fix(codegen): Add indexes and generate on create app (#508)

cli/commands/create-app.ts

@@ -4,6 +4,7 @@ import { zipObject } from 'lodash';
 
 import { AppAction } from '../../src/app/app.interface';
 import { generateAppDefinition } from '../generators/generate-app-definition';
+import { generateAppIndex } from '../generators/generate-app-index';
 import { generateAppModule } from '../generators/generate-app-module';
 import {
   promptAppDescription,
@@ -40,6 +41,7 @@ export default class CreateApp extends Command {
     }
 
     await generateAppModule(appId);
+    await generateAppIndex(appId);
     await generateAppDefinition({
       id: appId,
       name: appName,

cli/generators/generate-app-index.ts

@@ -0,0 +1,21 @@
+import dedent from 'dedent';
+import * as recast from 'recast';
+
+import { strings } from '../strings';
+
+import { formatAndWrite } from './utils';
+
+export async function generateAppIndex(appId: string) {
+  const appDefinitionName = `${strings.upperCase(appId)}_DEFINITION`;
+  const appClassName = strings.titleCase(appId);
+
+  const content = dedent`
+    export { ${appDefinitionName}, ${appClassName}AppDefinition } from './${appId}.definition';
+    export { ${appClassName}AppModule } from './${appId}.module';
+    export { ${appClassName}ContractFactory } from './contracts';
+  `;
+
+  const ast = recast.parse(content, { parser: require('recast/parsers/typescript') });
+  const prettyContent = recast.prettyPrint(ast).code;
+  await formatAndWrite(`./src/apps/${appId}/index.ts`, prettyContent);
+}

src/apps/rari-fuse/index.ts

@@ -0,0 +1,2 @@
+export { RARI_FUSE_DEFINITION, RariFuseAppDefinition } from './rari-fuse.definition';
+export { RariFuseContractFactory } from './contracts';

src/apps/saddle/index.ts

@@ -0,0 +1,2 @@
+export { SADDLE_DEFINITION, SaddleAppDefinition } from './saddle.definition';
+export { SaddleContractFactory } from './contracts';