How to build webcomponentjs v0 polyfill and include in angular

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  1. git clone https://github.com/webcomponents/webcomponentsjs repository
  2. check out v0 branch
  3. install gulp globally
    npm install -g gulp
  4. build webcomponentjs manually
     
    npm install
    gulp build
    
  5. Find the generate js files in dist/ folder
  6. Copy webcomponents.min.js to assets folder of angular project
  7. import webcomponents.min.js to polyfill.ts
     
    import "./assets/webcomponents.min";