Add production dependencies

node_modules/v8flags/config-path.js

@@ -0,0 +1,38 @@
+var os = require('os');
+var path = require('path');
+var userHome = require('homedir-polyfill')();
+
+var env = process.env;
+var name = 'js-v8flags';
+
+function macos() {
+  var library = path.join(userHome, 'Library');
+  return path.join(library, 'Caches', name);
+}
+
+function windows() {
+  var appData = env.LOCALAPPDATA || path.join(userHome, 'AppData', 'Local');
+  return path.join(appData, name);
+}
+
+// https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
+function linux() {
+  var username = path.basename(userHome);
+  return path.join(env.XDG_CACHE_HOME || path.join(userHome, '.cache'), name);
+}
+
+module.exports = function(platform) {
+  if (!userHome) {
+    return os.tmpdir();
+  }
+
+  if (platform === 'darwin') {
+    return macos();
+  }
+
+  if (platform === 'win32') {
+    return windows();
+  }
+
+  return linux();
+};