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Doc fixes to @vue/babel preset app #6544

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Update babel-preset-app README.md with cli.vuejs.org browser-compatib… 
…ility section
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Ivan Germanov committed Jun 24, 2021
commit d6c38a6fc0568af10e6a1356c198b1a8e9b622e0
2 changes: 1 addition & 1 deletion packages/@vue/babel-preset-app/README.md
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Expand Up @@ -72,7 +72,7 @@ Note that the usage detection does not apply to your dependencies (which are exc

2. **If the dependency ships ES5 code and explicitly lists the polyfills needed:** you can pre-include the needed polyfills using the [polyfills](#polyfills) option for this preset.

3. **If the dependency ships ES5 code, but uses ES6+ features without explicitly listing polyfill requirements (e.g. Vuetify):** Use `useBuiltIns: 'entry'` and then add `import '@babel/polyfill'` to your entry file. This will import **ALL** polyfills based on your `browserslist` targets so that you don't need to worry about dependency polyfills anymore, but will likely increase your final bundle size with some unused polyfills.
3. **If the dependency ships ES5 code, but uses ES6+ features without explicitly listing polyfill requirements (e.g. Vuetify):** Use `useBuiltIns: 'entry'` and then add `import 'core-js/stable';` `import 'regenerator-runtime/runtime';` to your entry file. This will import **ALL** polyfills based on your `browserslist` targets so that you don't need to worry about dependency polyfills anymore, but will likely increase your final bundle size with some unused polyfills.

See [@babel/preset-env docs](https://new.babeljs.io/docs/en/next/babel-preset-env.html#usebuiltins-usage) for more details.

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