ra-core/dist/form/useFormIsDirty.js

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

import { useFormState } from 'react-hook-form';
import isEmpty from 'lodash/isEmpty.js';
// useFormState().isDirty might differ from useFormState().dirtyFields (https://github.com/react-hook-form/react-hook-form/issues/4740)
export var useFormIsDirty = function () {
    var dirtyFields = useFormState().dirtyFields;
    return checkHasDirtyFields(dirtyFields);
};
export var checkHasDirtyFields = function (dirtyFields) {
    // dirtyFields can contains simple keys with boolean values, nested objects or arrays
    // We must ignore values that are false
    return Object.values(dirtyFields).some(function (value) {
        if (typeof value === 'boolean') {
            return value;
        }
        else if (Array.isArray(value)) {
            // Some arrays contain only booleans (scalar arrays), some arrays contain objects (object arrays)
            for (var _i = 0, value_1 = value; _i < value_1.length; _i++) {
                var item = value_1[_i];
                if (item === true) {
                    return true;
                }
                // FIXME: because we currently don't set default values correctly for arrays,
                // new items are either empty objects, or undefined in dirtyFields. Consider them as dirty.
                if ((typeof item === 'object' && isEmpty(item)) ||
                    item === undefined) {
                    return true;
                }
                if (typeof item === 'object' &&
                    item !== null &&
                    checkHasDirtyFields(item)) {
                    return true;
                }
            }
        }
        else if (typeof value === 'object' && value !== null) {
            return checkHasDirtyFields(value);
        }
        return false;
    });
};
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