vrrv-installer-builder/nsis-auto-updater/nm/concat-map/example/map.js

A complete solution to package and build a ready for distribution Electron app for MacOS, Windows and Linux with “auto update” support out of the box

var concatMap = require('../');
var xs = [ 1, 2, 3, 4, 5, 6 ];
var ys = concatMap(xs, function (x) {
    return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];
});
console.dir(ys);