use-neo4j/dist/neo4j.provider.js

<div style="text-align:center"> <h1>React Hooks For Neo4j</h1>

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.Neo4jProvider = void 0;
var react_1 = __importStar(require("react"));
var login_1 = require("./components/login");
var neo4j_context_1 = require("./neo4j.context");
var driver_1 = require("./driver");
var neo4j_config_interface_1 = require("./neo4j-config.interface");
exports.Neo4jProvider = function (props) {
    var configFromStorage = (window.localStorage ? JSON.parse(window.localStorage.getItem(neo4j_config_interface_1.LOCAL_STORAGE_KEY) || '{}') : {});
    var _a = react_1.useState(true), authenticating = _a[0], setAuthenticating = _a[1];
    var _b = react_1.useState(configFromStorage), config = _b[0], setConfig = _b[1];
    var _c = react_1.useState(props.driver), driver = _c[0], setDriver = _c[1];
    var _d = react_1.useState(), error = _d[0], setError = _d[1];
    var _e = react_1.useState(props.database), database = _e[0], setDatabase = _e[1];
    var updateConnection = function (config) {
        setConfig(config);
        setDatabase(database);
        setAuthenticating(true);
        var newDriver = driver_1.createDriver(config.scheme, config.host, config.port, config.username, config.password);
        newDriver.verifyConnectivity()
            .then(function () {
            setDriver(newDriver);
            window.localStorage.setItem(neo4j_config_interface_1.LOCAL_STORAGE_KEY, JSON.stringify(config));
        })
            .catch(function (e) { return setError(e); })
            .finally(function () { return setAuthenticating(false); });
    };
    react_1.useEffect(function () {
        // Has Driver been Passed?
        if (props.driver) {
            props.driver.verifyConnectivity()
                .catch(function (e) { return setError(e); })
                .finally(function () {
                setDriver(props.driver);
                setAuthenticating(false);
            });
        }
        // Has a connection string been provided to the url?
        else {
            setAuthenticating(false);
        }
    }, [driver]);
    // Test driver passed as a prop or url search params
    react_1.useEffect(function () {
        if (props.driver !== undefined) {
            return;
        }
        var searchParams = new URLSearchParams(window.location.search);
        // Attempt to connect from URL parameters
        var urlScheme, urlHost, urlPort;
        if (searchParams.has('url')) {
            var url = searchParams.get('url');
            var matches = url.match(/^((neo4j|bolt)((\+s?(sc)?)?):\/\/)?([\w.]+)(:([0-9]+))?$/);
            if (matches) {
                urlScheme = matches[2] || 'neo4j';
                urlHost = matches[6];
                urlPort = matches[8] || 7687;
            }
        }
        if (urlScheme && urlHost && urlPort) {
            // Build Credentials
            var username = searchParams.get('user') || undefined;
            var password = searchParams.get('pass') || undefined;
            // Attempt to Connect
            var config_1 = {
                scheme: urlScheme || 'neo4j',
                host: urlHost || 'localhost',
                port: urlPort || 7687,
                username: username,
                password: password,
                database: searchParams.get('database') || undefined
            };
            updateConnection(config_1);
        }
    }, [props.driver]);
    // Wait for effect to verify driver connectivity
    if (authenticating) {
        return (react_1.default.createElement("div", { className: "authenticating" }));
    }
    if (!driver) {
        var title = props.title, logo = props.logo, details = props.details, footer = props.footer;
        return (react_1.default.createElement(login_1.Login, __assign({ error: error, title: title, logo: logo, details: details, footer: footer, scheme: config.scheme, host: config.host, port: config.port, username: config.username, password: config.password, database: config.database, showActive: props.showActive, showHost: props.showHost, showDatabase: props.showDatabase, onSubmit: updateConnection }, props)));
    }
    return (react_1.default.createElement(neo4j_context_1.Neo4jContext.Provider, { value: { driver: driver, config: config, database: database, updateConnection: updateConnection, setDatabase: setDatabase, } }, props.children));
};