node_modules/graphql/utilities/findDeprecatedUsages.mjs

import { GraphQLError } from "../error/GraphQLError.mjs";
import { visit } from "../language/visitor.mjs";
import { getNamedType } from "../type/definition.mjs";
import { TypeInfo, visitWithTypeInfo } from "./TypeInfo.mjs";
/**
 * A validation rule which reports deprecated usages.
 *
 * Returns a list of GraphQLError instances describing each deprecated use.
 */

export function findDeprecatedUsages(schema, ast) {
  var errors = [];
  var typeInfo = new TypeInfo(schema);
  visit(ast, visitWithTypeInfo(typeInfo, {
    Field: function Field(node) {
      var parentType = typeInfo.getParentType();
      var fieldDef = typeInfo.getFieldDef();

      if (parentType && (fieldDef === null || fieldDef === void 0 ? void 0 : fieldDef.deprecationReason) != null) {
        errors.push(new GraphQLError("The field \"".concat(parentType.name, ".").concat(fieldDef.name, "\" is deprecated. ") + fieldDef.deprecationReason, node));
      }
    },
    EnumValue: function EnumValue(node) {
      var type = getNamedType(typeInfo.getInputType());
      var enumVal = typeInfo.getEnumValue();

      if (type && (enumVal === null || enumVal === void 0 ? void 0 : enumVal.deprecationReason) != null) {
        errors.push(new GraphQLError("The enum value \"".concat(type.name, ".").concat(enumVal.name, "\" is deprecated. ") + enumVal.deprecationReason, node));
      }
    }
  }));
  return errors;
}