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-rw-r--r--src/index.js5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/index.js b/src/index.js
index 78d675d..9746b8d 100644
--- a/src/index.js
+++ b/src/index.js
@@ -36,8 +36,9 @@ export default function mitt(all: EventHandlerMap) {
* @memberOf mitt
*/
off(type: string, handler: EventHandler) {
- let e = all[type] || (all[type] = []);
- e.splice(e.indexOf(handler) >>> 0, 1);
+ if (all[type]) {
+ all[type].splice(all[type].indexOf(handler) >>> 0, 1);
+ }
},
/**