ra-core/dist/controller/input/useArrayInput.js

Core components of react-admin, a frontend Framework for building admin applications on top of REST services, using ES6, React

import { useContext, useMemo } from 'react';
import { ArrayInputContext } from "./ArrayInputContext.js";
/**
 * A hook to access an array input methods as provided by react-hook-form.
 * Useful to create custom array input iterators.
 * @see {ArrayInput}
 * @see https://react-hook-form.com/docs/usefieldarray
 */
export const useArrayInput = (props) => {
    const context = useContext(ArrayInputContext);
    const memo = useMemo(() => ({
        append: props?.append,
        fields: props?.fields,
        insert: props?.insert,
        move: props?.move,
        prepend: props?.prepend,
        remove: props?.remove,
        replace: props?.replace,
        swap: props?.swap,
        update: props?.update,
    }), [props]);
    if (props?.fields) {
        return memo;
    }
    if (!context) {
        throw new Error('useArrayInput must be used inside an ArrayInputContextProvider');
    }
    return context;
};
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