问题描述
我突然遇到这个问题,直到找到原因。
我已经把一个导出常量放到了 App 功能组件的范围之外。 这样做之后 - 热重载停止工作。
您可以在这个 Basic create-app project 中看到一个演示(将其与分支进行比较: 热重载现在不工作。
我也在另一个项目中看到了这种行为。但是对于较旧的项目,它没有发生。 (当应用程序是那里的常规类组件时)。
package.json:
{
"name": "draft-work-5781","version": "0.1.0","private": true,"dependencies": {
"@testing-library/jest-dom": "^5.11.9","@testing-library/react": "^11.2.5","@testing-library/user-event": "^12.7.0","react": "^17.0.1","react-dom": "^17.0.1","react-scripts": "4.0.2","web-vitals": "^1.1.0"
},"scripts": {
"start": "react-scripts start","build": "react-scripts build","test": "react-scripts test","eject": "react-scripts eject"
},"eslintConfig": {
"extends": [
"react-app","react-app/jest"
]
},"browserslist": {
"production": [
">0.2%","not dead","not op_mini all"
],"development": [
"last 1 chrome version","last 1 firefox version","last 1 safari version"
]
}
}
解决方法
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