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Use Webpack 5 and Babel 7 to create JavaScript bundle for Internet Explorer 11 (IE11, IE 11)
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export default 'Hello!' |
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/* | |
* Test file for IE 11 that uses modern JavaScript | |
*/ | |
import greeting from './Greeting' | |
window.addEventListener('load', async () => { | |
const o = { | |
greeting: await Promise.resolve(greeting) | |
} | |
console.log( | |
o, | |
Object.entries(o), | |
Object.keys(o), | |
Object.values(o), | |
) | |
}) |
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{ | |
"browserslist": [ | |
"ie 11" | |
], | |
"scripts": { | |
"dev": "webpack -w", | |
"build": "webpack" | |
}, | |
"devDependencies": { | |
"@babel/core": "^7.12.9", | |
"@babel/preset-env": "^7.12.7", | |
"babel-loader": "^8.2.2", | |
"core-js": "^3.8.0", | |
"webpack": "^5.8.0", | |
"webpack-cli": "^4.2.0" | |
} | |
} |
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module.exports = { | |
entry: './index.js', | |
module: { | |
rules: [{ | |
test: /\.m?js$/, | |
exclude: /node_modules/, | |
use: { | |
loader: 'babel-loader', | |
options: { | |
presets: [ | |
['@babel/preset-env', { | |
useBuiltIns: 'usage', | |
corejs: 3 | |
}] | |
] | |
} | |
} | |
}] | |
} | |
} |
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