Merge pull request #896 from MetaMask/i893-DenodeifyKeyringController

Denodeify most of KeyringController

1 files changed, 17 insertions, 0 deletions

diff --git a/app/scripts/lib/nodeify.js b/app/scripts/lib/nodeify.js
new file mode 100644
index 000000000..56b793852
--- /dev/null
+++ b/app/scripts/lib/nodeify.js
@@ -0,0 +1,17 @@
+module.exports = function (promiseFn) {
+  return function () {
+    var args = []
+    for (var i = 0; i < arguments.length - 1; i++) {
+      args.push(arguments[i])
+    }
+    var cb = arguments[arguments.length - 1]
+
+    return promiseFn.apply(this, args)
+    .then(function (result) {
+      cb(null, result)
+    })
+    .catch(function (reason) {
+      cb(reason)
+    })
+  }
+}