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Suggest using babel to remove console.* calls #13651

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Suggest using babel to remove console.* calls #13651

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Suggest using babel to remove `console.*` calls
Emilios1995 Apr 25, 2017
fab89a0
Fix typo and replace yarn with npm
Emilios1995 Apr 25, 2017
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11 changes: 11 additions & 0 deletions docs/Performance.md
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Expand Up @@ -73,6 +73,17 @@ This is unavoidable: a lot more work needs to be done at runtime to provide you
When running a bundled app, these statements can cause a big bottleneck in the JavaScript thread.
This includes calls from debugging libraries such as [redux-logger](https://github.com/evgenyrodionov/redux-logger),
so make sure to remove them before bundling.
You can also use this [babel plugin](https://babeljs.io/docs/plugins/transform-remove-console/) that removes all the `console.*` calls. You need to install it first with `npm i babel-plugin-transform-remove-console --save`, and then edit the `.babelrc` file under your project directory like this:
```json
{
"env": {
"production": {
"plugins": ["transform-remove-console"]
}
}
}
```
This will automatically remove all `console.*` calls in the release (production) versions of your project.

### `ListView` initial rendering is too slow or scroll performance is bad for large lists

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