Buildspec for typescript project on AWS CodeBuild

buildspec.yaml

version: 0.2
phases:
  install:
    runtime-versions:
      nodejs: 14.x
    commands:
      - npm install -g typescript
      - npm install
  pre_build:
    commands:
      - echo Nothing to do in the pre_build phase...
  build:
    commands:
      - echo Build started on `date`
      - npm run build
  post_build:
    commands:
      - echo Build completed on `date`
cache:
  paths:
    - "node_modules/**/*"
artifacts:
  files:
    - "**/*"
  base-directory: build
  name: fileName-$(date +%Y-%m-%d)