beforeEach(function() {
         config = {
           gzip: {
             filePattern: '**/*.*',
+            ignorePattern: '**/specific.thing',
             zopfli: false,
             keep: false,
             distDir: 'tmp/dist-deploy',
@@ -121,12 +123,14 @@ describe('gzip plugin', function() {
         distFiles: [
           'assets/foo.js',
           'assets/bar.notjs',
+          'assets/ignore.js',
         ],
         ui: mockUi,
         project: { name: function() { return 'test-project'; } },
         config: {
           gzip: {
             filePattern: '**/*.js',
+            ignorePattern: '**/ignore.*',
             distDir: function(context){ return context.distDir; },
             distFiles: function(context){ return context.distFiles; }
           }
@@ -137,6 +141,7 @@ describe('gzip plugin', function() {
       if (!fs.existsSync(path.join(context.distDir, 'assets'))) { fs.mkdirSync(path.join(context.distDir, 'assets')); }
       fs.writeFileSync(path.join(context.distDir, context.distFiles[0]), 'alert("Hello foo world!");', 'utf8');
       fs.writeFileSync(path.join(context.distDir, context.distFiles[1]), 'alert("Hello bar world!");', 'utf8');
+      fs.writeFileSync(path.join(context.distDir, context.distFiles[2]), 'alert("Hello ignore world!");', 'utf8');
       plugin.beforeHook(context);
       plugin.gzipLibrary = require('zlib');
     });
@@ -145,7 +150,7 @@ describe('gzip plugin', function() {
       return rimraf(context.distDir);
     });
 
-    it('gzips the matching files', function(done) {
+    it('gzips the matching files which are not ignored', function(done) {
       return assert.isFulfilled(plugin.willUpload(context))
         .then(function(result) {
           assert.deepEqual(result, { gzippedFiles: ['assets/foo.js'] });