rangeEntries - nodef/extra-entries GitHub Wiki

Find smallest and largest entries.

Similar: range, rangeEntries. Similar: min, max, range.

function rangeEntries(x, fc, fm)
// x:  entries
// fc: compare function (a, b)
// fm: map function (v, k, x)
const entries = require('extra-entries');

var x = ["a", 1], ["b", 2], ["c", -3], ["d", -4](/nodef/extra-entries/wiki/"a",-1],-["b",-2],-["c",--3],-["d",--4);
entries.rangeEntries(x);
// → [ [ "d", -4 ], [ "b", 2 ] ]

entries.rangeEntries(x, (a, b) => Math.abs(a) - Math.abs(b));
// → [ [ "a", 1 ], [ "d", -4 ] ]

entries.rangeEntries(x, null, v => Math.abs(v));
// → [ [ "a", 1 ], [ "d", -4 ] ]

References