Adding null check

packages/framer-motion/src/animation/utils/is-animation-controls.ts

@@ -1,5 +1,9 @@
 import { AnimationControls } from "../types"
 
 export function isAnimationControls(v?: unknown): v is AnimationControls {
- return typeof v === "object" && typeof (v as any).start === "function"
+ return (
+ v !== null &&
+ typeof v === "object" &&
+ typeof (v as AnimationControls).start === "function"
+ )
 }

packages/framer-motion/src/utils/is-ref-object.ts

@@ -2,6 +2,7 @@ import { MutableRefObject } from "./safe-react-types"
 
 export function isRefObject<E = any>(ref: any): ref is MutableRefObject<E> {
  return (
+ ref &&
  typeof ref === "object" &&
  Object.prototype.hasOwnProperty.call(ref, "current")
  )

packages/framer-motion/src/utils/transform.ts

@@ -31,7 +31,7 @@ export interface TransformOptions<T> {
 }
 
 const isCustomValueType = (v: any): v is CustomValueType => {
- return typeof v === "object" && v.mix
+ return v && typeof v === "object" && v.mix
 }
 
 const getMixer = (v: any) => (isCustomValueType(v) ? v.mix : undefined)