Polyfills for StimulusReflex

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The @stimulus_reflex/polyfills package provides support for StimulusReflex and CableReady in older browsers like Internet Explorer 11.

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To include the polyfills you just have to import the package. Typically you want to import it in app/javascript/packs/application.js.

``javascript
// app/javascript/packs/application.js

import '@stimulus_reflex/polyfills'
import 'controllers'

// ...
`

If you have an existing import for @stimulus/polyfills you can safely remove it. The @stimulus/polyfills package is included with @stimulus_reflex/polyfills.


`diff
-import '@stimulus/polyfills'
+import '@stimulus_reflex/polyfills'
`

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This repository contains a few polyfills itself and bundles up polyfills from other packages. The following list shows the included polyfills and where they are coming from:

#### Polyfills included/imported in this package

* Custom
* NodeList.forEach()

* core-js
* String.startsWith()
* String.includes()

#### Polyfills imported from @stimulus/polyfills

* core-js
* Array.find()
* Array.findIndex()
* Array.from()
* Map
* Object.assign()
* Promise
* Reflect.deleteProperty()
* Set
* element-closest
* Element.closest()
* mutation-observer-inner-html-shim
* MutationObserver support for Internet Explorer 11
* eventlistener-polyfill
* once & passive support for Internet Explorer 11 & Edge

#### Polyfills imported from @cable_ready/polyfills

* CustomEvent

* core-js
* Array.flat()
* Array.forEach()
* Array.from()
* Array.includes()
* Object.entries()
* Promise

*