fromTrigger()

Creates a manual trigger source. .fire(value) emits into the stream without equality dedup.

Signature

function fromTrigger<T>(opts?: { initial?: T; name?: string }): TriggerStore<T>

Parameters

Parameter	Type	Description
opts	{ initial?: T; name?: string }	Optional configuration.

Property	Type	Default	Description
name	string	undefined	Debug name for Inspector.
initial	T	undefined	Value before first fire().

Returns

TriggerStore<T> — a store with:

Method	Signature	Description
get()	() => T \	undefined
fire(value)	(value: T) => void	Emit a value to all subscribers.
source	callbag	Underlying callbag source for subscriptions.

Basic Usage

import { fromTrigger } from 'callbag-recharge/orchestrate';
import { subscribe } from 'callbag-recharge';

const trigger = fromTrigger<string>();
subscribe(trigger, v => console.log(v));
trigger.fire("go"); // logs "go"
trigger.fire("go"); // logs "go" again

Options / Behavior Details

• No dedup: Every fire() call emits, even if the value is the same as the previous one.
• Pulse semantics: Backed by producer() — an event source, not persistent state.

See Also

• producer — general-purpose source