guardia-messenger/node_modules/graphql/jsutils/instanceOf.js.flow
DESKTOP-TKLFCPRython f29f525c77 refactor: 101.79.17.164 → zioinfo.co.kr 전체 도메인 변환 + Manager UI 배포
- 37개 파일 IP → zioinfo.co.kr 치환 (소스/매뉴얼/설정/하네스)
- Manager DrConsole/NetworkConsole/CsapConsole 빌드 + /var/www/manager/ 배포
- 테스트: Manager HTTP 200, ITSM 신규 API 7개 전체 200

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-05-31 10:09:17 +09:00

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// @flow strict
import inspect from './inspect';
/**
* A replacement for instanceof which includes an error warning when multi-realm
* constructors are detected.
*/
declare function instanceOf(
value: mixed,
constructor: mixed,
): boolean %checks(value instanceof constructor);
// See: https://expressjs.com/en/advanced/best-practice-performance.html#set-node_env-to-production
// See: https://webpack.js.org/guides/production/
export default process.env.NODE_ENV === 'production'
? // istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')
// eslint-disable-next-line no-shadow
function instanceOf(value: mixed, constructor: mixed): boolean {
return value instanceof constructor;
}
: // eslint-disable-next-line no-shadow
function instanceOf(value: any, constructor: any): boolean {
if (value instanceof constructor) {
return true;
}
if (typeof value === 'object' && value !== null) {
const className = constructor.prototype[Symbol.toStringTag];
const valueClassName =
// We still need to support constructor's name to detect conflicts with older versions of this library.
Symbol.toStringTag in value
? value[Symbol.toStringTag]
: value.constructor?.name;
if (className === valueClassName) {
const stringifiedValue = inspect(value);
throw new Error(
`Cannot use ${className} "${stringifiedValue}" from another module or realm.
Ensure that there is only one instance of "graphql" in the node_modules
directory. If different versions of "graphql" are the dependencies of other
relied on modules, use "resolutions" to ensure only one version is installed.
https://yarnpkg.com/en/docs/selective-version-resolutions
Duplicate "graphql" modules cannot be used at the same time since different
versions may have different capabilities and behavior. The data from one
version used in the function from another could produce confusing and
spurious results.`,
);
}
}
return false;
};