graphql/utilities/valueFromASTUntyped.mjs

import inspect from "../jsutils/inspect.mjs";
import invariant from "../jsutils/invariant.mjs";
import keyValMap from "../jsutils/keyValMap.mjs";
import { Kind } from "../language/kinds.mjs";

/**
 * 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(function (node) {
        return valueFromASTUntyped(node, variables);
      });

    case Kind.OBJECT:
      return keyValMap(valueNode.fields, function (field) {
        return field.name.value;
      }, function (field) {
        return valueFromASTUntyped(field.value, variables);
      });

    case Kind.VARIABLE:
      return variables === null || variables === void 0 ? void 0 : variables[valueNode.name.value];
  } // istanbul ignore next (Not reachable. All possible value nodes have been considered)


  false || invariant(0, 'Unexpected value node: ' + inspect(valueNode));
}