feat: print progress

package.json

@@ -20,6 +20,7 @@
     "go-platform": "^1.0.0",
     "gunzip-maybe": "^1.4.1",
     "node-fetch": "^2.3.0",
+    "node-fetch-progress": "^1.0.2",
     "pkg-conf": "^3.1.0",
     "tar-fs": "^2.0.0",
     "unzip-stream": "^0.3.0"

src/index.js

@@ -25,6 +25,7 @@ const path = require('path')
 const tarFS = require('tar-fs')
 const unzip = require('unzip-stream')
 const fetch = require('node-fetch')
+const Progress = require('node-fetch-progress')
 const pkgConf = require('pkg-conf')
 const pkg = require('./../package.json')
 
@@ -50,9 +51,30 @@ function unpack ({ url, installPath, stream }) {
   })
 }
 
+function progressFetch (res) {
+  const progress = new Progress(res, { throttle: 100 })
+
+  return new Promise((resolve) => {
+    progress.on('progress', (p) => {
+      if (process.stdout.clearLine) {
+        process.stdout.clearLine()
+        process.stdout.cursorTo(0)
+      }
+
+      const prog = Math.floor(p.progress * 100)
+      process.stdout.write(`${prog}% ${prog === 100 ? '\n' : ''}`)
+
+      if (prog === 100) {
+        resolve()
+      }
+    })
+  })
+}
+
 async function download ({ installPath, url }) {
   const res = await fetch(url)
   if (!res.ok) throw new Error(`Unexpected status: ${res.status}`)
+  await progressFetch(res)
   return unpack({ url, installPath, stream: res.body })
 }
 
@@ -74,6 +96,7 @@ function cleanArguments (version, platform, arch, installPath) {
 }
 
 async function ensureVersion ({ version, distUrl }) {
+  process.stdout.write('Fetching go-ipfs version list\n')
   const res = await fetch(`${distUrl}/go-ipfs/versions`)
   if (!res.ok) throw new Error(`Unexpected status: ${res.status}`)
   const versions = (await res.text()).trim().split('\n')
@@ -86,6 +109,7 @@ async function ensureVersion ({ version, distUrl }) {
 async function getDownloadURL ({ version, platform, arch, distUrl }) {
   await ensureVersion({ version, distUrl })
 
+  process.stdout.write(`Fetching go-ipfs ${version} information\n`)
   const res = await fetch(`${distUrl}/go-ipfs/${version}/dist.json`)
   if (!res.ok) throw new Error(`Unexpected status: ${res.status}`)
   const data = await res.json()