ollama-js/examples/pull-progress/pull.ts

import ollama from 'ollama'

async function main() {
  const model = 'llama3.1'
  console.log(`downloading ${model}...`)
  let currentDigestDone = false
  const stream = await ollama.pull({ model: model, stream: true })
  for await (const part of stream) {
    if (part.digest) {
      let percent = 0
      if (part.completed && part.total) {
        percent = Math.round((part.completed / part.total) * 100)
      }
      process.stdout.clearLine(0) // Clear the current line
      process.stdout.cursorTo(0) // Move cursor to the beginning of the line
      process.stdout.write(`${part.status} ${percent}%...`) // Write the new text
      if (percent === 100 && !currentDigestDone) {
        console.log() // Output to a new line
        currentDigestDone = true
      } else {
        currentDigestDone = false
      }
    } else {
      console.log(part.status)
    }
  }
}

main().catch(console.error)