@navikt/ds-react/cjs/overlays/floating-menu/parts/RovingFocus.js

React components from the Norwegian Labour and Welfare Administration.

"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
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}) : (function(o, m, k, k2) {
    if (k2 === undefined) k2 = k;
    o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
    Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
    o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
    var ownKeys = function(o) {
        ownKeys = Object.getOwnPropertyNames || function (o) {
            var ar = [];
            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
            return ar;
        };
        return ownKeys(o);
    };
    return function (mod) {
        if (mod && mod.__esModule) return mod;
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        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
        __setModuleDefault(result, mod);
        return result;
    };
})();
var __rest = (this && this.__rest) || function (s, e) {
    var t = {};
    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)
        t[p] = s[p];
    if (s != null && typeof Object.getOwnPropertySymbols === "function")
        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {
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                t[p[i]] = s[p[i]];
        }
    return t;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.RovingFocus = void 0;
const react_1 = __importStar(require("react"));
const Slot_1 = require("../../../slot/Slot");
const composeEventHandlers_1 = require("../../../util/composeEventHandlers");
const hooks_1 = require("../../../util/hooks");
const owner_1 = require("../../../util/owner");
const ENTRY_FOCUS = "rovingFocusGroup.onEntryFocus";
const EVENT_OPTIONS = { bubbles: false, cancelable: true };
const RovingFocus = (0, react_1.forwardRef)((_a, ref) => {
    var { children, asChild, descendants, onKeyDown, onEntryFocus, onMouseDown, onFocus } = _a, rest = __rest(_a, ["children", "asChild", "descendants", "onKeyDown", "onEntryFocus", "onMouseDown", "onFocus"]);
    const _ref = react_1.default.useRef(null);
    const composedRefs = (0, hooks_1.useMergeRefs)(ref, _ref);
    const handleEntryFocus = (0, hooks_1.useCallbackRef)(onEntryFocus);
    const isMouseFocusRef = (0, react_1.useRef)(false);
    (0, react_1.useEffect)(() => {
        const node = _ref.current;
        if (node) {
            node.addEventListener(ENTRY_FOCUS, handleEntryFocus);
            return () => node.removeEventListener(ENTRY_FOCUS, handleEntryFocus);
        }
    }, [handleEntryFocus]);
    const handleKeyDown = (0, react_1.useCallback)((event) => {
        const loop = false;
        const ownerDoc = (0, owner_1.ownerDocument)(_ref === null || _ref === void 0 ? void 0 : _ref.current);
        const idx = descendants
            .values()
            .findIndex((x) => x.node.isSameNode(ownerDoc.activeElement));
        const nextItem = () => {
            var _a;
            const next = descendants.nextEnabled(idx, loop);
            (_a = next === null || next === void 0 ? void 0 : next.node) === null || _a === void 0 ? void 0 : _a.focus();
        };
        const prevItem = () => {
            var _a;
            const prev = descendants.prevEnabled(idx, loop);
            (_a = prev === null || prev === void 0 ? void 0 : prev.node) === null || _a === void 0 ? void 0 : _a.focus();
        };
        const firstItem = () => {
            var _a;
            const first = descendants.firstEnabled();
            (_a = first === null || first === void 0 ? void 0 : first.node) === null || _a === void 0 ? void 0 : _a.focus();
        };
        const lastItem = () => {
            var _a;
            const last = descendants.lastEnabled();
            (_a = last === null || last === void 0 ? void 0 : last.node) === null || _a === void 0 ? void 0 : _a.focus();
        };
        const keyMap = {
            ArrowUp: prevItem,
            ArrowDown: nextItem,
            Home: firstItem,
            End: lastItem,
        };
        const action = keyMap[event.key];
        if (action) {
            event.preventDefault();
            action(event);
        }
    }, [descendants]);
    const Comp = asChild ? Slot_1.Slot : "div";
    return (react_1.default.createElement(Comp, Object.assign({ ref: composedRefs }, rest, { tabIndex: descendants.enabledCount() === 0 ? -1 : 0, style: Object.assign({ outline: "none" }, rest.style), onKeyDown: (0, composeEventHandlers_1.composeEventHandlers)(onKeyDown, handleKeyDown), onMouseDown: (0, composeEventHandlers_1.composeEventHandlers)(onMouseDown, () => {
            isMouseFocusRef.current = true;
        }), onFocus: (0, composeEventHandlers_1.composeEventHandlers)(onFocus, (event) => {
            var _a;
            if (event.target === event.currentTarget) {
                const entryFocusEvent = new CustomEvent(ENTRY_FOCUS, EVENT_OPTIONS);
                event.currentTarget.dispatchEvent(entryFocusEvent);
                if (!entryFocusEvent.defaultPrevented) {
                    (_a = descendants.firstEnabled()) === null || _a === void 0 ? void 0 : _a.node.focus({ preventScroll: true });
                }
            }
            isMouseFocusRef.current = false;
        }) }), children));
});
exports.RovingFocus = RovingFocus;
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