@snups/rjsf-utils/lib/lookupFromFormContext.js

Utility functions for @snups/rjsf-core

import get from 'lodash-es/get.js';
import has from 'lodash-es/has.js';
import { FORM_CONTEXT_NAME, LOOKUP_MAP_NAME } from './constants.js';
/** Given a React JSON Schema Form registry or formContext object, return the value associated with `toLookup`. This
 * might be contained within the lookup map in the formContext. If no such value exists, return the `fallback`
 * value.
 *
 * @param regOrFc - The @rjsf registry or form context in which the lookup will occur
 * @param toLookup - The name of the field in the lookup map in the form context to get the value for
 * @param [fallback] - The fallback value to use if the form context does not contain a value for `toLookup`
 * @returns - The value associated with `toLookup` in the form context or `fallback`
 */
export default function lookupFromFormContext(regOrFc, toLookup, fallback) {
    const lookupPath = [LOOKUP_MAP_NAME];
    if (has(regOrFc, FORM_CONTEXT_NAME)) {
        lookupPath.unshift(FORM_CONTEXT_NAME);
    }
    return get(regOrFc, [...lookupPath, toLookup], fallback);
}
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