Add --typescript to ecu config

index.js

@@ -11,7 +11,12 @@ const { merge } = require('lodash');
 
 let date = new Date();
 
-const ADDON_OPTIONS = ['addonLocation', 'testAppLocation', 'testAppName', 'releaseIt'];
+const ADDON_OPTIONS = [
+  'addonLocation',
+  'testAppLocation',
+  'testAppName',
+  'releaseIt',
+];
 
 const description = 'The default blueprint for Embroider v2 addons.';
 
@@ -32,7 +37,9 @@ module.exports = {
     const appBlueprint = this.lookupBlueprint('app');
 
     if (!appBlueprint) {
-      throw new SilentError('Cannot find app blueprint for generating test-app!');
+      throw new SilentError(
+        'Cannot find app blueprint for generating test-app!'
+      );
     }
 
     let testAppInfo = testAppInfoFromOptions(options);
@@ -85,7 +92,10 @@ module.exports = {
     // we must explicitly add our own v2 addon here, the implicit magic of the legacy dummy app does not work
     pkg.devDependencies[this.locals(this.options).addonName] = '^0.0.0';
 
-    return fs.writeFile(packageJsonPath, JSON.stringify(sortPackageJson(pkg), undefined, 2));
+    return fs.writeFile(
+      packageJsonPath,
+      JSON.stringify(sortPackageJson(pkg), undefined, 2)
+    );
   },
 
   async overrideTestAppFiles(testAppPath, overridesPath) {
@@ -134,10 +144,13 @@ module.exports = {
           options.welcome && '"--welcome"',
           options.yarn && '"--yarn"',
           options.ciProvider && `"--ci-provider=${options.ciProvider}"`,
-          options.addonLocation && `"--addon-location=${options.addonLocation}"`,
-          options.testAppLocation && `"--test-app-location=${options.testAppLocation}"`,
+          options.addonLocation &&
+            `"--addon-location=${options.addonLocation}"`,
+          options.testAppLocation &&
+            `"--test-app-location=${options.testAppLocation}"`,
           options.testAppName && `"--test-app-name=${options.testAppName}"`,
           options.releaseIt && `"--release-it"`,
+          options.typescript && `"--typescript"`,
         ]
           .filter(Boolean)
           .join(',\n            ') +