@pubsweet/ui/src/molecules/modal/ModalProvider.jsx

React component library for use in pubsweet apps

import React, { useState } from 'react'
import { createPortal } from 'react-dom'

import ModalOverlay from './ModalOverlay'
import ModalContext from './ModalContext'

function ModalProvider({ children }) {
  const [modalState, setModalVisibility] = useState({
    isVisibile: false,
    dismissable: false,
    component: undefined,
    modalProps: {},
  })

  const hideModal = () => {
    setModalVisibility({
      isVisibile: false,
    })
  }

  const showModal = ({ component, dismissable, modalProps }) => {
    setModalVisibility({
      isVisibile: true,
      component,
      dismissable,
      modalProps,
    })
  }
  return (
    <ModalContext.Provider
      value={{
        showModal,
        hideModal,
        isVisibile: modalState.isVisible,
      }}
    >
      {modalState.isVisibile && (
        <Portal hideModal={hideModal} modalState={modalState} />
      )}
      {children}
    </ModalContext.Provider>
  )
}

const Portal = ({ modalState, hideModal }) =>
  createPortal(
    <ModalOverlay
      justifyContent={
        modalState.modalProps ? modalState.modalProps.justifyContent : undefined
      }
      onClick={modalState.dismissable ? hideModal : undefined}
    >
      {modalState.component({
        hideModal,
        ...modalState.modalProps,
      })}
    </ModalOverlay>,
    document.body,
  )

export default ModalProvider