expo-router/build/react-navigation/core/useRegisterNavigator.js

Expo Router is a file-based router for React Native and web applications.

'use client';
"use strict";
Object.defineProperty(exports, "__esModule", {
    value: true
});
Object.defineProperty(exports, "useRegisterNavigator", {
    enumerable: true,
    get: function() {
        return useRegisterNavigator;
    }
});
function _nonsecure() {
    const data = require("nanoid/non-secure");
    _nonsecure = function() {
        return data;
    };
    return data;
}
function _react() {
    const data = /*#__PURE__*/ _interop_require_wildcard(require("react"));
    _react = function() {
        return data;
    };
    return data;
}
const _EnsureSingleNavigator = require("./EnsureSingleNavigator");
function _getRequireWildcardCache(nodeInterop) {
    if (typeof WeakMap !== "function") return null;
    var cacheBabelInterop = new WeakMap();
    var cacheNodeInterop = new WeakMap();
    return (_getRequireWildcardCache = function(nodeInterop) {
        return nodeInterop ? cacheNodeInterop : cacheBabelInterop;
    })(nodeInterop);
}
function _interop_require_wildcard(obj, nodeInterop) {
    if (!nodeInterop && obj && obj.__esModule) {
        return obj;
    }
    if (obj === null || typeof obj !== "object" && typeof obj !== "function") {
        return {
            default: obj
        };
    }
    var cache = _getRequireWildcardCache(nodeInterop);
    if (cache && cache.has(obj)) {
        return cache.get(obj);
    }
    var newObj = {
        __proto__: null
    };
    var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor;
    for(var key in obj){
        if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) {
            var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null;
            if (desc && (desc.get || desc.set)) {
                Object.defineProperty(newObj, key, desc);
            } else {
                newObj[key] = obj[key];
            }
        }
    }
    newObj.default = obj;
    if (cache) {
        cache.set(obj, newObj);
    }
    return newObj;
}
function useRegisterNavigator() {
    const [key] = _react().useState(()=>(0, _nonsecure().nanoid)());
    const container = (0, _react().use)(_EnsureSingleNavigator.SingleNavigatorContext);
    if (container === undefined) {
        throw new Error("Couldn't register the navigator. Have you wrapped your app with 'NavigationContainer'?\n\nThis can also happen if there are multiple copies of '@react-navigation' packages installed.");
    }
    _react().useEffect(()=>{
        const { register, unregister } = container;
        register(key);
        return ()=>unregister(key);
    }, [
        container,
        key
    ]);
}

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