Javascript Number Precision Equaliser

precisionDowner.js

// Developed by Seçkin KÜKRER (@LeaveNhA) for Vue Turkiye Community!



// Downs the numbers precision to the lowest precision number of the vector.
const precisionDowner = ns =>
  ([v => v.map(n => ({count: (n + '').length, value: n})),
    v => v.sort((a,b) => a.count > b.count),
    v => ({meta: {minCount: v[0].count}, value: v}),
    md => md.value.map(n => Number.parseFloat(n.value).toPrecision(md.meta.minCount))
   ]
   .reduce((acc, f) => f(acc), ns));