@wordpress/components/build/navigable-container/container.cjs

UI components for WordPress.

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/components/src/navigable-container/container.tsx
var container_exports = {};
__export(container_exports, {
  default: () => container_default
});
module.exports = __toCommonJS(container_exports);
var import_element = require("@wordpress/element");
var import_compose = require("@wordpress/compose");
var import_dom = require("@wordpress/dom");
var import_jsx_runtime = require("react/jsx-runtime");
var noop = () => {
};
var MENU_ITEM_ROLES = ["menuitem", "menuitemradio", "menuitemcheckbox"];
function cycleValue(value, total, offset) {
  const nextValue = value + offset;
  if (nextValue < 0) {
    return total + nextValue;
  } else if (nextValue >= total) {
    return nextValue - total;
  }
  return nextValue;
}
function UnforwardedNavigableContainer({
  children,
  stopNavigationEvents,
  eventToOffset,
  onNavigate = noop,
  onKeyDown,
  cycle = true,
  onlyBrowserTabstops,
  ...restProps
}, ref) {
  const containerRef = (0, import_element.useRef)(null);
  const getFocusableIndex = (0, import_element.useCallback)((focusables, target) => {
    return focusables.indexOf(target);
  }, []);
  const getFocusableContext = (0, import_element.useCallback)((target) => {
    if (!containerRef.current) {
      return null;
    }
    const finder = onlyBrowserTabstops ? import_dom.focus.tabbable : import_dom.focus.focusable;
    const focusables = finder.find(containerRef.current);
    const index = getFocusableIndex(focusables, target);
    if (index > -1 && target) {
      return {
        index,
        target,
        focusables
      };
    }
    return null;
  }, [onlyBrowserTabstops, getFocusableIndex]);
  (0, import_element.useEffect)(() => {
    const container = containerRef.current;
    if (!container) {
      return;
    }
    function handleKeyDown(event) {
      if (onKeyDown) {
        onKeyDown(event);
      }
      const offset = eventToOffset(event);
      if (offset !== void 0 && stopNavigationEvents) {
        event.stopImmediatePropagation();
        const targetRole = event.target?.getAttribute("role");
        const targetHasMenuItemRole = !!targetRole && MENU_ITEM_ROLES.includes(targetRole);
        if (targetHasMenuItemRole) {
          event.preventDefault();
        }
      }
      if (!offset) {
        return;
      }
      const activeElement = event.target?.ownerDocument?.activeElement;
      if (!activeElement) {
        return;
      }
      const context = getFocusableContext(activeElement);
      if (!context) {
        return;
      }
      const {
        index,
        focusables
      } = context;
      const nextIndex = cycle ? cycleValue(index, focusables.length, offset) : index + offset;
      if (nextIndex >= 0 && nextIndex < focusables.length) {
        focusables[nextIndex].focus();
        onNavigate(nextIndex, focusables[nextIndex]);
        if (event.code === "Tab") {
          event.preventDefault();
        }
      }
    }
    container.addEventListener("keydown", handleKeyDown);
    return () => {
      container.removeEventListener("keydown", handleKeyDown);
    };
  }, [onKeyDown, eventToOffset, stopNavigationEvents, cycle, onNavigate, getFocusableContext]);
  const mergedRef = (0, import_compose.useMergeRefs)([containerRef, ref]);
  return /* @__PURE__ */ (0, import_jsx_runtime.jsx)("div", {
    ref: mergedRef,
    ...restProps,
    children
  });
}
var NavigableContainer = (0, import_element.forwardRef)(UnforwardedNavigableContainer);
NavigableContainer.displayName = "NavigableContainer";
var container_default = NavigableContainer;
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