Remove betaUI preference state, replace with completedUiMigration

1 files changed, 29 insertions, 0 deletions

diff --git a/app/scripts/migrations/032.js b/app/scripts/migrations/032.js
new file mode 100644
index 000000000..e89fe383f
--- /dev/null
+++ b/app/scripts/migrations/032.js
@@ -0,0 +1,29 @@
+const version = 32
+const clone = require('clone')
+
+/**
+ * The purpose of this migration is to set the {@code completedUiMigration} flag based on the user's UI preferences
+ */
+module.exports = {
+  version,
+  migrate: async function (originalVersionedData) {
+    const versionedData = clone(originalVersionedData)
+    versionedData.meta.version = version
+    const state = versionedData.data
+    versionedData.data = transformState(state)
+    return versionedData
+  },
+}
+
+function transformState (state) {
+  const { PreferencesController } = state
+
+  if (PreferencesController) {
+    const { betaUI } = PreferencesController.featureFlags || {}
+    // Users who have been using the "beta" UI are considered to have completed the migration
+    // as they'll see no difference in this version
+    PreferencesController.completedUiMigration = betaUI
+  }
+
+  return state
+}