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@extra-array/flat-map

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  • License MIT

Flattens nested array, based on map function.

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  • @extra-array/flat-map

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Flattens nested array, based on map function. 📦 😺 🏃 📼 🌔 📜 📰 📘

Alternatives: flat, flatMap.

This is part of package extra-array.


array.flatMap(x, [fm], [ft]);
// x:  an array
// 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.flatMap(x);
// [ 1, 2, 3, [ 4, [ 5 ] ] ]

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

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


References