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https://github.com/alex-cory/react-useportal

🌀 React hook for Portals
https://github.com/alex-cory/react-useportal

dialog dropdown javascript lightbox loading-bar modal notification portal react react-hooks react-portal tooltip

Last synced: 3 months ago
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🌀 React hook for Portals

Lists

README 

        


    
usePortal



🌀 React hook for using Portals




    

      

    

    

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      Known Vulnerabilities

    

    

      Known Vulnerabilities

    




Need to make dropdowns, lightboxes/modals/dialogs, global message notifications, or tooltips in React? React Portals provide a first-class way to render children into a DOM node that exists outside the DOM hierarchy of the parent component ([react docs](https://reactjs.org/docs/portals.html)).



This hook is also isomorphic, meaning it works with SSR (server side rendering).





  

    

  




Features

--------

- SSR (server side rendering) support

- TypeScript support

- 1 dependency ([use-ssr](https://github.com/alex-cory/use-ssr))

- Built in state



### Examples

- [SSR Example - Next.js - codesandbox container](https://codesandbox.io/s/useportal-in-nextjs-codesandbox-container-9rm5o) (sometimes buggy, if so try [this example](https://codesandbox.io/s/useportal-in-nextjs-ux9nb))

- [Modal Example (useModal) - create-react-app](https://codesandbox.io/s/w6jp7z4pkk)

- [Dropdown Example (useDropdown) - Next.js](https://codesandbox.io/s/useportal-usedropdown-587fo)

- [Tooltip Example (useTooltip) - Next.js](https://codesandbox.io/s/useportal-usedropdown-dgesf)



Installation

------------



```shell

yarn add react-useportal      or     npm i -S react-useportal

```



Usage

-----



### Stateless

```jsx 

import usePortal from 'react-useportal'



const App = () => {

  const { Portal } = usePortal()



  return (

    

      This text is portaled at the end of document.body!

    

  )

}



const App = () => {

  const { Portal } = usePortal({

    bindTo: document && document.getElementById('san-francisco')

  })



  return (

    

      This text is portaled into San Francisco!

    

  )

}

```



### With State

```jsx 

import usePortal from 'react-useportal'



const App = () => {

  var { openPortal, closePortal, isOpen, Portal } = usePortal()



  // want to use array destructuring? You can do that too

  var [openPortal, closePortal, isOpen, Portal] = usePortal()



  return (

    <>

      

        Open Portal

      

      {isOpen && (

        

          


            This Portal handles its own state.{' '}

            Close me!, hit ESC or

            click outside of me.

          


        

      )}

    >

  )

}

```



### Need Animations?

```jsx 

import usePortal from 'react-useportal'



const App = () => {

  const { openPortal, closePortal, isOpen, Portal } = usePortal()

  return (

    <>

      

        Open Portal

      

      

        


          This Portal handles its own state.{' '}

          Close me!, hit ESC or

          click outside of me.

        


      

    >

  )

}

```



### Customizing the Portal directly

By using `onOpen`, `onClose` or any other event handler, you can modify the `Portal` and return it. See [useDropdown](https://codesandbox.io/s/useportal-usedropdown-587fo) for a working example. If opening the portal from a click event it's important that you pass the `event` object to `openPortal` and `togglePortal` otherwise you will need to attach a `ref` to the clicked element (if you want to be able to open the portal without passing an event you will need to set `programmaticallyOpen` to `true`).



```jsx

const useModal = () => {

  const { isOpen, openPortal, togglePortal, closePortal, Portal } = usePortal({

    onOpen({ portal }) {

      portal.current.style.cssText = `

        /* add your css here for the Portal */

        position: fixed;

        left: 50%;

        top: 50%;

        transform: translate(-50%,-50%);

        z-index: 1000;

      `

    }

  })



  return {

    Modal: Portal,

    openModal: openPortal,

    toggleModal: togglePortal,

    closeModal: closePortal,

    isOpen

  }

}



const App = () => {

  const { openModal, closeModal, isOpen, Modal } = useModal()

  

  return <>

     openModal(e)}>Open Modal

    {isOpen && (

      

        This will dynamically center to the middle of the screen regardless of the size of what you put in here

      

    )}

  >

}

```



**Make sure you are passing the html synthetic event to the `openPortal` and `togglePortal` . i.e. `onClick={e => openPortal(e)}`**



### Usage with a `ref`

If for some reason, you don't want to pass around the `event` to `openPortal` or `togglePortal` and you're not using `programmaticallyOpen`, you can use a `ref` like this.

```jsx

import usePortal from 'react-useportal'



const App = () => {

  var { ref, openPortal, closePortal, isOpen, Portal } = usePortal()



  return (

    <>

      {/* see below how I don't have to pass the event if I use the ref */}

       openPortal()}>

        Open Portal

      

      {isOpen && (

        

          


            This Portal handles its own state.{' '}

            Close me!, hit ESC or

            click outside of me.

          


        

      )}

    >

  )

}

```



Options

-----

| Option                | Description                                                                              |

| --------------------- | ---------------------------------------------------------------------------------------- |

| `closeOnOutsideClick` | This will close the portal when not clicking within the portal. Default is `true` |

| `closeOnEsc`   | This will allow you to hit ESC and it will close the modal. Default is `true`    |

| `bindTo` | This is the DOM node you want to attach the portal to. By default it attaches to `document.body` |

| `isOpen` | This will be the default for the portal. Default is `false` |

| `onOpen` | This is used to call something when the portal is opened and to modify the css of the portal directly |

| `onClose` | This is used to call something when the portal is closed and to modify the css of the portal directly |

| `onPortalClick` | This is fired whenever clicking on the `Portal` |

| html event handlers (i.e. `onClick`) | These can be used instead of `onOpen` to modify the css of the portal directly. [`onMouseEnter` and `onMouseLeave` example](https://codesandbox.io/s/useportal-usedropdown-dgesf) |

| `programmaticallyOpen` | This option allows you to open or toggle the portal without passing in an event. Default is `false` |



### Option Usage



```js

const {

  openPortal,

  closePortal,

  togglePortal,

  isOpen,

  Portal,

  // if you don't pass an event to openPortal, closePortal, or togglePortal and you're not using programmaticallyOpen, you will need

  // to put this on the element you want to interact with/click

  ref,

  // if for some reason you want to interact directly with the portal, you can with this ref

  portalRef,

} = usePortal({

  closeOnOutsideClick: true,

  closeOnEsc: true,

  bindTo, // attach the portal to this node in the DOM

  isOpen: false,

  // `event` has all the fields that a normal `event` would have such as `event.target.value`, etc.

  // with the additional `portal` and `targetEl` added to it as seen in the examples below

  onOpen: (event) => {

    // can access: event.portal, event.targetEl, event.event, event.target, etc.

  },

  // `onClose` will not have an `event` unless you pass an `event` to `closePortal`

  onClose({ portal, targetEl, event }) {},

  // `targetEl` is the element that you either are attaching a `ref` to

  // or that you are putting `openPortal` or `togglePortal` or `closePortal` on

  onPortalClick({ portal, targetEl, event }) {},

  // in addition, any event handler such as onClick, onMouseOver, etc will be handled the same

  onClick({ portal, targetEl, event }) {}

})

```

Todos

------

- [ ] React Native support. [1](https://github.com/zenyr/react-native-portal) [2](https://github.com/cloudflare/react-gateway) [3](https://medium.com/@naorzruk/portals-in-react-native-22797ba8aa1b) [4](https://stackoverflow.com/questions/46505378/can-we-have-react-16-portal-functionality-react-native) [5](https://github.com/callstack/react-native-paper/blob/master/src/components/Portal/PortalManager.tsx) Probably going to have to add a `Provider`...

- [ ] add correct typescript return types

- [ ] add support for popup windows [resource 1](https://javascript.info/popup-windows) [resource 2](https://hackernoon.com/using-a-react-16-portal-to-do-something-cool-2a2d627b0202). Maybe something like

```jsx

  const { openPortal, closePortal, isOpen, Portal } = usePortal({

    popup: ['', '', 'width=600,height=400,left=200,top=200']

  })

  // window.open('', '', 'width=600,height=400,left=200,top=200')

```

- [ ] tests (priority)

- [ ] maybe have a `` then you can change the order of the array destructuring syntax

- [ ] fix code so maintainability is A

- [ ] set up code climate test coverage

- [ ] optimize badges [see awesome badge list](https://github.com/boennemann/badges)

  - [ ] add code climate test coverage badge