修复导入 bug

Linho1219 · Linho1219 · commit 685f479088a0 · 2025-05-08T16:58:07.000+08:00
diff --git a/src/types/data.ts b/src/types/data.ts
@@ -211,12 +211,14 @@ export function toPrivateData(input: Object) {
                 updateOnMouseMove: false,
               })
             ),
-          derivative: ({ derivative = {} }) =>
-            amendAttr(derivative, {
-              fn: "",
-              x0: 0,
-              updateOnMouseMove: false,
-            }),
+          derivative: ({ derivative }) =>
+            !derivative
+              ? undefined
+              : amendAttr(derivative, {
+                  fn: "",
+                  x0: 0,
+                  updateOnMouseMove: false,
+                }),
           ...getFunctionGlobals(),
         }
       );
