@rjsf/utils/lib/schema/mergeValidationData.js

Utility functions for @rjsf/core

import isEmpty from 'lodash-es/isEmpty.js';
import mergeObjects from '../mergeObjects.js';
/** Merges the errors in `additionalErrorSchema` into the existing `validationData` by combining the hierarchies in the
 * two `ErrorSchema`s and then appending the error list from the `additionalErrorSchema` obtained by calling
 * `validator.toErrorList()` onto the `errors` in the `validationData`. If no `additionalErrorSchema` is passed, then
 * `validationData` is returned.
 *
 * @param validator - The validator used to convert an ErrorSchema to a list of errors
 * @param validationData - The current `ValidationData` into which to merge the additional errors
 * @param [additionalErrorSchema] - The additional set of errors in an `ErrorSchema`
 * @returns - The `validationData` with the additional errors from `additionalErrorSchema` merged into it, if provided.
 * @deprecated - Use the `validationDataMerge()` function exported from `@rjsf/utils` instead. This function will be
 *        removed in the next major release.
 */
export default function mergeValidationData(validator, validationData, additionalErrorSchema) {
    if (!additionalErrorSchema) {
        return validationData;
    }
    const { errors: oldErrors, errorSchema: oldErrorSchema } = validationData;
    let errors = validator.toErrorList(additionalErrorSchema);
    let errorSchema = additionalErrorSchema;
    if (!isEmpty(oldErrorSchema)) {
        errorSchema = mergeObjects(oldErrorSchema, additionalErrorSchema, true);
        errors = [...oldErrors].concat(errors);
    }
    return { errorSchema, errors };
}
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