SnowLuma/.pnpm-store/v11/files/64/057b160875fc066b886f20633ba4b0aceb201b44e25beea3d6336955eac6395121630c324fb1d902c7933d8b7a01de2e853f05a4f543c500cfaa51063e6184

/**
 * In-memory transport for creating clients and servers that talk to each other within the same process.
 */
export class InMemoryTransport {
    constructor() {
        this._messageQueue = [];
    }
    /**
     * Creates a pair of linked in-memory transports that can communicate with each other. One should be passed to a Client and one to a Server.
     */
    static createLinkedPair() {
        const clientTransport = new InMemoryTransport();
        const serverTransport = new InMemoryTransport();
        clientTransport._otherTransport = serverTransport;
        serverTransport._otherTransport = clientTransport;
        return [clientTransport, serverTransport];
    }
    async start() {
        // Process any messages that were queued before start was called
        while (this._messageQueue.length > 0) {
            const queuedMessage = this._messageQueue.shift();
            this.onmessage?.(queuedMessage.message, queuedMessage.extra);
        }
    }
    async close() {
        const other = this._otherTransport;
        this._otherTransport = undefined;
        await other?.close();
        this.onclose?.();
    }
    /**
     * Sends a message with optional auth info.
     * This is useful for testing authentication scenarios.
     */
    async send(message, options) {
        if (!this._otherTransport) {
            throw new Error('Not connected');
        }
        if (this._otherTransport.onmessage) {
            this._otherTransport.onmessage(message, { authInfo: options?.authInfo });
        }
        else {
            this._otherTransport._messageQueue.push({ message, extra: { authInfo: options?.authInfo } });
        }
    }
}
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