@nestjs/graphql

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Nest - modern, fast, powerful node.js web framework (@graphql)

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JavaScript

import { isUndefined } from '@nestjs/common/utils/shared.utils.js';
import { isEqual } from 'es-toolkit';
import { DefaultValuesConflictError } from '../errors/default-values-conflict.error.js';
export function getDefaultValue(instance, options, key, typeName) {
    const initializerValue = instance[key];
    if (isUndefined(options.defaultValue)) {
        return initializerValue;
    }
    if (!isEqual(options.defaultValue, initializerValue) &&
        !isUndefined(initializerValue)) {
        throw new DefaultValuesConflictError(typeName, key, options.defaultValue, initializerValue);
    }
    return options.defaultValue;
}