node_modules/graphql/jsutils/devAssert.js.flow

// @flow strict

export default function devAssert(condition: mixed, message: string): void {
  const booleanCondition = Boolean(condition);
  /* istanbul ignore else (see transformation done in './resources/inlineInvariant.js') */
  if (!booleanCondition) {
    throw new Error(message);
  }
}