const flatten = (object, prefix = '') => Object.keys(object).reduce( (prev, element) => object[element] && typeof object[element] === 'object' && !Array.isArray(object[element]) ? { ...prev, ...flatten(object[element], `${prefix}${element}.`) } : { ...prev, ...{ [`${prefix}${element}`]: object[element] } }, {}, );
Preview:
downloadDownload PNG
downloadDownload JPEG
downloadDownload SVG
Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!
Click to optimize width for Twitter