30 lines
1.0 KiB
TypeScript
30 lines
1.0 KiB
TypeScript
import type { Maybe } from '../jsutils/Maybe';
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import type { ObjMap } from '../jsutils/ObjMap';
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import type { ValueNode } from '../language/ast';
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import type { GraphQLInputType } from '../type/definition';
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/**
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* Produces a JavaScript value given a GraphQL Value AST.
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*
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* A GraphQL type must be provided, which will be used to interpret different
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* GraphQL Value literals.
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*
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* Returns `undefined` when the value could not be validly coerced according to
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* the provided type.
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*
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* | GraphQL Value | JSON Value |
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* | -------------------- | ------------- |
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* | Input Object | Object |
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* | List | Array |
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* | Boolean | Boolean |
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* | String | String |
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* | Int / Float | Number |
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* | Enum Value | Unknown |
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* | NullValue | null |
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*
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*/
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export declare function valueFromAST(
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valueNode: Maybe<ValueNode>,
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type: GraphQLInputType,
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variables?: Maybe<ObjMap<unknown>>,
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): unknown;
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