ahooks/es/useMount/index.js

react hooks library

import { useEffect } from 'react';
import { isFunction, isThenable } from '../utils';
import isDev from '../utils/isDev';
const useMount = (fn) => {
    if (isDev) {
        if (!isFunction(fn)) {
            console.error(`useMount: parameter \`fn\` expected to be a function, but got "${typeof fn}".`);
        }
    }
    useEffect(() => {
        const result = fn === null || fn === void 0 ? void 0 : fn();
        // If fn returns a Promise, don't return it as cleanup function
        if (isThenable(result)) {
            return;
        }
        return result;
    }, []);
};
export default useMount;