Object.assign polyfill respecting !important notation.
Merge and extend objects.
Easily deep assign objects and merge arrays inside of them
Object.assign with sorted keys
Object.assign polyfill copied from MDN
Minimalist deep merging of Objects with the same function signature as Object.assign()
Delivers ponyfills as modules, uses native alternatives first when available
Make Object.assign() safer for values and objects.
A better Object.assign that merges object properties and concatenates arrays.
Deep merge objects, better version of native Object.assign.