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?? Viewing: Sortable.js

import { createElement, Component } from '@wordpress/element'
import SortableJS from './sortablejs'

const store = {
	nextSibling: null,
	activeComponent: null,
}

class Sortable extends Component {
	static defaultProps = {
		options: {},
		tag: 'div',
		style: {},
	}

	sortable = null

	componentDidMount() {
		const options = { ...this.props.options }

		;[
			'onChoose',
			'onStart',
			'onEnd',
			'onAdd',
			'onUpdate',
			'onSort',
			'onRemove',
			'onFilter',
			'onMove',
			'onClone',
		].forEach((name) => {
			const eventHandler = options[name]

			options[name] = (...params) => {
				const [evt] = params

				if (name === 'onChoose') {
					store.nextSibling = evt.item.nextElementSibling
					store.activeComponent = this
				} else if (
					(name === 'onAdd' || name === 'onUpdate') &&
					this.props.onChange
				) {
					const items = this.sortable.toArray()
					const remote = store.activeComponent
					const remoteItems = remote.sortable.toArray()

					const referenceNode =
						store.nextSibling &&
						store.nextSibling.parentNode !== null
							? store.nextSibling
							: null

					evt.from.insertBefore(evt.item, referenceNode)
					if (remote !== this) {
						const remoteOptions = remote.props.options || {}

						if (
							typeof remoteOptions.group === 'object' &&
							remoteOptions.group.pull === 'clone'
						) {
							// Remove the node with the same data-reactid
							// evt.item.parentNode.removeChild(evt.item)
							;[...evt.item.parentNode.children]
								.filter(
									(el) =>
										el.dataset.id === evt.item.dataset.id &&
										el !== evt.item
								)
								.map((el) => el.remove())
						}

						setTimeout(() => {
							remote.props.onChange &&
								remote.props.onChange(
									remoteItems,
									remote.sortable,
									evt
								)
						})
					}

					this.props.onChange &&
						this.props.onChange(items, this.sortable, evt)
				}

				if (evt.type === 'move') {
					const [evt, originalEvent] = params
					const canMove = eventHandler
						? eventHandler(evt, originalEvent)
						: true
					return canMove
				}

				setTimeout(() => {
					eventHandler && eventHandler(evt)
				}, 0)
			}
		})

		this.sortable = SortableJS.create(this.node, options)
	}

	componentWillUnmount() {
		if (this.sortable) {
			this.sortable.destroy()
			this.sortable = null
		}
	}

	render() {
		const { tag: Component, options, onChange, ...props } = this.props

		return <Component {...props} ref={(node) => (this.node = node)} />
	}
}

export default Sortable

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