fix: cast pattern as StoreFunction

fix: conditional when `fn` is not function
hexojs · May 18, 2023 · 4a61ca5 · 4a61ca5
1 parent 6aee1f3
commit 4a61ca5
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/lib/extend/processor.ts b/lib/extend/processor.ts
@@ -26,9 +26,9 @@ class Processor {
   register(fn: StoreFunction): void;
   register(pattern: patternType, fn: StoreFunction): void;
   register(pattern: patternType | StoreFunction, fn?: StoreFunction) {
-    if (!fn) {
+    if (typeof fn !== 'function') {
       if (typeof pattern === 'function') {
-        fn = pattern;
+        fn = pattern as StoreFunction;
         pattern = /(.*)/;
       } else {
         throw new TypeError('fn must be a function');