Remove main.js requirement for themes

src/extensibility/node/package-validator.js

@@ -287,8 +287,11 @@ function extractAndValidateFiles(zipPath, extractDir, options, callback) {
                     callback(err, null);
                     return;
                 }
-                var mainJS = path.join(extractDir, commonPrefix, "main.js");
-                if (!fs.existsSync(mainJS)) {
+                var mainJS  = path.join(extractDir, commonPrefix, "main.js"),
+                    isTheme = metadata && metadata.theme;
+
+                // Throw missing main.js file only for non-theme extensions
+                if (!isTheme && !fs.existsSync(mainJS)) {
                     errors.push([Errors.MISSING_MAIN, zipPath, mainJS]);
                 }
                 callback(null, {

src/extensibility/node/package.json

@@ -1,7 +1,7 @@
 {
   "name": "brackets-extensibility",
   "description": "Used in the management of Brackets extensions",
-  "version": "0.32.0",
+  "version": "0.45.0",
   "dependencies": {
     "decompress-zip": "0.0.2",
     "semver": "2.x",

src/extensibility/node/spec/Installation.spec.js

@@ -56,7 +56,7 @@ var basicValidExtension       = path.join(testFilesDirectory, "basic-valid-exten
     missingPackageJSON        = path.join(testFilesDirectory, "missing-package-json.zip"),
     missingPackageJSONUpdate  = path.join(testFilesDirectory, "missing-package-json-update.zip"),
     missingPackageJSONRenamed = path.join(testFilesDirectory, "added-package-json-test", "missing-package-json.zip"),
-    withSymlink            = path.join(testFilesDirectory, "with-symlink.zip");
+    withSymlink               = path.join(testFilesDirectory, "with-symlink.zip");
 
 
 describe("Package Installation", function () {

src/extensibility/node/spec/Validation.spec.js

@@ -44,6 +44,7 @@ var testFilesDirectory = path.join(path.dirname(module.filename),
 
 var basicValidExtension    = path.join(testFilesDirectory, "basic-valid-extension.zip"),
     basicValidExtension2   = path.join(testFilesDirectory, "basic-valid-extension-2.0.zip"),
+    basicValidTheme        = path.join(testFilesDirectory, "basic-valid-theme-1.0.zip"),
     missingPackageJSON     = path.join(testFilesDirectory, "missing-package-json.zip"),
     invalidJSON            = path.join(testFilesDirectory, "invalid-json.zip"),
     invalidZip             = path.join(testFilesDirectory, "invalid-zip-file.zip"),
@@ -167,6 +168,15 @@ describe("Package Validation", function () {
         });
     });
 
+    it("should NOT require a main.js in the zip file for a theme", function (done) {
+        packageValidator.validate(basicValidTheme, {}, function (err, result) {
+            expect(err).toBeNull();
+            expect(result.errors.length).toEqual(0);
+            expect(result.metadata.theme).toBeDefined();
+            done();
+        });
+    });
+
     it("should determine the common prefix if there is one", function (done) {
         packageValidator.validate(oneLevelDown, {}, function (err, result) {
             expect(err).toBeNull();

test/spec/extension-test-files/basic-valid-theme-1.0/package.json

@@ -0,0 +1,19 @@
+{
+    "name": "basic-valid-theme",
+    "title": "Basic Valid Theme",
+    "version": "1.0.0",
+    "author": "Alfred Einstein <[email protected]> (http://thoseeinsteins.org/alfred)",
+    "contributors": [
+        "Johan Einstein",
+        {
+            "name": "Albert Einstein Jr.",
+            "email": "[email protected]"
+        },
+        "Jens Einstein <[email protected]>"
+    ],
+    "theme": {
+        "file": "theme.less",
+        "dark": false
+    },
+    "keywords": ["theme"]
+}