我正在使用我们的自定义库,它与 Vite 捆绑在一起,但不包括 React,我检查了一下,发现我只有一个 React 实例,并且定义了 React。但在第一次渲染时,使用 vite-plugin-ssr (VPS) 时,我看到以下错误。我还尝试在项目内重新定义钩子,然后我就不再看到错误了。
react-dom.development.js:20662 Uncaught Error: Cannot read properties of null (reading 'useState')
at updateDehydratedSuspenseComponent (react-dom.development.js:20662:17)
at updateSuspenseComponent (react-dom.development.js:20362:16)
at beginWork (react-dom.development.js:21624:14)
at beginWork$1 (react-dom.development.js:27426:14)
at performUnitOfWork (react-dom.development.js:26557:12)
at workLoopSync (react-dom.development.js:26466:5)
at renderRootSync (react-dom.development.js:26434:7)
at performConcurrentWorkOnRoot (react-dom.development.js:25738:74)
at workLoop (scheduler.development.js:266:34)
at flushWork (scheduler.development.js:239:14)
我知道这可能会发生,如果:
// in project
React.test = 'test'
...
// in component lib
console.log(React.test) // logs test
我的捆绑组件库的配置: vite.config.ts
/// <reference types="vitest" />
import { defineConfig } from 'vite';
import react from '@vitejs/plugin-react';
import path from 'path';
import dts from 'vite-plugin-dts';
// https://vitejs.dev/config/
export default defineConfig({
build: {
lib: {
entry: path.resolve(__dirname, 'src/index.ts'),
formats: ['es', 'cjs'],
name: '@workdigtital/component-library-react',
fileName: (format) => `index.${format}.js`
},
rollupOptions: {
external: ['react', 'react-dom'],
output: {
globals: {
react: 'React',
'react-dom': 'ReactDOM'
},
exports: 'named'
}
}
},
plugins: [react(), dts({ insertTypesEntry: true })],
test: {
globals: true,
environment: 'jsdom',
setupFiles: ['./src/tests/setup.ts'],
exclude: ['**/node_modules/**', '**/dist/**', '**/coverage/**', '**.stories**', '.storybook/**', '**.types**'],
coverage: {
all: true,
exclude: ['**/*.stories.tsx', '.storybook/**'],
provider: 'c8',
reporter: ['cobertura', 'html']
}
},
resolve: {
alias: {
'@': path.resolve(__dirname, './src'),
'@flaticon': path.resolve(__dirname, './node_modules/@flaticon')
}
}
});
我想我可能捆绑了一些错误的东西,以便它可以被 VPS 正确使用?在我们不使用 VPS 的项目中我没有看到这个问题。谁能指出我还可以调查什么的方向?
附录:
组件库中的钩子:
function useWindowSize(): TWindowSize {
console.log('useWindowSize');
console.log('useWindowSize: React', React);
console.log('useWindowSize: useState', useState);
console.log('useWindowSize: useState', useEffect);
const [windowSize, setWindowSize] = useState<TWindowSize>({
width: 1600,
height: 1200
});
useEffect(() => {
function handleResize() {
console.log('handleResize', React);
setWindowSize({
width: window.innerWidth,
height: window.innerHeight
});
}
window.addEventListener('resize', handleResize);
handleResize();
return () => window.removeEventListener('resize', handleResize);
}, []);
return windowSize;
}
export default useWindowSize;
我的项目的Vite配置:
/// <reference types="vitest" />
import react from '@vitejs/plugin-react';
import autoprefixer from 'autoprefixer';
import { defineConfig } from 'vite';
import circleDependency from 'vite-plugin-circular-dependency';
import ssr from 'vite-plugin-ssr/plugin';
import path from 'path';
console.log(process.env.IS_STORYBOOK ? 'Vite uses plugin set for storybook' : 'Vite uses plugin set for app');
const plugins = process.env.IS_STORYBOOK
? [(react(), circleDependency({}))]
: [
(react(), circleDependency({})),
ssr({
prerender: true
})
];
// https://vitejs.dev/config/
export default defineConfig({
plugins,
test: {
globals: true,
environment: 'jsdom',
setupFiles: ['./src/tests/setup.ts'],
exclude: ['**/node_modules/**', '**/dist/**', '**/coverage/**', '**.stories**', '**.types**'],
coverage: {
all: true,
provider: 'c8',
reporter: ['cobertura', 'html']
}
},
css: {
postcss: {
plugins: [autoprefixer()]
}
},
resolve: {
alias: {
'#': path.resolve(__dirname, './src'),
'#components': path.resolve(__dirname, './src/UI/components'),
'#layouts': path.resolve(__dirname, './src/UI/layouts'),
'#pages': path.resolve(__dirname, './src/pages'),
'#providers': path.resolve(__dirname, './src/providers'),
'#widgets': path.resolve(__dirname, './src/UI/widgets')
}
},
ssr: {
noExternal: ['primereact']
},
build: {
sourcemap: 'inline'
}
});
我使用的工具:
我能够通过删除解决问题 从“vite-plugin-circular-dependency”导入circleDependency 在 vite 配置中。