update

node_modules/fs-extra/lib/index.js

@@ -0,0 +1,28 @@
+'use strict'
+
+module.exports = Object.assign(
+  {},
+  // Export promiseified graceful-fs:
+  require('./fs'),
+  // Export extra methods:
+  require('./copy-sync'),
+  require('./copy'),
+  require('./empty'),
+  require('./ensure'),
+  require('./json'),
+  require('./mkdirs'),
+  require('./move-sync'),
+  require('./move'),
+  require('./output'),
+  require('./path-exists'),
+  require('./remove')
+)
+
+// Export fs.promises as a getter property so that we don't trigger
+// ExperimentalWarning before fs.promises is actually accessed.
+const fs = require('fs')
+if (Object.getOwnPropertyDescriptor(fs, 'promises')) {
+  Object.defineProperty(module.exports, 'promises', {
+    get () { return fs.promises }
+  })
+}