@wordpress/edit-post/build-module/components/fullscreen-mode/index.js

import _classCallCheck from "@babel/runtime/helpers/esm/classCallCheck";
import _createClass from "@babel/runtime/helpers/esm/createClass";
import _possibleConstructorReturn from "@babel/runtime/helpers/esm/possibleConstructorReturn";
import _getPrototypeOf from "@babel/runtime/helpers/esm/getPrototypeOf";
import _inherits from "@babel/runtime/helpers/esm/inherits";

/**
 * WordPress dependencies
 */
import { Component } from '@wordpress/element';
import { withSelect } from '@wordpress/data';
export var FullscreenMode =
/*#__PURE__*/
function (_Component) {
  _inherits(FullscreenMode, _Component);

  function FullscreenMode() {
    _classCallCheck(this, FullscreenMode);

    return _possibleConstructorReturn(this, _getPrototypeOf(FullscreenMode).apply(this, arguments));
  }

  _createClass(FullscreenMode, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.isSticky = false;
      this.sync(); // `is-fullscreen-mode` is set in PHP as a body class by Gutenberg, and this causes
      // `sticky-menu` to be applied by WordPress and prevents the admin menu being scrolled
      // even if `is-fullscreen-mode` is then removed. Let's remove `sticky-menu` here as
      // a consequence of the FullscreenMode setup

      if (document.body.classList.contains('sticky-menu')) {
        this.isSticky = true;
        document.body.classList.remove('sticky-menu');
      }
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      if (this.isSticky) {
        document.body.classList.add('sticky-menu');
      }
    }
  }, {
    key: "componentDidUpdate",
    value: function componentDidUpdate(prevProps) {
      if (this.props.isActive !== prevProps.isActive) {
        this.sync();
      }
    }
  }, {
    key: "sync",
    value: function sync() {
      var isActive = this.props.isActive;

      if (isActive) {
        document.body.classList.add('is-fullscreen-mode');
      } else {
        document.body.classList.remove('is-fullscreen-mode');
      }
    }
  }, {
    key: "render",
    value: function render() {
      return null;
    }
  }]);

  return FullscreenMode;
}(Component);
export default withSelect(function (select) {
  return {
    isActive: select('core/edit-post').isFeatureActive('fullscreenMode')
  };
})(FullscreenMode);
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