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Allow setting a different invocation function for EventChain #4160

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merged 1 commit into from
Oct 11, 2024
+8 −1
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Allow setting a different invocation function for EventChain #4160

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9 changes: 8 additions & 1 deletion reflex/event.py
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Original file line number Diff line number Diff line change
Expand Up @@ -389,6 +389,8 @@ class EventChain(EventActionsMixin):

args_spec: Optional[Callable] = dataclasses.field(default=None)

invocation: Optional[Var] = dataclasses.field(default=None)


# These chains can be used for their side effects when no other events are desired.
stop_propagation = EventChain(events=[], args_spec=lambda: []).stop_propagation
Expand Down Expand Up @@ -1323,10 +1325,15 @@ def _cached_var_name(self) -> str:
arg_def = ("...args",)
arg_def_expr = Var(_js_expr="args")

if self._var_value.invocation is None:
invocation = FunctionStringVar.create("addEvents")
else:
invocation = self._var_value.invocation

return str(
ArgsFunctionOperation.create(
arg_def,
FunctionStringVar.create("addEvents").call(
invocation.call(
LiteralVar.create(
[LiteralVar.create(event) for event in self._var_value.events]
),
Expand Down
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