dictate-to-editor.ts

// Name: Dictate to Editor

import "@johnlindquist/kit"
import Deepgram from "@deepgram/sdk"

let DEEPGRAM_API_KEY = await env("DEEPGRAM_API_KEY")
let client = new Deepgram.Deepgram(DEEPGRAM_API_KEY)
let deepgram = client.transcription.live({
  punctuate: true,
})

await new Promise(resolve => deepgram.addListener("open", resolve))

let fullTranscript = ""

let onInit = async () => {
  deepgram.addListener("transcriptReceived", async packet => {
    // console.log("deepgram: packet received")
    let data = JSON.parse(packet)
    switch (data.type) {
      case "Results":
        // console.log("deepgram: transcript received")
        let transcript = (data.channel.alternatives[0].transcript as string) ?? ""
        let firstSpace = fullTranscript.length === 0 ? "" : " "
        let appendText = firstSpace + transcript
        await editor.append(appendText)
        fullTranscript += appendText
        break
      case "Metadata":
        // console.log("deepgram: metadata received")
        break
      default:
        // console.log("deepgram: unknown packet received")
        break
    }
  })

  await mic.start()

  mic.stream.on("data", chunk => {
    deepgram.send(chunk)
  })
}

await editor({
  onInit,
})