Portal

Used to render a component outside the DOM hierarchy of the parent component.

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Anatomy

This component is a utility and does not render any DOM elements.

Import

import { Portal } from '@pluralsight/react'

Usage

Basic

function BasicExample() {
  const [showModal, setShowModal] = useState(false)

  function handleShowModal() {
    setShowModal(true)
  }

  function handleCloseModal() {
    setShowModal(false)
  }

  return (
    <div>
      <FormControlProvider>
        <Button onClick={handleShowModal}>Update</Button>
        <FieldMessage>
          Scroll to the bottom of this page when you click "Update".
        </FieldMessage>
      </FormControlProvider>

      <Show when={showModal} fallback={null}>
        <Portal>
          <div
            style={{
              backgroundColor: 'var(--ps-warning-surface)',
              padding: '3rem',
            }}
          >
            <p>
              This is a "modal" which is rendered outside the DOM hierarchy of
              the parent component. This by default will be rendered in the body
              unless a custom node is provided for the mount prop.
            </p>
            <Button
              startIcon={CloseIcon}
              onClick={handleCloseModal}
              usage="text"
            >
              Close
            </Button>
          </div>
        </Portal>
      </Show>
    </div>
  )
}

Behavior

There are no behaviors associated with this component.

API

Parameters

interface PortalProps {
  mount?: HTMLElement
  key?: string
}

1. mount: The DOM node to mount the portal to. Defaults to document.body.
2. key: The key to use for the portal. Defaults to undefined.

Accessibility

There is no special accessibility considerations for this component.