| 1 | import { Maybe } from '../jsutils/Maybe';
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| 2 |
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| 3 | import { ValueNode } from '../language/ast';
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| 4 | import { GraphQLInputType } from '../type/definition';
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| 5 |
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| 6 | /**
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| 7 | * Produces a JavaScript value given a GraphQL Value AST.
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| 8 | *
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| 9 | * A GraphQL type must be provided, which will be used to interpret different
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| 10 | * GraphQL Value literals.
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| 11 | *
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| 12 | * Returns `undefined` when the value could not be validly coerced according to
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| 13 | * the provided type.
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| 14 | *
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| 15 | * | GraphQL Value | JSON Value |
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| 16 | * | -------------------- | ------------- |
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| 17 | * | Input Object | Object |
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| 18 | * | List | Array |
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| 19 | * | Boolean | Boolean |
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| 20 | * | String | String |
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| 21 | * | Int / Float | Number |
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| 22 | * | Enum Value | Mixed |
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| 23 | * | NullValue | null |
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| 24 | *
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| 25 | */
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| 26 | export function valueFromAST(
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| 27 | valueNode: Maybe<ValueNode>,
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| 28 | type: GraphQLInputType,
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| 29 | variables?: Maybe<{ [key: string]: any }>,
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| 30 | ): any;
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