Created
November 25, 2020 14:07
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TS Type-safe tester for __typename on a GraphQL object
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| interface TypenameObject { | |
| __typename: string; | |
| } | |
| function isType<O extends TypenameObject, T extends O['__typename']>(obj: O, typename: T): boolean { | |
| return obj.__typename === typename; | |
| } |
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