use-stomp
Version:
react provider, class decorator, and a hook for websockets using the stomp protocol
161 lines (149 loc) • 20.6 kB
JavaScript
import "core-js/modules/es.object.get-own-property-descriptor";
import _typeof from "@babel/runtime/helpers/typeof";
import _defineProperty from "@babel/runtime/helpers/defineProperty";
import _slicedToArray from "@babel/runtime/helpers/slicedToArray";
function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }
function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }
import React, { useCallback, useEffect, useMemo, useRef, useState } from 'react';
import SockJS from 'sockjs-client';
import UseStompCtx from './context';
import Stomp from './stomp';
export default /*#__PURE__*/React.memo(function (props) {
var _client$current, _client$current2;
var client = useRef(null);
var _useState = useState(false),
_useState2 = _slicedToArray(_useState, 2),
connected = _useState2[0],
setConnected = _useState2[1];
var packageMessage = useCallback(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("packageMessage", function (channel, msg, optHeaders) {
if (props.packageMessage) {
return props.packageMessage(channel, msg, optHeaders);
}
try {
return _typeof(msg) === 'object' && msg !== null ? JSON.stringify(msg) : msg;
} catch (e) {
return msg;
}
}), [props.packageMessage]);
var parseMessage = useCallback(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("parseMessage", function (channel, msg) {
if (props.parseMessage) {
return props.parseMessage(channel, msg);
}
try {
var parsed = JSON.parse(msg);
return _typeof(parsed) === 'object' && parsed !== null && parsed.content ? parsed.content : parsed;
} catch (e) {
return msg;
}
}), [props.parseMessage]);
var onConnected = useCallback(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("onConnected", function () {
console.log('%c[use-stomp::connected]', 'color: rgb(95,153,63);');
setConnected(function () {
return true;
});
}), []);
var onDisconnected = useCallback(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("onDisconnected", function () {
console.log('%c[use-stomp::disconnected]', 'color: rgb(170,34,23);');
setConnected(function () {
return false;
});
client.current = null;
}), []);
var onError = useCallback(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("onError", function (error) {
console.error('[use-stomp::error]', error);
}), []);
var send = useCallback(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("send", function (channel, msg) {
var optHeaders = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
if (connected) {
client.current.send(channel, optHeaders, packageMessage(channel, msg, optHeaders));
} else {
console.warn('[use-stomp::send]', 'cannot send when websocket is not connected');
}
}), [client.current, connected, packageMessage]);
var subscribe = useCallback(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("subscribe", function (channel, callback) {
try {
return client.current.subscribe(channel, function (msg) {
var body = parseMessage(channel, msg.body);
callback(body, msg.headers.destination);
if (body && body.status === 'END') {
client.current.disconnect();
}
}, props.subscribeHeaders).unsubscribe;
} catch (e) {
throw Error(e);
}
}), [(_client$current = client.current) === null || _client$current === void 0 ? void 0 : _client$current.disconnect, (_client$current2 = client.current) === null || _client$current2 === void 0 ? void 0 : _client$current2.subscribe, parseMessage, props.subscribeHeaders]);
useEffect(function () {
var hasHeaders = props.headers || props.authHeader;
if (hasHeaders && props.url && !connected) {
client.current = Stomp.over(new SockJS(props.url, null, props.options), !!props.debug);
client.current.connect(props.authHeader ? {
Authorization: props.authHeader
} : props.headers, onConnected, onDisconnected, onError);
}
return function () {
if (connected && client.current) {
client.current.disconnect();
}
};
}, [connected, props.authHeader, props.headers, props.url]);
var ctx = useMemo(function (name, callable) {
callable.displayName = name;
Object.defineProperty(callable, "name", _objectSpread(_objectSpread({}, Object.getOwnPropertyDescriptor(callable, "name")), {}, {
value: name
}));
return callable;
}("ctx", function () {
return {
send: send,
subscribe: subscribe,
connected: connected
};
}), [connected, send, subscribe]);
return /*#__PURE__*/React.createElement(UseStompCtx.Provider, {
value: ctx
}, props.children);
});
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React, {useCallback, useEffect, useMemo, useRef, useState} from 'react';\nimport SockJS, {Options} from 'sockjs-client';\nimport type {Client} from 'stompjs';\n\nimport UseStompCtx from './context';\nimport Stomp from './stomp';\n\nexport type UseStompProviderProps = {\n    /**\n     * HTTP to connect\n     */\n    url: string;\n    /**\n     * Add console logs for debugging\n     */\n    debug?: boolean;\n    /**\n     * SockJS Options (https://github.com/sockjs/sockjs-client#sockjs-client-api)\n     */\n    options?: Options;\n    /**\n     * The request auth header will be passed to the server or agent through the STOMP connection frame\n     */\n    authHeader?: string;\n    /**\n     * The request header will be passed to the server or agent through the STOMP connection frame\n     */\n    headers?: Record<string, unknown>;\n    /**\n     * override default parsing of messages\n     */\n    parseMessage?(channel: string, msg: any): any;\n    /**\n     * override default packaging of messages\n     */\n    packageMessage?(channel: string, msg: any, optHeaders: any): any;\n    /**\n     * The request header that will be passed when subscribing to the target\n     */\n    subscribeHeaders?: Record<string, unknown>;\n};\n\nexport default React.memo<UseStompProviderProps>((props) => {\n    const client = useRef<Client>(null);\n\n    const [connected, setConnected] = useState(false);\n\n    const packageMessage = useCallback(\n        (channel, msg, optHeaders) => {\n            if (props.packageMessage) {\n                return props.packageMessage(channel, msg, optHeaders);\n            }\n\n            try {\n                return typeof msg === 'object' && msg !== null\n                    ? JSON.stringify(msg)\n                    : msg;\n            } catch (e) {\n                return msg;\n            }\n        },\n        [props.packageMessage]\n    );\n\n    const parseMessage = useCallback(\n        (channel, msg) => {\n            if (props.parseMessage) {\n                return props.parseMessage(channel, msg);\n            }\n\n            try {\n                const parsed = JSON.parse(msg);\n\n                return typeof parsed === 'object' &&\n                    parsed !== null &&\n                    parsed.content\n                    ? parsed.content\n                    : parsed;\n            } catch (e) {\n                return msg;\n            }\n        },\n        [props.parseMessage]\n    );\n\n    const onConnected = useCallback(() => {\n        console.log('%c[use-stomp::connected]', 'color: rgb(95,153,63);');\n        setConnected(() => true);\n    }, []);\n\n    const onDisconnected = useCallback(() => {\n        console.log('%c[use-stomp::disconnected]', 'color: rgb(170,34,23);');\n        setConnected(() => false);\n        client.current = null;\n    }, []);\n\n    const onError = useCallback((error) => {\n        console.error('[use-stomp::error]', error);\n    }, []);\n\n    const send = useCallback(\n        (channel, msg, optHeaders = {}) => {\n            if (connected) {\n                client.current.send(\n                    channel,\n                    optHeaders,\n                    packageMessage(channel, msg, optHeaders)\n                );\n            } else {\n                console.warn(\n                    '[use-stomp::send]',\n                    'cannot send when websocket is not connected'\n                );\n            }\n        },\n        [client.current, connected, packageMessage]\n    );\n\n    const subscribe = useCallback(\n        (channel, callback) => {\n            try {\n                return client.current.subscribe(\n                    channel,\n                    (msg: any) => {\n                        const body = parseMessage(channel, msg.body);\n\n                        callback(body, msg.headers.destination);\n\n                        if (body && body.status === 'END') {\n                            (client.current.disconnect as any)();\n                        }\n                    },\n                    props.subscribeHeaders\n                ).unsubscribe;\n            } catch (e) {\n                throw Error(e);\n            }\n        },\n        [\n            client.current?.disconnect,\n            client.current?.subscribe,\n            parseMessage,\n            props.subscribeHeaders\n        ]\n    );\n\n    useEffect(() => {\n        const hasHeaders = props.headers || props.authHeader;\n\n        if (hasHeaders && props.url && !connected) {\n            client.current = Stomp.over(\n                new SockJS(props.url, null, props.options),\n                !!props.debug\n            );\n\n            (client.current.connect as any)(\n                props.authHeader\n                    ? {Authorization: props.authHeader}\n                    : props.headers,\n                onConnected,\n                onDisconnected,\n                onError\n            );\n        }\n\n        return () => {\n            if (connected && client.current) {\n                (client.current.disconnect as any)();\n            }\n        };\n    }, [connected, props.authHeader, props.headers, props.url]);\n\n    const ctx = useMemo(\n        () => ({\n            send,\n            subscribe,\n            connected\n        }),\n        [connected, send, subscribe]\n    );\n\n    return (\n        <UseStompCtx.Provider value={ctx}>\n            {props.children}\n        </UseStompCtx.Provider>\n    );\n});\n"]}