const validateImagesQuality = (quality: unknown): number => { let quality_level: number if (typeof quality === 'string') { quality_level = parseInt(quality) } else if (typeof quality === 'number') { quality_level = quality } else { throw new TypeError( 'prerenderCount count must be a string containing a number or an integer.' ) } if (quality_level === NaN) { throw new TypeError( 'prerenderCount count must be a string containing a number or an integer.' ) } return quality_level } export default validateImagesQuality