update

package/node_modules/node-gyp/lib/download.js

@@ -0,0 +1,39 @@
+const fetch = require('make-fetch-happen')
+const { promises: fs } = require('graceful-fs')
+const log = require('./log')
+
+async function download (gyp, url) {
+  log.http('GET', url)
+
+  const requestOpts = {
+    headers: {
+      'User-Agent': `node-gyp v${gyp.version} (node ${process.version})`,
+      Connection: 'keep-alive'
+    },
+    proxy: gyp.opts.proxy,
+    noProxy: gyp.opts.noproxy
+  }
+
+  const cafile = gyp.opts.cafile
+  if (cafile) {
+    requestOpts.ca = await readCAFile(cafile)
+  }
+
+  const res = await fetch(url, requestOpts)
+  log.http(res.status, res.url)
+
+  return res
+}
+
+async function readCAFile (filename) {
+  // The CA file can contain multiple certificates so split on certificate
+  // boundaries.  [\S\s]*? is used to match everything including newlines.
+  const ca = await fs.readFile(filename, 'utf8')
+  const re = /(-----BEGIN CERTIFICATE-----[\S\s]*?-----END CERTIFICATE-----)/g
+  return ca.match(re)
+}
+
+module.exports = {
+  download,
+  readCAFile
+}