Struct LaunchOptions 

pub struct LaunchOptions {

    pub args: Option<Vec<String>>,
    pub channel: Option<String>,
    pub chromium_sandbox: Option<bool>,
    pub devtools: Option<bool>,
    pub downloads_path: Option<String>,
    pub env: Option<HashMap<String, String>>,
    pub executable_path: Option<String>,
    pub firefox_user_prefs: Option<HashMap<String, Value>>,
    pub handle_sighup: Option<bool>,
    pub handle_sigint: Option<bool>,
    pub handle_sigterm: Option<bool>,
    pub headless: Option<bool>,
    pub ignore_default_args: Option<IgnoreDefaultArgs>,
    pub proxy: Option<ProxySettings>,
    pub slow_mo: Option<f64>,
    pub timeout: Option<f64>,
    pub traces_dir: Option<String>,
}

Options for launching a browser

All options are optional and will use Playwright’s defaults if not specified.

Fields

args: Option<Vec<String>>

Additional arguments to pass to browser instance

channel: Option<String>

Browser distribution channel (e.g., “chrome”, “msedge”)

chromium_sandbox: Option<bool>

Enable Chromium sandboxing (default: false on Linux)

devtools: Option<bool>

Auto-open DevTools (deprecated, default: false)

downloads_path: Option<String>

Directory to save downloads

env: Option<HashMap<String, String>>

Environment variables for browser process

executable_path: Option<String>

Path to custom browser executable

firefox_user_prefs: Option<HashMap<String, Value>>

Firefox user preferences (Firefox only)

handle_sighup: Option<bool>

Close browser on SIGHUP (default: true)

handle_sigint: Option<bool>

Close browser on SIGINT/Ctrl-C (default: true)

handle_sigterm: Option<bool>

Close browser on SIGTERM (default: true)

headless: Option<bool>

Run in headless mode (default: true unless devtools=true)

ignore_default_args: Option<IgnoreDefaultArgs>

Filter or disable default browser arguments

proxy: Option<ProxySettings>

Network proxy settings

slow_mo: Option<f64>

Slow down operations by N milliseconds

timeout: Option<f64>

Timeout for browser launch in milliseconds (default: DEFAULT_TIMEOUT_MS)

traces_dir: Option<String>

Directory to save traces

Implementations

impl LaunchOptions

pub fn new() -> Self

Creates a new LaunchOptions with default values

pub fn args(self, args: Vec<String>) -> Self

Set additional arguments to pass to browser instance

pub fn channel(self, channel: String) -> Self

Set browser distribution channel

pub fn chromium_sandbox(self, enabled: bool) -> Self

Enable or disable Chromium sandboxing

pub fn devtools(self, enabled: bool) -> Self

Auto-open DevTools

pub fn downloads_path(self, path: String) -> Self

Set directory to save downloads

pub fn env(self, env: HashMap<String, String>) -> Self

Set environment variables for browser process

pub fn executable_path(self, path: String) -> Self

Set path to custom browser executable

pub fn firefox_user_prefs(self, prefs: HashMap<String, Value>) -> Self

Set Firefox user preferences (Firefox only)

pub fn handle_sighup(self, enabled: bool) -> Self

Set whether to close browser on SIGHUP

pub fn handle_sigint(self, enabled: bool) -> Self

Set whether to close browser on SIGINT/Ctrl-C

pub fn handle_sigterm(self, enabled: bool) -> Self

Set whether to close browser on SIGTERM

pub fn headless(self, enabled: bool) -> Self

Run in headless mode

pub fn ignore_default_args(self, args: IgnoreDefaultArgs) -> Self

Filter or disable default browser arguments

pub fn proxy(self, proxy: ProxySettings) -> Self

Set network proxy settings

pub fn slow_mo(self, ms: f64) -> Self

Slow down operations by N milliseconds

pub fn timeout(self, ms: f64) -> Self

Set timeout for browser launch in milliseconds

pub fn traces_dir(self, path: String) -> Self

Set directory to save traces

Trait Implementations

impl Clone for LaunchOptions

fn clone(&self) -> LaunchOptions

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for LaunchOptions

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for LaunchOptions

fn default() -> LaunchOptions

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for LaunchOptions

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for LaunchOptions

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.