20 lines
870 B
Text
Executable file
20 lines
870 B
Text
Executable file
// @flow strict
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// In ES2015 (or a polyfilled) environment, this will be Symbol.iterator
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// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')
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export const SYMBOL_ITERATOR: string =
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typeof Symbol === 'function' && Symbol.iterator != null
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? Symbol.iterator
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: '@@iterator';
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// In ES2017 (or a polyfilled) environment, this will be Symbol.asyncIterator
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// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')
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export const SYMBOL_ASYNC_ITERATOR: string =
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typeof Symbol === 'function' && Symbol.asyncIterator != null
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? Symbol.asyncIterator
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: '@@asyncIterator';
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// istanbul ignore next (See: 'https://github.com/graphql/graphql-js/issues/2317')
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export const SYMBOL_TO_STRING_TAG: string =
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typeof Symbol === 'function' && Symbol.toStringTag != null
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? Symbol.toStringTag
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: '@@toStringTag';
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