use dockers for tests, use npm workspaces, add rejson & redisearch modules, fix some bugs

packages/client/lib/commands/XREAD.ts

@@ -0,0 +1,41 @@
+export const FIRST_KEY_INDEX = (streams: Array<XReadStream> | XReadStream): string => {
+    return Array.isArray(streams) ? streams[0].key : streams.key;
+};
+
+export const IS_READ_ONLY = true;
+
+interface XReadStream {
+    key: string;
+    id: string;
+}
+
+interface XReadOptions {
+    COUNT?: number;
+    BLOCK?: number;
+}
+
+export function transformArguments(streams: Array<XReadStream> | XReadStream, options?: XReadOptions): Array<string> {
+    const args = ['XREAD'];
+
+    if (options?.COUNT) {
+        args.push('COUNT', options.COUNT.toString());
+    }
+
+    if (typeof options?.BLOCK === 'number') {
+        args.push('BLOCK', options.BLOCK.toString());
+    }
+
+    args.push('STREAMS');
+
+    const streamsArray = Array.isArray(streams) ? streams : [streams],
+        argsLength = args.length;
+    for (let i = 0; i < streamsArray.length; i++) {
+        const stream = streamsArray[i];
+        args[argsLength + i] = stream.key;
+        args[argsLength + streamsArray.length + i] = stream.id;
+    }
+
+    return args;
+}
+
+export { transformReplyStreamsMessages as transformReply } from './generic-transformers';