biobulkbende.org/node_modules/minimist/test/all_bool.js

var parse = require('../');
var test = require('tape');

test('flag boolean true (default all --args to boolean)', function (t) {
    var argv = parse(['moo', '--honk', 'cow'], {
        boolean: true
    });
    
    t.deepEqual(argv, {
        honk: true,
        _: ['moo', 'cow']
    });
    
    t.deepEqual(typeof argv.honk, 'boolean');
    t.end();
});

test('flag boolean true only affects double hyphen arguments without equals signs', function (t) {
    var argv = parse(['moo', '--honk', 'cow', '-p', '55', '--tacos=good'], {
        boolean: true
    });
    
    t.deepEqual(argv, {
        honk: true,
        tacos: 'good',
        p: 55,
        _: ['moo', 'cow']
    });
    
    t.deepEqual(typeof argv.honk, 'boolean');
    t.end();
});