I get reactjs serviceWorker.js instead of registerServiceWorker.js

Question

When I build with "create-react-app projectname" At the first time I had registerServiceWorker.js in src directory but suddenly when I build new project I get just serviceWorker.js

1. Why suddenly I get serviceWorker.js file when I buile new project? ( Of course it works fine when I copy registerServiceWorker file. bt I just wonder )

2. And How can I fix to get registerServiceWorker.js when I create new app?

   • I am using node(v8.12.0), yarn(1.10.1)

Answer 1

看起来随着 Create React App 2.0 的发布，他们用 serviceWorker.js 替换了 registerServiceWorker.js，现在带有 CRA 的 service workers 是可选的。