Initial commit: New MoreminiMore website with fresh design

node_modules/@libsql/client/lib-cjs/ws.js

@@ -0,0 +1,395 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (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 (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.WsTransaction = exports.WsClient = exports._createClient = exports.createClient = void 0;
+const hrana = __importStar(require("@libsql/hrana-client"));
+const api_1 = require("@libsql/core/api");
+const config_1 = require("@libsql/core/config");
+const hrana_js_1 = require("./hrana.js");
+const sql_cache_js_1 = require("./sql_cache.js");
+const uri_1 = require("@libsql/core/uri");
+const util_1 = require("@libsql/core/util");
+const promise_limit_1 = __importDefault(require("promise-limit"));
+__exportStar(require("@libsql/core/api"), exports);
+function createClient(config) {
+    return _createClient((0, config_1.expandConfig)(config, false));
+}
+exports.createClient = createClient;
+/** @private */
+function _createClient(config) {
+    if (config.scheme !== "wss" && config.scheme !== "ws") {
+        throw new api_1.LibsqlError('The WebSocket client supports only "libsql:", "wss:" and "ws:" URLs, ' +
+            `got ${JSON.stringify(config.scheme + ":")}. For more information, please read ${util_1.supportedUrlLink}`, "URL_SCHEME_NOT_SUPPORTED");
+    }
+    if (config.encryptionKey !== undefined) {
+        throw new api_1.LibsqlError("Encryption key is not supported by the remote client.", "ENCRYPTION_KEY_NOT_SUPPORTED");
+    }
+    if (config.scheme === "ws" && config.tls) {
+        throw new api_1.LibsqlError(`A "ws:" URL cannot opt into TLS by using ?tls=1`, "URL_INVALID");
+    }
+    else if (config.scheme === "wss" && !config.tls) {
+        throw new api_1.LibsqlError(`A "wss:" URL cannot opt out of TLS by using ?tls=0`, "URL_INVALID");
+    }
+    const url = (0, uri_1.encodeBaseUrl)(config.scheme, config.authority, config.path);
+    let client;
+    try {
+        client = hrana.openWs(url, config.authToken);
+    }
+    catch (e) {
+        if (e instanceof hrana.WebSocketUnsupportedError) {
+            const suggestedScheme = config.scheme === "wss" ? "https" : "http";
+            const suggestedUrl = (0, uri_1.encodeBaseUrl)(suggestedScheme, config.authority, config.path);
+            throw new api_1.LibsqlError("This environment does not support WebSockets, please switch to the HTTP client by using " +
+                `a "${suggestedScheme}:" URL (${JSON.stringify(suggestedUrl)}). ` +
+                `For more information, please read ${util_1.supportedUrlLink}`, "WEBSOCKETS_NOT_SUPPORTED");
+        }
+        throw (0, hrana_js_1.mapHranaError)(e);
+    }
+    return new WsClient(client, url, config.authToken, config.intMode, config.concurrency);
+}
+exports._createClient = _createClient;
+const maxConnAgeMillis = 60 * 1000;
+const sqlCacheCapacity = 100;
+class WsClient {
+    #url;
+    #authToken;
+    #intMode;
+    // State of the current connection. The `hrana.WsClient` inside may be closed at any moment due to an
+    // asynchronous error.
+    #connState;
+    // If defined, this is a connection that will be used in the future, once it is ready.
+    #futureConnState;
+    closed;
+    protocol;
+    #isSchemaDatabase;
+    #promiseLimitFunction;
+    /** @private */
+    constructor(client, url, authToken, intMode, concurrency) {
+        this.#url = url;
+        this.#authToken = authToken;
+        this.#intMode = intMode;
+        this.#connState = this.#openConn(client);
+        this.#futureConnState = undefined;
+        this.closed = false;
+        this.protocol = "ws";
+        this.#promiseLimitFunction = (0, promise_limit_1.default)(concurrency);
+    }
+    async limit(fn) {
+        return this.#promiseLimitFunction(fn);
+    }
+    async execute(stmtOrSql, args) {
+        let stmt;
+        if (typeof stmtOrSql === "string") {
+            stmt = {
+                sql: stmtOrSql,
+                args: args || [],
+            };
+        }
+        else {
+            stmt = stmtOrSql;
+        }
+        return this.limit(async () => {
+            const streamState = await this.#openStream();
+            try {
+                const hranaStmt = (0, hrana_js_1.stmtToHrana)(stmt);
+                // Schedule all operations synchronously, so they will be pipelined and executed in a single
+                // network roundtrip.
+                streamState.conn.sqlCache.apply([hranaStmt]);
+                const hranaRowsPromise = streamState.stream.query(hranaStmt);
+                streamState.stream.closeGracefully();
+                const hranaRowsResult = await hranaRowsPromise;
+                return (0, hrana_js_1.resultSetFromHrana)(hranaRowsResult);
+            }
+            catch (e) {
+                throw (0, hrana_js_1.mapHranaError)(e);
+            }
+            finally {
+                this._closeStream(streamState);
+            }
+        });
+    }
+    async batch(stmts, mode = "deferred") {
+        return this.limit(async () => {
+            const streamState = await this.#openStream();
+            try {
+                const normalizedStmts = stmts.map((stmt) => {
+                    if (Array.isArray(stmt)) {
+                        return {
+                            sql: stmt[0],
+                            args: stmt[1] || [],
+                        };
+                    }
+                    return stmt;
+                });
+                const hranaStmts = normalizedStmts.map(hrana_js_1.stmtToHrana);
+                const version = await streamState.conn.client.getVersion();
+                // Schedule all operations synchronously, so they will be pipelined and executed in a single
+                // network roundtrip.
+                streamState.conn.sqlCache.apply(hranaStmts);
+                const batch = streamState.stream.batch(version >= 3);
+                const resultsPromise = (0, hrana_js_1.executeHranaBatch)(mode, version, batch, hranaStmts);
+                const results = await resultsPromise;
+                return results;
+            }
+            catch (e) {
+                throw (0, hrana_js_1.mapHranaError)(e);
+            }
+            finally {
+                this._closeStream(streamState);
+            }
+        });
+    }
+    async migrate(stmts) {
+        return this.limit(async () => {
+            const streamState = await this.#openStream();
+            try {
+                const hranaStmts = stmts.map(hrana_js_1.stmtToHrana);
+                const version = await streamState.conn.client.getVersion();
+                // Schedule all operations synchronously, so they will be pipelined and executed in a single
+                // network roundtrip.
+                const batch = streamState.stream.batch(version >= 3);
+                const resultsPromise = (0, hrana_js_1.executeHranaBatch)("deferred", version, batch, hranaStmts, true);
+                const results = await resultsPromise;
+                return results;
+            }
+            catch (e) {
+                throw (0, hrana_js_1.mapHranaError)(e);
+            }
+            finally {
+                this._closeStream(streamState);
+            }
+        });
+    }
+    async transaction(mode = "write") {
+        return this.limit(async () => {
+            const streamState = await this.#openStream();
+            try {
+                const version = await streamState.conn.client.getVersion();
+                // the BEGIN statement will be batched with the first statement on the transaction to save a
+                // network roundtrip
+                return new WsTransaction(this, streamState, mode, version);
+            }
+            catch (e) {
+                this._closeStream(streamState);
+                throw (0, hrana_js_1.mapHranaError)(e);
+            }
+        });
+    }
+    async executeMultiple(sql) {
+        return this.limit(async () => {
+            const streamState = await this.#openStream();
+            try {
+                // Schedule all operations synchronously, so they will be pipelined and executed in a single
+                // network roundtrip.
+                const promise = streamState.stream.sequence(sql);
+                streamState.stream.closeGracefully();
+                await promise;
+            }
+            catch (e) {
+                throw (0, hrana_js_1.mapHranaError)(e);
+            }
+            finally {
+                this._closeStream(streamState);
+            }
+        });
+    }
+    sync() {
+        throw new api_1.LibsqlError("sync not supported in ws mode", "SYNC_NOT_SUPPORTED");
+    }
+    async #openStream() {
+        if (this.closed) {
+            throw new api_1.LibsqlError("The client is closed", "CLIENT_CLOSED");
+        }
+        const now = new Date();
+        const ageMillis = now.valueOf() - this.#connState.openTime.valueOf();
+        if (ageMillis > maxConnAgeMillis &&
+            this.#futureConnState === undefined) {
+            // The existing connection is too old, let's open a new one.
+            const futureConnState = this.#openConn();
+            this.#futureConnState = futureConnState;
+            // However, if we used `futureConnState` immediately, we would introduce additional latency,
+            // because we would have to wait for the WebSocket handshake to complete, even though we may a
+            // have perfectly good existing connection in `this.#connState`!
+            //
+            // So we wait until the `hrana.Client.getVersion()` operation completes (which happens when the
+            // WebSocket hanshake completes), and only then we replace `this.#connState` with
+            // `futureConnState`, which is stored in `this.#futureConnState` in the meantime.
+            futureConnState.client.getVersion().then((_version) => {
+                if (this.#connState !== futureConnState) {
+                    // We need to close `this.#connState` before we replace it. However, it is possible
+                    // that `this.#connState` has already been replaced: see the code below.
+                    if (this.#connState.streamStates.size === 0) {
+                        this.#connState.client.close();
+                    }
+                    else {
+                        // If there are existing streams on the connection, we must not close it, because
+                        // these streams would be broken. The last stream to be closed will also close the
+                        // connection in `_closeStream()`.
+                    }
+                }
+                this.#connState = futureConnState;
+                this.#futureConnState = undefined;
+            }, (_e) => {
+                // If the new connection could not be established, let's just ignore the error and keep
+                // using the existing connection.
+                this.#futureConnState = undefined;
+            });
+        }
+        if (this.#connState.client.closed) {
+            // An error happened on this connection and it has been closed. Let's try to seamlessly reconnect.
+            try {
+                if (this.#futureConnState !== undefined) {
+                    // We are already in the process of opening a new connection, so let's just use it
+                    // immediately.
+                    this.#connState = this.#futureConnState;
+                }
+                else {
+                    this.#connState = this.#openConn();
+                }
+            }
+            catch (e) {
+                throw (0, hrana_js_1.mapHranaError)(e);
+            }
+        }
+        const connState = this.#connState;
+        try {
+            // Now we wait for the WebSocket handshake to complete (if it hasn't completed yet). Note that
+            // this does not increase latency, because any messages that we would send on the WebSocket before
+            // the handshake would be queued until the handshake is completed anyway.
+            if (connState.useSqlCache === undefined) {
+                connState.useSqlCache =
+                    (await connState.client.getVersion()) >= 2;
+                if (connState.useSqlCache) {
+                    connState.sqlCache.capacity = sqlCacheCapacity;
+                }
+            }
+            const stream = connState.client.openStream();
+            stream.intMode = this.#intMode;
+            const streamState = { conn: connState, stream };
+            connState.streamStates.add(streamState);
+            return streamState;
+        }
+        catch (e) {
+            throw (0, hrana_js_1.mapHranaError)(e);
+        }
+    }
+    #openConn(client) {
+        try {
+            client ??= hrana.openWs(this.#url, this.#authToken);
+            return {
+                client,
+                useSqlCache: undefined,
+                sqlCache: new sql_cache_js_1.SqlCache(client, 0),
+                openTime: new Date(),
+                streamStates: new Set(),
+            };
+        }
+        catch (e) {
+            throw (0, hrana_js_1.mapHranaError)(e);
+        }
+    }
+    async reconnect() {
+        try {
+            for (const st of Array.from(this.#connState.streamStates)) {
+                try {
+                    st.stream.close();
+                }
+                catch { }
+            }
+            this.#connState.client.close();
+        }
+        catch { }
+        if (this.#futureConnState) {
+            try {
+                this.#futureConnState.client.close();
+            }
+            catch { }
+            this.#futureConnState = undefined;
+        }
+        const next = this.#openConn();
+        const version = await next.client.getVersion();
+        next.useSqlCache = version >= 2;
+        if (next.useSqlCache) {
+            next.sqlCache.capacity = sqlCacheCapacity;
+        }
+        this.#connState = next;
+        this.closed = false;
+    }
+    _closeStream(streamState) {
+        streamState.stream.close();
+        const connState = streamState.conn;
+        connState.streamStates.delete(streamState);
+        if (connState.streamStates.size === 0 &&
+            connState !== this.#connState) {
+            // We are not using this connection anymore and this is the last stream that was using it, so we
+            // must close it now.
+            connState.client.close();
+        }
+    }
+    close() {
+        this.#connState.client.close();
+        this.closed = true;
+        if (this.#futureConnState) {
+            try {
+                this.#futureConnState.client.close();
+            }
+            catch { }
+            this.#futureConnState = undefined;
+        }
+        this.closed = true;
+    }
+}
+exports.WsClient = WsClient;
+class WsTransaction extends hrana_js_1.HranaTransaction {
+    #client;
+    #streamState;
+    /** @private */
+    constructor(client, state, mode, version) {
+        super(mode, version);
+        this.#client = client;
+        this.#streamState = state;
+    }
+    /** @private */
+    _getStream() {
+        return this.#streamState.stream;
+    }
+    /** @private */
+    _getSqlCache() {
+        return this.#streamState.conn.sqlCache;
+    }
+    close() {
+        this.#client._closeStream(this.#streamState);
+    }
+    get closed() {
+        return this.#streamState.stream.closed;
+    }
+}
+exports.WsTransaction = WsTransaction;