wikimedia/mediawiki-extensions-Wikibase

// Throw an exception in case console.error/warn was called in a test,
// so that jest fails.
( () => {
    // eslint-disable-next-line no-console
    const error = console.error;

    // eslint-disable-next-line no-console
    console.warn = console.error = function ( message, ...params ) {
        error.apply( console, [ message, ...params ] );
        throw ( message instanceof Error ? message : new Error( message ) );
    };
} )();