jest.config.aws.json

{
  "transform": {
    "^.+\\.tsx?$": "ts-jest"
  },
  "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.tsx?$",
  "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json", "node"],
  "testPathIgnorePatterns": [
    "<rootDir>/src/",
    "<rootDir>/build/",
    "<rootDir>/dist/",
    "<rootDir>/node_modules/"
  ]
}

package.json

{
  "name": "example",
  "version": "0.1.0",
  "private": true,
  "homepage": "https://example.com",
  "proxy": "http://localhost:3001",
  "dependencies": {
    "aws-serverless-express": "^3.2.0",
    "express": "^4.16.3",
    "react": "^16.3.2",
    "react-dom": "^16.3.2",
    "react-scripts-ts": "2.16.0"
  },
  "scripts": {
    "start": "run-p start:aws start:cra",
    "start:aws": "sam local start-api -p 3001 --static-dir dist",
    "start:cra": "react-scripts-ts start",
    "build": "run-p build:aws build:cra",
    "build:aws": "run-s clear:aws compile:aws",
    "build:cra": "run-s clear:cra compile:cra",
    "compile": "run-p compile:aws compile:cra",
    "compile:aws": "tsc --project tsconfig.aws.json && cp -r node_modules dist",
    "compile:cra": "react-scripts-ts build",
    "clear": "run-p clear:aws clear:cra",
    "clear:aws": "rm -rf dist",
    "clear:cra": "rm -rf build",
    "test": "run-p test:aws test:cra",
    "test:aws": "jest --config=jestconfig.aws.json",
    "test:cra": "react-scripts-ts test --env=jsdom",
    "lint": "run-p lint:aws lint:cra",
    "lint:aws": "tslint --project tsconfig.aws.json",
    "lint:cra": "tslint --project tsconfig.json",
    "format": "run-p format:aws format:cra",
    "format:aws": "tslint --project tsconfig.aws.json --fix",
    "format:cra": "tslint --project tsconfig.json --fix",
    "eject": "react-scripts-ts eject"
  },
  "devDependencies": {
    "@types/aws-serverless-express": "^3.0.1",
    "@types/express": "^4.11.1",
    "@types/jest": "^22.2.3",
    "@types/node": "^10.1.2",
    "@types/react": "^16.3.14",
    "@types/react-dom": "^16.0.5",
    "@types/supertest": "^2.0.4",
    "eslint": "^4.19.1",
    "eslint-config-airbnb": "^16.1.0",
    "eslint-config-prettier": "^2.9.0",
    "eslint-config-standard": "^11.0.0",
    "eslint-plugin-import": "^2.12.0",
    "eslint-plugin-jsx-a11y": "^6.0.3",
    "eslint-plugin-mocha": "^5.0.0",
    "eslint-plugin-node": "^6.0.1",
    "eslint-plugin-prettier": "^2.6.0",
    "eslint-plugin-promise": "^3.7.0",
    "eslint-plugin-react": "^7.8.2",
    "eslint-plugin-standard": "^3.1.0",
    "npm-run-all": "^4.1.3",
    "prettier": "^1.12.1",
    "supertest": "^3.1.0",
    "tslint": "^5.10.0",
    "tslint-config-airbnb": "^5.9.2",
    "tslint-config-prettier": "^1.13.0",
    "tslint-config-standard": "^7.0.0",
    "tslint-language-service": "^0.9.9",
    "tslint-plugin-prettier": "^1.3.0",
    "tslint-react": "^3.6.0",
    "typescript": "^2.8.3"
  }
}

template.yml

AWSTemplateFormatVersion: 2010-09-09
Transform:
- AWS::Serverless-2016-10-31
- AWS::CodeStar

Parameters:
  ProjectId:
    Type: String
    Description: AWS CodeStar projectID used to associate new resources to team members

# Enable blue/green deployments using this Globals section. For instructions, see the AWS CodeStar User Guide:
# https://docs.aws.amazon.com/codestar/latest/userguide/how-to-modify-serverless-project.html?icmpid=docs_acs_rm_tr
#
# Globals:
#   Function:
#     AutoPublishAlias: live
#     DeploymentPreference:
#       Enabled: true
#       Type: Canary10Percent5Minutes

Resources:
  HelloWorld:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: ./dist
      Handler: index.handler
      Runtime: nodejs8.10
      Environment:
        Variables:
          NODE_ENV: production
      Role:
        Fn::ImportValue:
          !Join ['-', [!Ref 'ProjectId', !Ref 'AWS::Region', 'LambdaTrustRole']]
      Events:
        GetEvent:
          Type: Api
          Properties:
            Path: /
            Method: get
        PostEvent:
          Type: Api
          Properties:
            Path: /
            Method: post

tsconfig.aws.json

{
  "extends": "./tsconfig.prod.json",
  "compilerOptions": {
    "outDir": "dist",
    "sourceMap": false,
    "rootDir": "."
  },
  "exclude": [
    "src",
    "node_modules",
    "build",
    "scripts",
    "acceptance-tests",
    "webpack",
    "jest",
    "src/setupTests.ts"
  ]
}