chore(): added config spec and jest.

package.json

@@ -88,6 +88,7 @@
     "github": "0.2.4",
     "ionic-cz-conventional-changelog": "1.0.0",
     "jasmine": "2.5.2",
+    "jest": "^17.0.3",
     "mock-fs": "3.11.0",
     "node-sass": "3.10.1",
     "rewire": "^2.5.2",
@@ -118,5 +119,15 @@
       "path": "node_modules/ionic-cz-conventional-changelog"
     }
   },
-  "typings": "dist/index.d.ts"
+  "typings": "dist/index.d.ts",
+  "jest": {
+    "moduleFileExtensions": [
+      "ts",
+      "js"
+    ],
+    "transform": {
+      "^.+\\.(ts)$": "<rootDir>/preprocessor.js"
+    },
+    "testRegex": "/src/.*\\.spec\\.(ts|js)$"
+  }
 }

preprocessor.js

@@ -0,0 +1,16 @@
+const tsc = require('typescript');
+const tsConfig = require('./tsconfig.json');
+
+module.exports = {
+  process(src, path) {
+    if (path.endsWith('.ts')) {
+      return tsc.transpile(
+        src,
+        tsConfig.compilerOptions,
+        path,
+        []
+      );
+    }
+    return src;
+  },
+};

src/clean.spec.ts

@@ -37,4 +37,4 @@ describe('clean task', () => {
       done();
     });
   });
-});
+});