Files
welshman/packages/app/src/core.ts
T

52 lines
1.2 KiB
TypeScript

import {throttle} from "@welshman/lib"
import {Repository, Relay} from "@welshman/util"
import type {TrustedEvent} from "@welshman/util"
import {Tracker} from "@welshman/net"
import {custom} from "@welshman/store"
export const repository = new Repository<TrustedEvent>()
export const relay = new Relay(repository)
export const tracker = new Tracker()
// Adapt above objects to stores
export const makeRepositoryStore = ({throttle: t = 300}: {throttle?: number} = {}) =>
custom(
setter => {
let onUpdate = () => setter(repository)
if (t) {
onUpdate = throttle(t, onUpdate)
}
onUpdate()
repository.on("update", onUpdate)
return () => repository.off("update", onUpdate)
},
{
set: (other: Repository) => repository.load(other.dump()),
},
)
export const makeTrackerStore = ({throttle: t = 300}: {throttle?: number} = {}) =>
custom(
setter => {
let onUpdate = () => setter(tracker)
if (t) {
onUpdate = throttle(t, onUpdate)
}
onUpdate()
tracker.on("update", onUpdate)
return () => tracker.off("update", onUpdate)
},
{
set: (other: Tracker) => tracker.load(other.relaysById),
},
)