Jon Staab
66 lines
1.8 KiB
TypeScript
66 lines
1.8 KiB
TypeScript
import {writable, derived} from 'svelte/store'
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import {withGetter} from '@welshman/store'
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import {uniq, indexBy, uniqBy, batcher, postJson, last} from '@welshman/lib'
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import {env} from './core'
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import {collection} from './collection'
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import {profilesByPubkey} from './profiles'
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export type Handle = {
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nip05: string
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pubkey?: string
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nip46?: string[]
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relays?: string[]
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}
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export const handles = withGetter(writable<Handle[]>([]))
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export const handlesByPubkey = derived([profilesByPubkey, handles], ([$profilesByPubkey, $handles]) =>
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indexBy(
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$handle => $handle.pubkey,
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$handles.filter($handle => $handle.pubkey && $profilesByPubkey.get($handle.pubkey)?.nip05 === $handle.nip05),
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),
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)
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export const fetchHandles = (handles: string[]) => {
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const base = env.DUFFLEPUD_URL!
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if (!base) {
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throw new Error("DUFFLEPUD_URL is required to fetch nip05 info")
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}
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const res: any = postJson(`${base}/handle/info`, {handles})
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const handlesByNip05 = new Map<string, Handle>()
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for (const {handle, info} of res?.data || []) {
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handlesByNip05.set(handle, info)
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}
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return handlesByNip05
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}
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export const {
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indexStore: handlesByNip05,
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deriveItem: deriveHandle,
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loadItem: loadHandle,
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} = collection({
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name: "handles",
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store: handles,
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getKey: (handle: Handle) => handle.nip05,
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load: batcher(800, async (nip05s: string[]) => {
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const fresh = await fetchHandles(uniq(nip05s))
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const stale = handlesByNip05.get()
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const items: Handle[] = nip05s.map(nip05 => {
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const handle = fresh.get(nip05) || stale.get(nip05) || {}
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return {...handle, nip05}
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})
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handles.update($handles => uniqBy($handle => $handle.nip05, [...$handles, ...items]))
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return items
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}),
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})
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export const displayHandle = (handle: Handle) =>
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handle.nip05.startsWith("_@") ? last(handle.nip05.split("@")) : handle.nip05
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