fix[ThemePicker]: fixed bug when oldVal is null (#1517)

6 years ago · 109c393cc6
1 changed files with 2 additions and 1 deletions
--- a/src/components/ThemePicker/index.vue
+++ b/src/components/ThemePicker/index.vue
@ -18,7 +18,8 @@ export default {
    }
  },
  watch: {
-    theme(val, oldVal) {
+    theme(val) {
+      const oldVal = this.theme
      if (typeof val !== 'string') return
      const themeCluster = this.getThemeCluster(val.replace('#', ''))
      const originalCluster = this.getThemeCluster(oldVal.replace('#', ''))