Vikasg7/warc-stream

Transform stream to read .warc or .warc.gz file member by member in nodejs

warc-stream

• Intro

  warc-stream is a Transform stream to read .warc or .warc.gz file member by member in nodejs

• Install

  npm install git+https://github.com/Vikasg7/warc-stream.git

• Usage (in TypeScript)

  import { WarcStream, WarcRecord, WarcHeaders } from "warc-stream"
  import { GzipStream } from "gzip-stream"
  import { createReadStream } from "graceful-fs"
  
  const file = process.argv[2]
  
  const reader = file.endsWith(".gz") ? createReadStream(file).pipe(new GzipStream()) : createReadStream(file)
  
  const warcStream = new WarcStream()
  
  let i = 0
  reader.pipe(warcStream)
     .on("data", (member: WarcRecord) =>{
        const {version, headers: WarcHeaders, content} = member
        process.stdout.write(content)
     })

• Example

  Check the tests folder in src folder for an example.