first commit

postinstall.js

@@ -0,0 +1,26 @@
+const fs = require('fs')
+const wget = require('wget-improved')
+const ProgressBar = require('progress')
+const tar = require('tar')
+const src = 'https://github.com/mozilla/DeepSpeech/releases/download/v0.1.1/deepspeech-0.1.1-models.tar.gz'
+const output = './models.tar.gz'
+let bar = null
+console.log('The Demo is now downloading the pre-trained models from %s (roughly 1.4 GB), this will take a few moments...', src)
+let download = wget.download(src, output)
+download.on('error', console.error)
+download.on('progress', progress => bar.tick(progress))
+download.on('start', _ => {
+  bar = new ProgressBar('  downloading [:bar] :percent :etas', {
+    width: 20,
+    total: (100000 / 2)
+  })
+})
+download.on('end', async _ => {
+  bar.tick(100000 / 2)
+  console.log('')
+  console.log('Extracting tar archive...')
+  await tar.x({file: output})
+  console.log('Done extracting archive')
+  console.log('Removinf temporary tar archive...')
+  fs.unlinkSync(output)
+})