pub struct Session { /* private fields */ }Expand description
A persistent QuickJS runtime + context reused across many script
executions for one logical session.
User state on globalThis (and var / function declarations,
which hoist to the global object) survives across execute calls
REPL-style. Top-level let / const inside a script are scoped to
the async wrapper of that single call and do NOT persist — assign to
globalThis for continuity. Framework bindings (page, context,
request, browser, vars, fs, artifacts, console, args)
are reinstalled every call so they always reflect current session
state. Plugin bindings are installed once at creation.
Implementations§
Source§impl Session
impl Session
Sourcepub async fn create(
config: ScriptEngineConfig,
context: &RunContext,
) -> Result<Self, ScriptError>
pub async fn create( config: ScriptEngineConfig, context: &RunContext, ) -> Result<Self, ScriptError>
Build the persistent VM: runtime, resource limits, sandbox-rooted
module loader, context, and one-time plugin install. The module
loader is bound to context.sandbox for the VM’s lifetime, so a
session must always be driven with the same script_root.
Sourcepub fn async_context(&self) -> AsyncContext
pub fn async_context(&self) -> AsyncContext
The session’s owning AsyncContext. The BDD core clones this to
drive registered JS step functions back over the async bridge
(same mechanism as page.route cross-task dispatch).
Sourcepub async fn install_session_procs(&self, procs: Arc<SessionProcs>)
pub async fn install_session_procs(&self, procs: Arc<SessionProcs>)
Stash the session’s persistent-process registry into VM userdata
so plugin commands start/status/stop reach it. Idempotent; the
same Arc is re-installed on each VM rebuild (the registry is
durable session state, the VM is not).
Sourcepub async fn execute(
&self,
source: &str,
args: &[Value],
options: RunOptions,
context: &RunContext,
) -> SessionRun
pub async fn execute( &self, source: &str, args: &[Value], options: RunOptions, context: &RunContext, ) -> SessionRun
Execute one script against the persistent VM. Framework globals are
refreshed from context first; user globalThis state from prior
executions is preserved.
Auto Trait Implementations§
impl !Freeze for Session
impl !RefUnwindSafe for Session
impl Send for Session
impl Sync for Session
impl Unpin for Session
impl UnsafeUnpin for Session
impl !UnwindSafe for Session
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.tap_borrow_mut() only in debug builds, and is erased in release
builds.Source§fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
Calls
.tap_ref() only in debug builds, and is erased in release
builds.Source§fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
Calls
.tap_ref_mut() only in debug builds, and is erased in release
builds.Source§fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
Calls
.tap_deref() only in debug builds, and is erased in release
builds.