[Solved] vite2+vue3 jsx Error: React is not defined

Vite2 + vue3 uses JSX to report an error: react is not defined

If JSX is not used in react, for error reporting:

React is not defined

It is required to add the following configuration to the vite.config.js file:

export default {
  esbuild: {
    jsxFactory: 'h',
    jsxFragment: 'Fragment',
    jsxInject: "import { h } from 'vue';"
  }
}

The last sentence is equivalent to the injection of vite. The helper automatically introduces h

ProgrammerAH