export function invariant(condition: any, log: string, ...logVars: string[]) { if (!condition) { throw new Error( process.env.NODE_ENV === 'development' ? log .split('%s') .flatMap((chunk, i) => [chunk, logVars[i]]) .join('') : log ) } } export function warning(condition: any, log: string, ...logVars: string[]) { if (process.env.NODE_ENV === 'development') { try { invariant(condition, log, ...logVars) } catch (err) { console.warn(err) // allow to pass through } } }