fhirbuilder/lib/core/commons/utils/AssertModelFieldsMatchAttributes.js

Another FHIR Tool to build FHIR Resources

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.AssertModelFieldsMatchAttributes = AssertModelFieldsMatchAttributes;
function getNonFunctionKeys(obj) {
    return Object.keys(obj).filter((key) => typeof obj[key] !== 'function');
}
/**
 * @description Asserts that the model fields match the attributes of the model
 * @param expectedAttributes - the expected attributes of the model
 * @param instance - the instance of the model
 * @constructor AssertModelFieldsMatchAttributes
 * @throws {Error} if the model fields do not match the attributes of the model
 */
function AssertModelFieldsMatchAttributes(expectedAttributes, instance) {
    const expectedFieldNames = expectedAttributes.map((attribute) => attribute.name);
    const actualFieldNames = getNonFunctionKeys(instance);
    const unmatchedFields = actualFieldNames.filter((field) => !expectedFieldNames.includes(field));
    if (unmatchedFields.length > 0) {
        throw new Error(`The instance of ${instance.constructor.name} is missing expected fields: ${unmatchedFields.join(', ')}`);
    }
}