chore(backend): refactor backend for ci

- add gulp task to copy assets to build directory
-  refactor ormconfig
- add pre and post build tasks
- improve restrictions on tsconfig
- exclude migrations folder from tslint
- move migrations under src directory
- fix environment issues in config
- update add-typescript-to-cypress to a better version
- add gulp to package.json

Author: Mubarak Imam

nestpoc-api/gulpfile.ts

@@ -0,0 +1,6 @@
+import * as gulp from 'gulp';
+
+export default () => {
+  return gulp.src(['./src/**/*', '!./**/*.ts'])
+    .pipe(gulp.dest('dist'));
+};

nestpoc-api/ormconfig.json

@@ -5,18 +5,18 @@
    "username": "postgres",
    "password": "",
    "database": "nestpoc",
-   "synchronize": true,
+   "synchronize": false,
    "logging": false,
    "entities": [
-      "./**/models/*.model.ts"
+      "./src/modules/**/models/*.model.ts"
    ],
    "migrations": [
-      "./migrations/*.ts"
+      "./src/migrations/*.ts"
    ],
    "subscribers": [
-      "src/**/subscribers/*.ts"
+      "./src/**/subscribers/*.ts"
    ],
    "cli": {
-      "migrationsDir": "./migrations"
+      "migrationsDir": "./src/migrations"
    }
 }

nestpoc-api/package.json

@@ -8,12 +8,14 @@
     "prebuild": "rimraf dist",
     "tsc": "ts-node -r tsconfig-paths/register",
     "build": "tsc -b tsconfig.build.json",
+    "postbuild": "tscpaths -p tsconfig.json -s ./src -o ./dist && $(npm bin)/gulp",
     "format": "prettier --write \"src/**/*.ts\"",
     "start": "yarn tsc src/main.ts",
     "start:dev": "nodemon",
     "start:debug": "nodemon --config nodemon-debug.json",
     "prestart:prod": "yarn run build",
-    "start:prod": "node dist/main.js",
+    "start:p": "node dist/main.js",
+    "start:prod": "yarn start:p",
     "lint": "tslint -p tsconfig.json -c tslint.json",
     "test:unit": "jest --config ./test/jest-unit.json",
     "test:unit:watch": "yarn test:unit:cov --watch",
@@ -46,6 +48,7 @@
     "dotenv": "^7.0.0",
     "graphql": "^14.2.1",
     "graphql-tools": "^4.0.4",
+    "gulp": "^4.0.2",
     "install": "^0.12.2",
     "nest-router": "^1.0.9",
     "passport": "^0.4.0",
@@ -73,6 +76,7 @@
     "ts-jest": "^23.10.5",
     "ts-node": "^7.0.1",
     "tsconfig-paths": "^3.7.0",
+    "tscpaths": "^0.0.9",
     "tslint": "5.14.0",
     "tslint-config-airbnb": "^5.11.1",
     "typescript": "^3.4.1",

nestpoc-api/migrations/1555134026445-add necessary schemas.ts renamed to nestpoc-api/src/migrations/1555134026445-add necessary schemas.ts

@@ -1,5 +1,5 @@
 import {MigrationInterface, QueryRunner} from 'typeorm';
-import { services } from '../src/modules/common/config/constants';
+import { services } from '../modules/common/config/constants';
 
 export class addNecessarySchemas1555134026445 implements MigrationInterface {
 

nestpoc-api/migrations/1558368688871-addedInitialModels.ts renamed to nestpoc-api/src/migrations/1558368688871-addedInitialModels.ts

@@ -93,8 +93,9 @@ export class ConfigService implements JwtOptionsFactory, GqlOptionsFactory {
   }
 
   public createDatabaseOpts(): any {
-    const entitiesPath = path.join(process.cwd(), 'src/**/models/*.model.ts');
-    const migrationsPath = path.join(process.cwd(), 'src/../migrations/*.ts');
+    const fileExt = this.isDevelopment ? 'ts' : 'js';
+    const entitiesPath = `./**/modules/**/models/*.model.${fileExt}`;
+    const migrationsPath = `./**/migrations/*.${fileExt}`;
     return {
       type: this.envConfig.NESTPOC_DB_TYPE,
       host: this.envConfig.NESTPOC_DB_HOST,
@@ -119,13 +120,13 @@ export class ConfigService implements JwtOptionsFactory, GqlOptionsFactory {
 
   public createGqlOptions(): GqlModuleOptions {
     return {
-      typePaths: [path.join(process.cwd(), 'src/**/*.graphql')],
+      typePaths: ['./**/*.graphql'],
       context: ({ req, res, connection, payload }) => {
         if (req) {
           return { headers: req.headers };
         }
       },
-      // installSubscriptionHandlers: true,
+      introspection: true,
       definitions: {
         path: path.join(process.cwd(), 'src/graphql.schema.ts'),
         outputAs: 'class',

nestpoc-api/src/modules/common/config/config.service.ts

@@ -7,7 +7,7 @@ export const getModelRepository = (model: ModelRepository): {
 } => {
   return {
     provide: model.key,
-    useFactory: (connection: Connection) => connection.getRepository(model.schema),
+    useFactory: (conn: Connection) => conn.getRepository(model.schema),
     inject: [databaseProviderKey],
   };
 };

nestpoc-api/src/modules/common/config/helpers.ts

@@ -1,4 +1,4 @@
 {
   "extends": "./tsconfig.json",
-  "exclude": ["node_modules", "test", "**/*spec.ts"]
+  "exclude": ["node_modules", "test", "**/*spec.ts", "!src/**/*.ts"]
 }

nestpoc-api/tsconfig.build.json

@@ -8,12 +8,14 @@
     "experimentalDecorators": true,
     "target": "es6",
     "sourceMap": true,
+    "moduleResolution": "node",
     "outDir": "./dist",
     "baseUrl": "./src",
     "paths": {
       "@nestpoc/*": ["./modules/*"]
     },
     "lib": ["dom", "es2018", "esnext"]
   },
-  "exclude": ["node_modules", "dist" ]
+  "include": ["src/**/*.ts"],
+  "exclude": ["node_modules"]
 }

nestpoc-api/tsconfig.json

@@ -14,7 +14,7 @@
     "max-file-line-count": [true, 250]
   },
   "linterOptions": {
-    "exclude": ["./migrations/*.ts"]
+    "exclude": ["./src/migrations/*.ts"]
   },
   "rulesDirectory": []
 }