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Viewing file:     server.js (5.08 KB)      -rw-r--r--

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.RequestError = exports.HomebridgePluginUiServer = void 0;
/**
 * Homebridge Custom Plugin UI Base Class
 * This provides the api to facilitate two way communication between a plugin
 * custom UI HTML code and the server.
 *
 * This is a base class and is intended to be extended.
 *
 * @example
 * ```ts
 * class MyPluginUiServer extends HomebridgePluginUiServer {
 *   constructor() {
 *     // this MUST be called first
 *     super();
 *
 *     // this MUST be called to let the UI know your script is ready for requests
 *     this.ready();
 *
 *     // example handling requests
 *     this.onRequest('/hello', (payload) => {
 *       return { hello: 'world' };
 *     });
 *   }
 * }
 *
 * // start the class
 * (() => {
 *  return new MyPluginUiServer();
 * })();
 * ```
 */
class HomebridgePluginUiServer {
    constructor() {
        this.handlers = {};
        if (!process.send) {
            console.error('This script can only run as a child process.');
            process.exit(1);
        }
        process.addListener('message', (request) => {
            switch (request.action) {
                case 'request': {
                    this.processRequest(request);
                }
            }
        });
    }
    get homebridgeStoragePath() {
        return process.env.HOMEBRIDGE_STORAGE_PATH;
    }
    get homebridgeConfigPath() {
        return process.env.HOMEBRIDGE_CONFIG_PATH;
    }
    get homebridgeUiVersion() {
        return process.env.HOMEBRIDGE_UI_VERSION;
    }
    sendResponse(request, data, success = true) {
        if (!process.send) {
            return;
        }
        process.send({
            action: 'response',
            payload: {
                requestId: request.requestId,
                success: success,
                data: data,
            },
        });
    }
    async processRequest(request) {
        if (this.handlers[request.path]) {
            try {
                console.log('Incoming Request:', request.path);
                const resp = await this.handlers[request.path](request.body || {});
                return this.sendResponse(request, resp, true);
            }
            catch (e) {
                if (e instanceof RequestError) {
                    return this.sendResponse(request, { message: e.message, error: e.requestError }, false);
                }
                else {
                    console.error(e);
                    return this.sendResponse(request, { message: e.message }, false);
                }
            }
        }
        else {
            console.error('No Registered Handler:', request.path);
            return this.sendResponse(request, { message: 'Not Found', path: request.path }, false);
        }
    }
    /**
     * Let the server and UI know you are ready to receive requests.
     * This method must be called when you are ready to process requests!
     * @example
     * ```ts
     * this.ready();
     * ```
     */
    ready() {
        if (!process.send) {
            return;
        }
        process.send({
            action: 'ready',
            payload: {
                server: true,
            },
        });
    }
    /**
     * Register a new request handler for a given route.
     * @param path the request route name
     * @param fn the function to handle the request and provide a response
     *
     * @example
     * ```ts
     * this.onRequest('/hello', async (payload) => {
     *  return {hello: 'user'};
     * });
     * ```
     *
     * You can then make requests to this endpoint from the client / ui using `homebridge.request`:
     * @example
     * ```ts
     * homebridge.request('/hello', {some: 'payload data'});
     * ```
     *
     */
    onRequest(path, fn) {
        this.handlers[path] = fn;
    }
    /**
     * Push an event or stream data to the UI.
     * @param event the event name, the plugin UI can listen for this event
     * @param data the data to send
     *
     * @example
     * ```ts
     * this.pushEvent('my-event', {some: 'data'});
     * ```
     *
     * In the client / ui, you would then listen to this event using `homebridge.addEventListener`:
     *
     * @example
     * ```ts
     * homebridge.addEventListener('my-event', (event) => {
     *   // do something with the event
     * });
     * ```
     */
    pushEvent(event, data) {
        if (!process.send) {
            return;
        }
        process.send({
            action: 'stream',
            payload: {
                event: event,
                data: data,
            },
        });
    }
}
exports.HomebridgePluginUiServer = HomebridgePluginUiServer;
class RequestError extends Error {
    constructor(message, requestError) {
        super(message);
        Object.setPrototypeOf(this, RequestError.prototype);
        this.requestError = requestError;
    }
}
exports.RequestError = RequestError;
setInterval(() => {
    if (!process.connected) {
        process.kill(process.pid, 'SIGTERM');
    }
}, 10000);
process.on('disconnect', () => {
    process.kill(process.pid, 'SIGTERM');
});
//# sourceMappingURL=server.js.map