Add Che API extension for Theia Plugin API (#4)

eclipse-che/che#11306 add Che API extension

Signed-off-by: Yevhen Vydolob <yvydolob@redhat.com>

src/conf/extensions.yml

@@ -31,3 +31,8 @@ extensions:
   folders:
     - che-theia-activity-tracker
   checkoutTo: master
+- source: https://github.com/eclipse/che-theia
+  folders:
+    - extensions/eclipse-che-theia-plugin
+    - extensions/eclipse-che-theia-plugin-ext
+  checkoutTo: master

src/extensions.ts

@@ -100,13 +100,13 @@ export class Extensions {
             const updatedDependencies: any = {};
             const updatedDevDependencies: any = {};
 
-            const keysDependencies = Object.keys(dependencies);
+            const keysDependencies = dependencies ? Object.keys(dependencies) : [];
             await Promise.all(keysDependencies.map(async key => {
                 updatedDependencies[key] = this.updateDependency(key, dependencies[key]);
             }));
 
             rawExtensionPackage['dependencies'] = updatedDependencies;
-            const keysDevDependencies = Object.keys(devDependencies);
+            const keysDevDependencies = dependencies ? Object.keys(devDependencies) : [];
             await Promise.all(keysDevDependencies.map(async key => {
                 updatedDevDependencies[key] = this.updateDependency(key, devDependencies[key]);
             }));

tests/extensions/extension-empty/package.json

@@ -0,0 +1,11 @@
+{
+  "name": "@some/plugin",
+  "version": "0.0.1",
+  "license": "EPL-2.0",
+  "types": "./src/foo.d.ts",
+  "files": [
+    "src"
+  ],
+  "dependencies": {},
+  "devDependencies": {}
+}

tests/extensions/extensions.spec.ts

@@ -9,7 +9,7 @@
  */
 
 /// <reference path="index.d.ts"/>
-import { Extensions } from "../../src/extensions";
+import { Extensions, IExtension } from "../../src/extensions";
 import * as tmp from "tmp";
 import * as fs from "fs-extra";
 import * as path from "path";
@@ -132,4 +132,9 @@ describe("Test Extensions", () => {
 
     });
 
+    test('extension with empty dependencies', async () => {
+        const extensions = new Extensions(assemblyExamplePath, packagesFolderTmp, cheTheiaFolderTmp, assemblyFolderTmp, THEIA_DUMMY_VERSION);
+        await extensions.updateDependencies({ symbolicLinks: [path.resolve(rootFolder, "tests/extensions/extension-empty")] } as IExtension);
+    });
+
 });