pub struct EventSource { /* private fields */ }
Available on crate feature eventsource only.
Expand description

Wrapper around browser’s EventSource API. Dropping this will close the underlying event source.

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impl EventSource

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pub fn new(url: &str) -> Result<Self, JsError>

Establish an EventSource.

This function may error in the following cases:

  • The connection url is invalid

The error returned is JsError. See the MDN Documentation to learn more.

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pub fn subscribe( &mut self, event_type: impl Into<String> ) -> Result<EventSourceSubscription, JsError>

Subscribes to listening for a specific type of event.

All events for this type are streamed back given the subscription returned.

The event type of “message” is a special case, as it will capture events without an event field as well as events that have the specific type event: message. It will not trigger on any other event type.

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pub fn close(self)

Closes the EventSource.

See the MDN Documentation to learn about this function

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pub fn state(&self) -> State

The current state of the EventSource.

Trait Implementations§

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impl Clone for EventSource

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fn clone(&self) -> EventSource

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for EventSource

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

Formats the value using the given formatter. Read more
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impl Drop for EventSource

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fn drop(&mut self)

Executes the destructor for this type. Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for Twhere T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for Twhere U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for Twhere T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for Twhere U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.