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61 lines
2.3 KiB
61 lines
2.3 KiB
5 months ago
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'use strict';
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Object.defineProperty(exports, '__esModule', {
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value: true,
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});
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exports.instanceOf = void 0;
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var _inspect = require('./inspect.js');
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/**
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* A replacement for instanceof which includes an error warning when multi-realm
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* constructors are detected.
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* See: https://expressjs.com/en/advanced/best-practice-performance.html#set-node_env-to-production
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* See: https://webpack.js.org/guides/production/
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*/
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const instanceOf =
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/* c8 ignore next 6 */
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// FIXME: https://github.com/graphql/graphql-js/issues/2317
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globalThis.process && globalThis.process.env.NODE_ENV === 'production'
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? function instanceOf(value, constructor) {
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return value instanceof constructor;
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}
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: function instanceOf(value, constructor) {
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if (value instanceof constructor) {
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return true;
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}
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if (typeof value === 'object' && value !== null) {
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var _value$constructor;
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// Prefer Symbol.toStringTag since it is immune to minification.
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const className = constructor.prototype[Symbol.toStringTag];
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const valueClassName = // We still need to support constructor's name to detect conflicts with older versions of this library.
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Symbol.toStringTag in value // @ts-expect-error TS bug see, https://github.com/microsoft/TypeScript/issues/38009
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? value[Symbol.toStringTag]
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: (_value$constructor = value.constructor) === null ||
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_value$constructor === void 0
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? void 0
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: _value$constructor.name;
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if (className === valueClassName) {
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const stringifiedValue = (0, _inspect.inspect)(value);
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throw new Error(`Cannot use ${className} "${stringifiedValue}" from another module or realm.
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Ensure that there is only one instance of "graphql" in the node_modules
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directory. If different versions of "graphql" are the dependencies of other
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relied on modules, use "resolutions" to ensure only one version is installed.
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https://yarnpkg.com/en/docs/selective-version-resolutions
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Duplicate "graphql" modules cannot be used at the same time since different
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versions may have different capabilities and behavior. The data from one
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version used in the function from another could produce confusing and
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spurious results.`);
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}
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}
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return false;
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};
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exports.instanceOf = instanceOf;
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