To avoid Object.fromEntries, there is .reduce.
Object.fromEntries
.reduce
arr.map(o => [o[key], o]).reduce((prev, [k, v]) => { ...prev, [k]: v }, {})
Actually, with map, filter, reduce -- you can do a lot.
It is impossible to say that you cannot do something in one-liner JavaScript, because minified JS is also a one liner.
I agree. I think there're things like differenceWith in Lodash that are harder to implement by ourselves and not available in the standard library.
differenceWith
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To avoid
Object.fromEntries, there is.reduce.Actually, with map, filter, reduce -- you can do a lot.
It is impossible to say that you cannot do something in one-liner JavaScript, because minified JS is also a one liner.
I agree. I think there're things like
differenceWithin Lodash that are harder to implement by ourselves and not available in the standard library.