Javascript 将JS转换为ES5的应用程序反应为目标IE 11
我目前有一个react应用程序没有在IE中运行/渲染,我想是因为ES5/ES6问题 我得到的错误是:语法错误 在下面突出显示的行上Javascript 将JS转换为ES5的应用程序反应为目标IE 11,javascript,reactjs,babeljs,babel-polyfill,Javascript,Reactjs,Babeljs,Babel Polyfill,我目前有一个react应用程序没有在IE中运行/渲染,我想是因为ES5/ES6问题 我得到的错误是:语法错误 在下面突出显示的行上 if(process.env.NODE_ENV == 'production') { => module.exports = require('./cjs/react.production.min.js'); } else { module.exports = require('./cjs/react.developme
if(process.env.NODE_ENV == 'production') {
=> module.exports = require('./cjs/react.production.min.js');
} else {
module.exports = require('./cjs/react.development.js');
编译前,在index.js的顶部:
import 'babel-polyfill';
import 'react-app-polyfill/ie11';
import 'react-app-polyfill/stable';
package.json:
{
"name": "reactapp",
"version": "0.1.0",
"private": true,
"dependencies": {
"@babel/polyfill": "^7.8.3",
"@material-ui/core": "^3.9.3",
"@material-ui/icons": "^3.0.2",
"@sentry/browser": "^5.10.2",
"adblockdetect": "0.0.2",
"animatewithsass": "^3.2.1",
"axios": "^0.18.1",
"babel-polyfill": "^6.26.0",
"core-js": "^3.6.5",
"date-fns": "^2.10.0",
"detectrtc": "^1.4.0",
"easy-peasy": "^3.2.0",
"formik": "^2.0.3",
"google-map-react": "^1.1.5",
"js-cookie": "^2.2.1",
"lodash": "^4.17.15",
"material-design-icons": "^3.0.1",
"material-icons": "^0.3.1",
"node-sass": "^4.13.0",
"platform": "^1.3.5",
"query-string": "^6.10.1",
"react": "^16.11.0",
"react-albus": "^2.0.0",
"react-app-polyfill": "^1.0.6",
"react-color": "^2.18.0",
"react-confirm-alert": "^2.4.1",
"react-dom": "^16.11.0",
"react-dropzone": "^11.1.0",
"react-loader-spinner": "^3.1.5",
"react-media-recorder": "^1.2.0",
"react-paginate": "^6.3.2",
"react-router-dom": "^5.1.2",
"react-rtc-real": "^1.11.22",
"react-scripts": "2.1.8",
"react-select": "^3.1.0",
"react-simple-line-icons": "^1.0.8",
"react-spring": "^8.0.27",
"react-stripe-elements": "^5.1.0",
"react-stripe-script-loader": "^1.0.16",
"react-switch": "^5.0.1",
"react-toastify": "^5.4.0",
"react-toggle": "^4.1.1",
"react-tooltip": "^3.11.2",
"regenerator-runtime": "^0.13.5",
"semantic-ui-css": "^2.4.1",
"semantic-ui-react": "^0.88.2",
"styled-components": "^4.4.1",
"sweetalert2-react": "^0.8.3",
"videojs": "^1.0.0",
"videojs-record": "^4.0.0",
"webfontloader": "^1.6.28",
"webrtc-adapter": "^7.5.1",
"yup": "^0.27.0"
},
"scripts": {
"start": "react-app-rewired start",
"build": "set NODE_ENV=production && react-app-rewired build",
"test": "react-app-rewired test",
"eject": "react-scripts eject"
},
"eslintConfig": {
"extends": "react-app"
},
"browserslist": {
"production": [
">0.2%",
"not dead",
"not op_mini all",
"IE 11"
],
"development": [
"last 1 chrome version",
"last 1 firefox version",
"last 1 safari version",
"IE 11"
]
},
"devDependencies": {
"animate-sass": "^0.8.2",
"es-check": "^5.1.1",
"react-app-rewired": "^2.1.6"
}
}
里面,巴别塔
{
"presets": ["@babel/env","@babel/preset-react",["@babel/preset-env", { "targets": "defaults" }]],
"plugins" : ["@babel/plugin-syntax-dynamic-import"]
}
有谁能指导我如何让babel为ES5正确编译东西?你们会注意到这里并没有弹出,我使用的是react应用程序重新布线,我不认为这会导致问题,所以任何帮助都非常感谢
更新:
"Object doesn't support property or method 'repeat'" - when running in development mode. How do I polyfill this? I think this may be the problem.
这与
正如该线程中所建议的,您可以将其添加到预设配置中
{模块:false,
使用内置项:“条目”,
corejs:3}
或者直接导入函数
导入'core js/features/string/repeat';
首先在index.js文件中,导入用于导入“babel polyfill”;认为应该是@babel/polyfill。但这并不能解决IE 11的问题
我们遇到了一个类似的问题,不得不切换到CoreJS进行捆绑——你已经有了。但是您需要@babel/core和@babel/runtime-corejs3作为开发依赖项
您的预设需要更改
presets: [
[
"@babel/preset-env", {
"useBuiltIns": "usage",
corejs: { version: 3, proposals: true }
}
]
]
然后替换index.js中的代码
imports babel/polyfill;
与
如果您可以使用typescript,那么我建议您可以转换
tsconfig.js
文件,并将target
更改为es5
如果没有,则创建.babelrc文件,并在其中添加以下内容:
{
“预设”:[
[
“@babel/preset env”,
{
“使用内置项”:“条目”
“forceAllTransforms”:true,
“corejs”:“3.0.0”,
“目标”:{
“ie”:“11”
}
}
]
]
}
这可能不是问题本身,您的源代码可能与IE11不兼容。你能分享你的源代码吗?@MatthewBarbara不幸的是,不能-可能能够提供一个最小的可复制示例AFAIK create react应用程序没有设置IE 11开箱即用。@Squiggs。你能用最小的示例分享回购/代码沙盒吗?
import 'core-js/stable';