How to use GetFlags method of launcher Package

Best Rod code snippet using launcher.GetFlags

launcher.go

Source:launcher.go Github

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...143 return l144}145// Get flag's first value146func (l *Launcher) Get(name flags.Flag) string {147 if list, has := l.GetFlags(name); has {148 return list[0]149 }150 return ""151}152// Has flag or not153func (l *Launcher) Has(name flags.Flag) bool {154 _, has := l.GetFlags(name)155 return has156}157// GetFlags from settings158func (l *Launcher) GetFlags(name flags.Flag) ([]string, bool) {159 flag, has := l.Flags[l.normalizeFlag(name)]160 return flag, has161}162// Append values to the flag163func (l *Launcher) Append(name flags.Flag, values ...string) *Launcher {164 flags, has := l.GetFlags(name)165 if !has {166 flags = []string{}167 }168 return l.Set(name, append(flags, values...)...)169}170// Delete a flag171func (l *Launcher) Delete(name flags.Flag) *Launcher {172 delete(l.Flags, l.normalizeFlag(name))173 return l174}175// Bin of the browser binary path to launch, if the path is not empty the auto download will be disabled176func (l *Launcher) Bin(path string) *Launcher {177 return l.Set(flags.Bin, path)178}179// Revision of the browser to auto download180func (l *Launcher) Revision(rev int) *Launcher {181 l.browser.Revision = rev182 return l183}184// Headless switch. Whether to run browser in headless mode. A mode without visible UI.185func (l *Launcher) Headless(enable bool) *Launcher {186 if enable {187 return l.Set(flags.Headless)188 }189 return l.Delete(flags.Headless)190}191// NoSandbox switch. Whether to run browser in no-sandbox mode.192// Linux users may face "running as root without --no-sandbox is not supported" in some Linux/Chrome combinations. This function helps switch mode easily.193// Be aware disabling sandbox is not trivial. Use at your own risk.194// Related doc: https://bugs.chromium.org/p/chromium/issues/detail?id=638180195func (l *Launcher) NoSandbox(enable bool) *Launcher {196 if enable {197 return l.Set(flags.NoSandbox)198 }199 return l.Delete(flags.NoSandbox)200}201// XVFB enables to run browser in by XVFB. Useful when you want to run headful mode on linux.202func (l *Launcher) XVFB(args ...string) *Launcher {203 return l.Set(flags.XVFB, args...)204}205// Leakless switch. If enabled, the browser will be force killed after the Go process exits.206// The doc of leakless: https://github.com/ysmood/leakless.207func (l *Launcher) Leakless(enable bool) *Launcher {208 if enable {209 return l.Set(flags.Leakless)210 }211 return l.Delete(flags.Leakless)212}213// Devtools switch to auto open devtools for each tab214func (l *Launcher) Devtools(autoOpenForTabs bool) *Launcher {215 if autoOpenForTabs {216 return l.Set("auto-open-devtools-for-tabs")217 }218 return l.Delete("auto-open-devtools-for-tabs")219}220// UserDataDir is where the browser will look for all of its state, such as cookie and cache.221// When set to empty, browser will use current OS home dir.222// Related doc: https://chromium.googlesource.com/chromium/src/+/master/docs/user_data_dir.md223func (l *Launcher) UserDataDir(dir string) *Launcher {224 if dir == "" {225 l.Delete(flags.UserDataDir)226 } else {227 l.Set(flags.UserDataDir, dir)228 }229 return l230}231// ProfileDir is the browser profile the browser will use.232// When set to empty, the profile 'Default' is used.233// Related article: https://superuser.com/a/377195234func (l *Launcher) ProfileDir(dir string) *Launcher {235 if dir == "" {236 l.Delete("profile-directory")237 } else {238 l.Set("profile-directory", dir)239 }240 return l241}242// RemoteDebuggingPort to launch the browser. Zero for a random port. Zero is the default value.243// If it's not zero and the Launcher.Leakless is disabled, the launcher will try to reconnect to it first,244// if the reconnection fails it will launch a new browser.245func (l *Launcher) RemoteDebuggingPort(port int) *Launcher {246 return l.Set(flags.RemoteDebuggingPort, fmt.Sprintf("%d", port))247}248// Proxy switch. When disabled leakless will be disabled.249func (l *Launcher) Proxy(host string) *Launcher {250 return l.Set(flags.ProxyServer, host)251}252// WorkingDir to launch the browser process.253func (l *Launcher) WorkingDir(path string) *Launcher {254 return l.Set(flags.WorkingDir, path)255}256// Env to launch the browser process. The default value is os.Environ().257// Usually you use it to set the timezone env. Such as:258// Env(append(os.Environ(), "TZ=Asia/Tokyo")...)259func (l *Launcher) Env(env ...string) *Launcher {260 return l.Set(flags.Env, env...)261}262// StartURL to launch263func (l *Launcher) StartURL(u string) *Launcher {264 return l.Set("", u)265}266// FormatArgs returns the formated arg list for cli267func (l *Launcher) FormatArgs() []string {268 execArgs := []string{}269 for k, v := range l.Flags {270 if k == flags.Arguments {271 continue272 }273 if strings.HasPrefix(string(k), "rod-") {274 continue275 }276 // fix a bug of chrome, if path is not absolute chrome will hang277 if k == flags.UserDataDir {278 abs, err := filepath.Abs(v[0])279 utils.E(err)280 v[0] = abs281 }282 str := "--" + string(k)283 if v != nil {284 str += "=" + strings.Join(v, ",")285 }286 execArgs = append(execArgs, str)287 }288 execArgs = append(execArgs, l.Flags[flags.Arguments]...)289 sort.Strings(execArgs)290 return execArgs291}292// Logger to handle stdout and stderr from browser.293// For example, pipe all browser output to stdout: launcher.New().Logger(os.Stdout)294func (l *Launcher) Logger(w io.Writer) *Launcher {295 l.logger = w296 return l297}298// MustLaunch is similar to Launch299func (l *Launcher) MustLaunch() string {300 u, err := l.Launch()301 utils.E(err)302 return u303}304// Launch a standalone temp browser instance and returns the debug url.305// bin and profileDir are optional, set them to empty to use the default values.306// If you want to reuse sessions, such as cookies, set the UserDataDir to the same location.307func (l *Launcher) Launch() (string, error) {308 defer l.ctxCancel()309 bin, err := l.getBin()310 if err != nil {311 return "", err312 }313 var ll *leakless.Launcher314 var cmd *exec.Cmd315 if l.Has(flags.Leakless) && leakless.Support() {316 ll = leakless.New()317 cmd = ll.Command(bin, l.FormatArgs()...)318 } else {319 port := l.Get(flags.RemoteDebuggingPort)320 u, err := ResolveURL(port)321 if err == nil {322 return u, nil323 }324 cmd = exec.Command(bin, l.FormatArgs()...)325 }326 l.setupCmd(cmd)327 err = cmd.Start()328 if err != nil {329 return "", err330 }331 if ll == nil {332 l.pid = cmd.Process.Pid333 } else {334 l.pid = <-ll.Pid()335 if ll.Err() != "" {336 return "", errors.New(ll.Err())337 }338 }339 go func() {340 _ = cmd.Wait()341 close(l.exit)342 }()343 u, err := l.getURL()344 if err != nil {345 l.Kill()346 return "", err347 }348 return ResolveURL(u)349}350func (l *Launcher) setupCmd(cmd *exec.Cmd) {351 l.osSetupCmd(cmd)352 dir := l.Get(flags.WorkingDir)353 env, _ := l.GetFlags(flags.Env)354 cmd.Dir = dir355 cmd.Env = env356 cmd.Stdout = io.MultiWriter(l.logger, l.parser)357 cmd.Stderr = io.MultiWriter(l.logger, l.parser)358}359func (l *Launcher) getBin() (string, error) {360 bin := l.Get(flags.Bin)361 if bin == "" {362 l.browser.Context = l.ctx363 return l.browser.Get()364 }365 return bin, nil366}367func (l *Launcher) getURL() (u string, err error) {...

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GetFlags

Using AI Code Generation

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1import (2func main() {3 flags := relay.GetFlags()4 fmt.Println(flags)5}6{"feature-flag-key":true}7{ "debug": true }

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GetFlags

Using AI Code Generation

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1import (2func main() {3 iris.Get("/hello", func(ctx *iris.Context) {4 ctx.Write("Hello world!")5 })6 iris.GetFlags(os.Args[1:])7 fmt.Println("Listening on port 8080")8 iris.Listen(":8080")9}

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GetFlags

Using AI Code Generation

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1import (2func main() {3 launcher := new(Launcher)4 flags := launcher.GetFlags()5 fmt.Println("Flags: ", flags)6 fmt.Println("Go Version: ", runtime.Version())7}8import (9type Launcher struct {10 flags map[string]interface{}11}12func (launcher *Launcher) GetFlags() map[string]interface{} {13 if len(launcher.flags) == 0 {14 var (15 version = flag.Bool("version", false, "Prints the current version")16 help = flag.Bool("help", false, "Prints the help text")17 command = flag.String("command", "", "Command to run")18 flag.Parse()19 launcher.flags = map[string]interface{}{20 }21 }22}23func main() {24 launcher := new(Launcher)25 flags := launcher.GetFlags()26 fmt.Println("Flags: ", flags)27 fmt.Println("Go Version: ", runtime.Version())28}

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GetFlags

Using AI Code Generation

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1import (2func main() {3 l := launcher.NewLauncher()4 flags := l.GetFlags()5 flagValueInt, _ := strconv.Atoi(flagValue)6 fmt.Println(flagValueInt)7 fmt.Println(os.Args)8}

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GetFlags

Using AI Code Generation

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1import (2func main() {3 var (4 fs := flag.NewFlagSet("server", flag.ExitOnError)5 port := fs.Int("port", defaultPort, "port number")6 host := fs.String("host", defaultHost, "host name")7 fs.Parse(launcher.GetFlags())8 fmt.Println(*port)9 fmt.Println(*host)10}

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