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r2d2

Lightweight Redis client library for Deno. Design principles:

  • Must be fundamentally simple
  • Use native Deno APIs and Deno’s standard library without custom interfaces
  • Encourage use of actual Redis commands without intermediate abstractions

Usage

Must be run with --allow-net permission.

Single command

import { sendCommand } from "https://deno.land/x/r2d2/mod.ts";

const redisConn = await Deno.connect({ port: 6379 });

// Returns "OK"
await sendCommand(redisConn, ["SET", "hello", "world"]);

// Returns "world"
await sendCommand(redisConn, ["GET", "hello"]);

Multiple commands (pipelining)

import { pipelineCommands } from "https://deno.land/x/r2d2/mod.ts";

const redisConn = await Deno.connect({ port: 6379 });

// Returns [1, 2, 3, 4]
await pipelineCommands(redisConn, [
  ["INCR", "X"],
  ["INCR", "X"],
  ["INCR", "X"],
  ["INCR", "X"],
]);

Pub/sub

import { listenReplies, writeCommand } from "https://deno.land/x/r2d2/mod.ts";

const redisConn = await Deno.connect({ port: 6379 });

await writeCommand(redisConn, ["SUBSCRIBE", "mychannel"]);
for await (const [_, channel, message] of listenReplies(redisConn)) {
  // Prints "mychannel" says 1
  console.log(`${channel} says ${message}`);
  await writeCommand(redisConn, ["UNSUBSCRIBE"]);
  break;
}

Single command, no reply

import { writeCommand } from "https://deno.land/x/r2d2/mod.ts";

const redisConn = await Deno.connect({ port: 6379 });

// Returns nothing
await writeCommand(redisConn, ["SHUTDOWN"]);

Documentation

Check out the documentation here.

Testing

deno task test

Note: Redis must be installed on your local machine. For installation instructions, see here.

Benchmarks

deno task bench

Note: Redis must be installed on your local machine. For installation instructions, see here.

  • redis - 🦕 Redis client for Deno 🍕