| import { inspect } from './inspect.mjs'; |
| /* c8 ignore next 3 */ |
| |
| const isProduction = |
| globalThis.process && // eslint-disable-next-line no-undef |
| process.env.NODE_ENV === 'production'; |
| /** |
| * A replacement for instanceof which includes an error warning when multi-realm |
| * constructors are detected. |
| * See: https://expressjs.com/en/advanced/best-practice-performance.html#set-node_env-to-production |
| * See: https://webpack.js.org/guides/production/ |
| */ |
| |
| export const instanceOf = |
| /* c8 ignore next 6 */ |
| // FIXME: https://github.com/graphql/graphql-js/issues/2317 |
| isProduction |
| ? function instanceOf(value, constructor) { |
| return value instanceof constructor; |
| } |
| : function instanceOf(value, constructor) { |
| if (value instanceof constructor) { |
| return true; |
| } |
| |
| if (typeof value === 'object' && value !== null) { |
| var _value$constructor; |
| |
| // Prefer Symbol.toStringTag since it is immune to minification. |
| const className = constructor.prototype[Symbol.toStringTag]; |
| const valueClassName = // We still need to support constructor's name to detect conflicts with older versions of this library. |
| Symbol.toStringTag in value // @ts-expect-error TS bug see, https://github.com/microsoft/TypeScript/issues/38009 |
| ? value[Symbol.toStringTag] |
| : (_value$constructor = value.constructor) === null || |
| _value$constructor === void 0 |
| ? void 0 |
| : _value$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; |
| }; |