@wordpress/components/build/panel/body.js

UI components for WordPress.

"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.PanelBody = PanelBody;
exports.default = void 0;

var _element = require("@wordpress/element");

var _extends2 = _interopRequireDefault(require("@babel/runtime/helpers/extends"));

var _classnames = _interopRequireDefault(require("classnames"));

var _lodash = require("lodash");

var _compose = require("@wordpress/compose");

var _icons = require("@wordpress/icons");

var _button = _interopRequireDefault(require("../button"));

var _icon = _interopRequireDefault(require("../icon"));

var _utils = require("../utils");

/**
 * External dependencies
 */

/**
 * WordPress dependencies
 */

/**
 * Internal dependencies
 */
function PanelBody({
  buttonProps = {},
  children,
  className,
  icon,
  initialOpen,
  onToggle = _lodash.noop,
  opened,
  title,
  scrollAfterOpen = true
}, ref) {
  const [isOpened, setIsOpened] = (0, _utils.useControlledState)(opened, {
    initial: initialOpen === undefined ? true : initialOpen
  });
  const nodeRef = (0, _element.useRef)(); // Defaults to 'smooth' scrolling
  // https://developer.mozilla.org/en-US/docs/Web/API/Element/scrollIntoView

  const scrollBehavior = (0, _compose.useReducedMotion)() ? 'auto' : 'smooth';

  const handleOnToggle = event => {
    event.preventDefault();
    const next = !isOpened;
    setIsOpened(next);
    onToggle(next);
  }; // Ref is used so that the effect does not re-run upon scrollAfterOpen changing value


  const scrollAfterOpenRef = (0, _element.useRef)();
  scrollAfterOpenRef.current = scrollAfterOpen; // Runs after initial render

  (0, _utils.useUpdateEffect)(() => {
    var _nodeRef$current;

    if (isOpened && scrollAfterOpenRef.current && (_nodeRef$current = nodeRef.current) !== null && _nodeRef$current !== void 0 && _nodeRef$current.scrollIntoView) {
      /*
       * Scrolls the content into view when visible.
       * This improves the UX when there are multiple stacking <PanelBody />
       * components in a scrollable container.
       */
      nodeRef.current.scrollIntoView({
        inline: 'nearest',
        block: 'nearest',
        behavior: scrollBehavior
      });
    }
  }, [isOpened, scrollBehavior]);
  const classes = (0, _classnames.default)('components-panel__body', className, {
    'is-opened': isOpened
  });
  return (0, _element.createElement)("div", {
    className: classes,
    ref: (0, _compose.useMergeRefs)([nodeRef, ref])
  }, (0, _element.createElement)(PanelBodyTitle, (0, _extends2.default)({
    icon: icon,
    isOpened: isOpened,
    onClick: handleOnToggle,
    title: title
  }, buttonProps)), typeof children === 'function' ? children({
    opened: isOpened
  }) : isOpened && children);
}

const PanelBodyTitle = (0, _element.forwardRef)(({
  isOpened,
  icon,
  title,
  ...props
}, ref) => {
  if (!title) return null;
  return (0, _element.createElement)("h2", {
    className: "components-panel__body-title"
  }, (0, _element.createElement)(_button.default, (0, _extends2.default)({
    className: "components-panel__body-toggle",
    "aria-expanded": isOpened,
    ref: ref
  }, props), (0, _element.createElement)("span", {
    "aria-hidden": "true"
  }, (0, _element.createElement)(_icon.default, {
    className: "components-panel__arrow",
    icon: isOpened ? _icons.chevronUp : _icons.chevronDown
  })), title, icon && (0, _element.createElement)(_icon.default, {
    icon: icon,
    className: "components-panel__icon",
    size: 20
  })));
});
const ForwardedComponent = (0, _element.forwardRef)(PanelBody);
ForwardedComponent.displayName = 'PanelBody';
var _default = ForwardedComponent;
exports.default = _default;
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