Created
September 1, 2020 05:58
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type GraphQLObject<T extends string> = | |
T extends `\ntype ${infer TypeName} {\n${infer Fields}}\n` | |
? { | |
name: TypeName, | |
fields: { | |
[key in keyof GraphQLObjectFields<Fields>]: GraphQLObjectFields<Fields>[key] | |
} | |
} | |
: never | |
type GraphQLObjectFields<T extends string> = | |
T extends ` ${infer FieldName}: ${infer FieldType}\n${infer Rest}` | |
? { [key in FieldName]: MaybeGraphQLListField<FieldType> } & GraphQLObjectFields<Rest> | |
: {} | |
type MaybeGraphQLListField<T extends string> = | |
T extends `[${infer I}]` | |
? Array<ToTS<I>> | |
: ToTS<T> | |
type ToTS<T extends string> = | |
T extends 'Int' | |
? number | |
: T extends 'Bool' | |
? boolean | |
: T extends 'String' | |
? string | |
: T | |
type T1 = GraphQLObject<` | |
type Test { | |
a: Int | |
b: String | |
c: [Bool] | |
} | |
`> | |
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