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how to fix the "Component definition is missing display name" error?
    const IndeterminateCheckbox = React.forwardRef(
  
    ({indeterminate, ...rest}, ref) => {
      const defaultRef = React.useRef();
      const resolvedRef = ref || defaultRef;

      React.useEffect(() => {
        resolvedRef.current.indeterminate = indeterminate;
      }, [resolvedRef, indeterminate]);

      return <input type="checkbox" ref={resolvedRef} {...rest} />;
    },
);

How to fix "Component definition is missing display name" in line 1

about 4 years ago · Juan Pablo Isaza
1 answers
Answer question

0

To fix this error, you should put a displayName on your component. This happens because your arrow function inside forwardRef doesn't have the context of your function name.

Solution one:

Put this on the final of your file.

    const IndeterminateCheckbox = React.forwardRef(
     ({indeterminate, ...rest}, ref) => {
      const defaultRef = React.useRef();
      const resolvedRef = ref || defaultRef;

      React.useEffect(() => {
        resolvedRef.current.indeterminate = indeterminate;
      }, [resolvedRef, indeterminate]);

      return <input type="checkbox" ref={resolvedRef} {...rest} />;
    },
);

IndeterminateCheckbox.displayName = 'IndeterminateCheckbox'

OR

You can avoid use arrow function inside forwardRef and use named functions.

    const IndeterminateCheckbox = React.forwardRef(
     function Component({indeterminate, ...rest}, ref) {
      const defaultRef = React.useRef();
      const resolvedRef = ref || defaultRef;

      React.useEffect(() => {
        resolvedRef.current.indeterminate = indeterminate;
      }, [resolvedRef, indeterminate]);

      return <input type="checkbox" ref={resolvedRef} {...rest} />;
    }
  },
);
about 4 years ago · Juan Pablo Isaza Report
Answer question
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