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/proc/self/root/var/runtime/node_modules/@aws-sdk/node_modules/concat-map/test

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map.js1.0 KB · 40 lines
var concatMap = require('../');var test = require('tape'); test('empty or not', function (t) {    var xs = [ 1, 2, 3, 4, 5, 6 ];    var ixes = [];    var ys = concatMap(xs, function (x, ix) {        ixes.push(ix);        return x % 2 ? [ x - 0.1, x, x + 0.1 ] : [];    });    t.same(ys, [ 0.9, 1, 1.1, 2.9, 3, 3.1, 4.9, 5, 5.1 ]);    t.same(ixes, [ 0, 1, 2, 3, 4, 5 ]);    t.end();}); test('always something', function (t) {    var xs = [ 'a', 'b', 'c', 'd' ];    var ys = concatMap(xs, function (x) {        return x === 'b' ? [ 'B', 'B', 'B' ] : [ x ];    });    t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);    t.end();}); test('scalars', function (t) {    var xs = [ 'a', 'b', 'c', 'd' ];    var ys = concatMap(xs, function (x) {        return x === 'b' ? [ 'B', 'B', 'B' ] : x;    });    t.same(ys, [ 'a', 'B', 'B', 'B', 'c', 'd' ]);    t.end();}); test('undefs', function (t) {    var xs = [ 'a', 'b', 'c', 'd' ];    var ys = concatMap(xs, function () {});    t.same(ys, [ undefined, undefined, undefined, undefined ]);    t.end();});