This is to show the commands to built angular component library

package.json

{
  "name": "angular-component-library",
  "version": "0.0.0",
  "scripts": {
    "prestart": "npm install",
    "ng": "ng",
    "start": "ng serve",
    ...
    ...
    "build-lib": "ng build --prod ratify", // To built the library for production
    "npm-pack": "cd dist/ratify && npm pack", // This command is to pack the library as .tgz for local npm installation from .tgz file
    "package": "npm run build-lib && npm run npm-pack" // This command sequence the execution of above
  },
  "private": true,
  "dependencies": {
    "@angular/common": "^6.0.3", // Peer dependencies for angular-ratify library
    "@angular/core": "^6.0.3", // Peer dependencies for angular-ratify library
    "font-awesome": "^4.7.0" // Peer dependencies for angular-ratify library
    ...
    ...
  },
  "devDependencies": {
    ...
    ...
  }
}