@wordpress/edit-post/build-module/components/meta-boxes/meta-boxes-area/index.js

Edit Post module for WordPress.

import { createElement } from "@wordpress/element";

/**
 * External dependencies
 */
import classnames from 'classnames';
/**
 * WordPress dependencies
 */

import { Component } from '@wordpress/element';
import { Spinner } from '@wordpress/components';
import { withSelect } from '@wordpress/data';
/**
 * Internal dependencies
 */

import { store as editPostStore } from '../../../store';

class MetaBoxesArea extends Component {
  /**
   * @inheritdoc
   */
  constructor() {
    super(...arguments);
    this.bindContainerNode = this.bindContainerNode.bind(this);
  }
  /**
   * @inheritdoc
   */


  componentDidMount() {
    this.form = document.querySelector('.metabox-location-' + this.props.location);

    if (this.form) {
      this.container.appendChild(this.form);
    }
  }
  /**
   * Get the meta box location form from the original location.
   */


  componentWillUnmount() {
    if (this.form) {
      document.querySelector('#metaboxes').appendChild(this.form);
    }
  }
  /**
   * Binds the metabox area container node.
   *
   * @param {Element} node DOM Node.
   */


  bindContainerNode(node) {
    this.container = node;
  }
  /**
   * @inheritdoc
   */


  render() {
    const {
      location,
      isSaving
    } = this.props;
    const classes = classnames('edit-post-meta-boxes-area', `is-${location}`, {
      'is-loading': isSaving
    });
    return createElement("div", {
      className: classes
    }, isSaving && createElement(Spinner, null), createElement("div", {
      className: "edit-post-meta-boxes-area__container",
      ref: this.bindContainerNode
    }), createElement("div", {
      className: "edit-post-meta-boxes-area__clear"
    }));
  }

}

export default withSelect(select => {
  return {
    isSaving: select(editPostStore).isSavingMetaBoxes()
  };
})(MetaBoxesArea);
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