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README.md

appology / resp-parser Build Status

A grammar and stream-friendly parser for the RESP protocol.

Crafted with ♡ by Appology

Made possible by the super awesome nearley parser toolkit.

Bootstrapped with nearley-template.

Before you install...

Please keep in mind that this project is not yet battle tested.

Issues?

You can submit new issues using GitHub Issues

Install:

npm i resp-parser --save

What does it do?

Parses RESP into an Abstract Syntax Tree (AST) for further processing.

This example code:

var RespParser = require('resp-parser')

var parser = new RespParser()
// optional: call feed more than once if needed
parser.feed('*2\r\n*2\r\n:1\r\n$7\r\ntesting\r\n$7\r\ntesting\r\n')

console.log(JSON.stringify(parser.results))

Results in the following output:

{
    "type": "Array",
    "length": 2,
    "value": [{
        "type": "Array",
        "length": 2,
        "value": [{
            "type": "Integer",
            "value": 1
        }, {
            "type": "BulkString",
            "length": 7,
            "value": "testing"
        }]
    }, {
        "type": "BulkString",
        "length": 7,
        "value": "testing"
    }]
}

Included:

  • Support for the following types:
    • Integers
    • Simple Strings
    • Bulk Strings
    • Null Bulk Strings
    • Arrays (including nested arrays)
    • Null Arrays
    • Errors
    • Pipelines
  • Unit Tests

Coming soon:

  • Tools for dealing with ASTs from this parser

Check out the release notes.

RESP Protocol documentation can be found at: https://redis.io/topics/protocol

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A grammar and stream-friendly parser for the RESP protocol.

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