@graphql-tools/graphql/esm/utilities/valueFromASTUntyped.js

Fork of GraphQL.js

import { keyValMap } from '../jsutils/keyValMap.js';
import { Kind } from '../language/kinds.js';
/**
 * Produces a JavaScript value given a GraphQL Value AST.
 *
 * Unlike `valueFromAST()`, no type is provided. The resulting JavaScript value
 * will reflect the provided GraphQL value AST.
 *
 * | GraphQL Value        | JavaScript Value |
 * | -------------------- | ---------------- |
 * | Input Object         | Object           |
 * | List                 | Array            |
 * | Boolean              | Boolean          |
 * | String / Enum        | String           |
 * | Int / Float          | Number           |
 * | Null                 | null             |
 *
 */
export function valueFromASTUntyped(valueNode, variables) {
    switch (valueNode.kind) {
        case Kind.NULL:
            return null;
        case Kind.INT:
            return parseInt(valueNode.value, 10);
        case Kind.FLOAT:
            return parseFloat(valueNode.value);
        case Kind.STRING:
        case Kind.ENUM:
        case Kind.BOOLEAN:
            return valueNode.value;
        case Kind.LIST:
            return valueNode.values.map(node => valueFromASTUntyped(node, variables));
        case Kind.OBJECT:
            return keyValMap(valueNode.fields, field => field.name.value, field => valueFromASTUntyped(field.value, variables));
        case Kind.VARIABLE:
            return variables === null || variables === void 0 ? void 0 : variables[valueNode.name.value];
    }
}