Server : nginx/1.20.1 System : Linux ccpf-production-2021 5.4.0-148-generic #165-Ubuntu SMP Tue Apr 18 08:53:12 UTC 2023 x86_64 User : forge ( 1000) PHP Version : 7.4.21 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/lib/node_modules/pm2/node_modules/concat-map/test/

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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();
});