@modular-forms/react/dist/source/utils/updateFieldArrayDirty.js

The modular and type-safe form library for React

import { batch } from '@preact/signals-react';
import { updateFormDirty } from './updateFormDirty';
/**
 * Updates the dirty state of a field array.
 *
 * @param form The form of the field array.
 * @param fieldArray The store of the field array.
 */
export function updateFieldArrayDirty(form, fieldArray) {
    // Check if field array is dirty
    const dirty = fieldArray.startItems.peek().join() !== fieldArray.items.peek().join();
    // Update dirty state of field array if necessary
    if (dirty !== fieldArray.dirty.peek()) {
        batch(() => {
            fieldArray.dirty.value = dirty;
            // Update dirty state of form
            updateFormDirty(form, dirty);
        });
    }
}