@wordpress/compose/build/hooks/use-constrained-tabbing/index.js

WordPress higher-order components (HOCs).

"use strict";
var __create = Object.create;
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __getProtoOf = Object.getPrototypeOf;
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 __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
  // If the importer is in node compatibility mode or this is not an ESM
  // file that has been converted to a CommonJS file using a Babel-
  // compatible transform (i.e. "__esModule" has not been set), then set
  // "default" to the CommonJS "module.exports" for node compatibility.
  isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
  mod
));
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// packages/compose/src/hooks/use-constrained-tabbing/index.js
var use_constrained_tabbing_exports = {};
__export(use_constrained_tabbing_exports, {
  default: () => use_constrained_tabbing_default
});
module.exports = __toCommonJS(use_constrained_tabbing_exports);
var import_dom = require("@wordpress/dom");
var import_use_ref_effect = __toESM(require("../use-ref-effect"));
function useConstrainedTabbing() {
  return (0, import_use_ref_effect.default)((node) => {
    function onKeyDown(event) {
      const { key, shiftKey, target } = event;
      if (key !== "Tab") {
        return;
      }
      const action = shiftKey ? "findPrevious" : "findNext";
      const nextElement = import_dom.focus.tabbable[action](
        /** @type {HTMLElement} */
        target
      ) || null;
      if (
        /** @type {HTMLElement} */
        target.contains(nextElement)
      ) {
        event.preventDefault();
        nextElement?.focus();
        return;
      }
      if (node.contains(nextElement)) {
        return;
      }
      const domAction = shiftKey ? "append" : "prepend";
      const { ownerDocument } = node;
      const trap = ownerDocument.createElement("div");
      trap.tabIndex = -1;
      node[domAction](trap);
      trap.addEventListener("blur", () => node.removeChild(trap));
      trap.focus();
    }
    node.addEventListener("keydown", onKeyDown);
    return () => {
      node.removeEventListener("keydown", onKeyDown);
    };
  }, []);
}
var use_constrained_tabbing_default = useConstrainedTabbing;
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