@extra-array/flat

Flattens nested array to given depth.

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Flattens nested array to given depth. :package: :smileycat: :running: :vhs: :moon: :scroll: :newspaper: :bluebook:
Alternatives: flat, flatMap.

This is part of package extra-array.



array.flat(x, [n], [fm], [ft]);
// x:  a nested array
// n:  maximum depth (-1 => all)
// fm: map function (v, i, x)
// ft: test function (v, i, x)

const array = require("extra-array");

var x = [[1, 2], [3, [4, [5]]]];
array.flat(x);
// [ 1, 2, 3, 4, 5 ]

array.flat(x, 1);
// [ 1, 2, 3, [ 4, [ 5 ] ] ]

array.flat(x, 2);
// [ 1, 2, 3, 4, [ 5 ] ]



References