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React 19 support #877

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franknoel opened this issue Feb 20, 2025 · 0 comments

franknoel commented Feb 20, 2025

After upgrading to React 19, the useCountUp hook started to throw a TypeScript warning.

Type 'RefObject<HTMLElement | null>' is not assignable to type 'string | RefObject<HTMLElement>'.
  Type 'RefObject<HTMLElement | null>' is not assignable to type 'RefObject<HTMLElement>'.
    Type 'HTMLElement | null' is not assignable to type 'HTMLElement'.
      Type 'null' is not assignable to type 'HTMLElement'.ts(2322)

Adding support for React 19 and generating new types should fix the issue.

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