30-seconds-of-code/snippets/minBy.md

minBy

Returns the minimum value of an array, after mapping each element to a value using the provided function.

Use Array.map() to map each element to the value returned by fn, Math.min() to get the maximum value.

const minBy = (arr, fn) => Math.min(...arr.map(fn));

minBy([{ 'n': 4 }, { 'n': 2 }, { 'n': 8 }, { 'n': 6 }], o => o.n);  // 8