fix NaN不应返回有值

apache · Dec 8, 2024 · 083eb3b · 083eb3b
1 parent 2576fc2
commit 083eb3b
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/scale/helper.ts b/src/scale/helper.ts
@@ -127,6 +127,9 @@ export function contain(val: number, extent: [number, number]): boolean {
 }
 
 export function normalize(val: number, extent: [number, number]): number {
+    if (isNaN(val)) {
+        return NaN;
+    }
     if (extent[1] === extent[0]) {
         return 0.5;
     }