Merge branch 'master' of github.com:MetaMask/metamask-extension into merge-master

1 files changed, 24 insertions, 0 deletions

diff --git a/app/scripts/lib/cleanErrorStack.js b/app/scripts/lib/cleanErrorStack.js
new file mode 100644
index 000000000..fe1bfb0ce
--- /dev/null
+++ b/app/scripts/lib/cleanErrorStack.js
@@ -0,0 +1,24 @@
+/**
+ * Returns error without stack trace for better UI display
+ * @param {Error} err - error
+ * @returns {Error} Error with clean stack trace.
+ */
+function cleanErrorStack(err){
+  var name = err.name
+  name = (name === undefined) ? 'Error' : String(name)
+
+  var msg = err.message
+  msg = (msg === undefined) ? '' : String(msg)
+
+  if (name === '') {
+    err.stack = err.message
+  } else if (msg === '') {
+    err.stack = err.name
+  } else {
+    err.stack = err.name + ': ' + err.message
+  }
+
+  return err
+}
+
+module.exports = cleanErrorStack