1 | import type { DocumentNode } from "graphql";
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2 | export interface DocumentTypeDecoration<TResult, TVariables> {
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3 | /**
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4 | * This type is used to ensure that the variables you pass in to the query are assignable to Variables
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5 | * and that the Result is assignable to whatever you pass your result to. The method is never actually
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6 | * implemented, but the type is valid because we list it as optional
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7 | */
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8 | __apiType?: (variables: TVariables) => TResult;
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9 | }
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10 | export interface TypedDocumentNode<TResult = {
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11 | [key: string]: any;
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12 | }, TVariables = {
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13 | [key: string]: any;
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14 | }> extends DocumentNode, DocumentTypeDecoration<TResult, TVariables> {
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15 | }
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16 | /**
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17 | * Helper for extracting a TypeScript type for operation result from a TypedDocumentNode and TypedDocumentString.
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18 | * @example
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19 | * const myQuery = { ... }; // TypedDocumentNode<R, V>
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20 | * type ResultType = ResultOf<typeof myQuery>; // Now it's R
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21 | */
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22 | export type ResultOf<T> = T extends DocumentTypeDecoration<infer ResultType, infer VariablesType> ? ResultType : never;
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23 | /**
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24 | * Helper for extracting a TypeScript type for operation variables from a TypedDocumentNode and TypedDocumentString.
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25 | * @example
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26 | * const myQuery = { ... }; // TypedDocumentNode<R, V>
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27 | * type VariablesType = VariablesOf<typeof myQuery>; // Now it's V
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28 | */
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29 | export type VariablesOf<T> = T extends DocumentTypeDecoration<infer ResultType, infer VariablesType> ? VariablesType : never;
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