start a selenium hub, and then register a node and an appium client

1// wdio.conf.js
2{
3    services: ['selenium-standalone-grid', 'appium'],
4    seleniumStandaloneGridArgs: {
5        install: {
6            drivers: { chrome: {}},
7            // `seleniumStandaloneArgs.install)` will be passed on to SeleniumStandalone.install
8            logger: console.log.bind(console),
9        },
10        hub: {
11            // SeleniumStandalone.start(Object.assign({
12            //     drivers: seleniumStandaloneGridArgs.install.drivers
13            // }, seleiumStandaloneGridArgs.hub, {
14            //     seleniumArgs: CONVERT_OBJECT_TO_CLI_ARGS({ ...seleniumStandaloneGridArgs.hub.seleniumArgs, role: 'hub' })
15            // }));
16            seleniumArgs: {
17                debug: true,
18                host: '127.0.0.1', port: 4445
19            },
20            spawnOptions: {
21                stdio: 'inherit'
22            }
23        },
24        nodes: [{
25            // SeleniumStandalone.start(Object.assign({
26            //     drivers: seleniumStandaloneGridArgs.install.drivers
27            // }, seleiumStandaloneGridArgs.nodes[index], {
28            //     seleniumArgs: CONVERT_OBJECT_TO_CLI_ARGS({
29            //         ...seleniumStandaloneGridArgs.nodes[index].seleniumArgs, role: 'node',
30            //         hub: `http://${hub.host}:${hub.port}/grid/register`
31            //     })
32            // }));
33            seleniumArgs: {
34                port: 4442
35            },
36            spawnOptions: {
37                stdio: 'inherit'
38            }
39        }]
40    },
41}
42