Remove fs-extra

1 files changed, 16 insertions, 2 deletions

diff --git a/downloaders.js b/downloaders.js
index b7582a9..f0833e7 100644
--- a/downloaders.js
+++ b/downloaders.js
@@ -4,7 +4,6 @@ const { spawn } = require('child_process')
 const { Base64 } = require('js-base64')
 const mkdirp = promisify(require('mkdirp'))
 const fs = require('fs')
-const fse = require('fs-extra')
 const fetch = require('node-fetch')
 const tempy = require('tempy')
 const path = require('path')
@@ -15,7 +14,22 @@ const rename = promisify(fs.rename)
 const stat = promisify(fs.stat)
 const readdir = promisify(fs.readdir)
 const symlink = promisify(fs.symlink)
-const copyFile = fse.copy
+
+const copyFile = (source, target) => {
+  // Stolen from https://stackoverflow.com/a/30405105/4633828
+  const rd = fs.createReadStream(source)
+  const wr = fs.createWriteStream(target)
+  return new Promise((resolve, reject) => {
+    rd.on('error', reject)
+    wr.on('error', reject)
+    wr.on('finish', resolve)
+    rd.pipe(wr)
+  }).catch(function(error) {
+    rd.destroy()
+    wr.end()
+    throw error
+  })
+}
 
 const cachify = (identifier, baseFunction) => {
   return async arg => {