chore: fix typo

Author: antfu

package.json

@@ -27,7 +27,7 @@
     "index.js"
   ],
   "scripts": {
-    "start": "concurrently \"tsc --emitDeclarationOnly -w\" \"cross-env TARGET=es rollup -c -w\"",
+    "start": "concurrently \"tsc --emitDeclarationOnly -w\" \"cross-env rollup -c -w\"",
     "build": "rimraf dist typings && tsc --emitDeclarationOnly && rollup -c",
     "lint": "prettier --write --parser typescript \"{src,test,test-dts}/**/*.ts?(x)\" && prettier --write \"{src,test}/**/*.js\"",
     "test": "yarn test-dts && yarn test-unit",

src/apis/watch.ts

@@ -294,11 +294,11 @@ function createWatcher(
   }
   let callback = createScheduler(applyCb)
   if (options.immediate) {
-    const originalCallbck = callback
+    const originalCallback = callback
     // `shiftCallback` is used to handle the first sync effect run.
     // The subsequent callbacks will redirect to `callback`.
     let shiftCallback = (n: any, o: any) => {
-      shiftCallback = originalCallbck
+      shiftCallback = originalCallback
       applyCb(n, o)
     }
     callback = (n: any, o: any) => {