alice.pds.demo.boltless.dev
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1import { getContext } from 'svelte';
2import { createOptimisticCount, type OptimisticCount } from '$lib/optimistic.svelte';
3import type { ProfileCounts } from './types';
4
5export type ProfileCountName = keyof ProfileCounts;
6
7export interface ProfileCountsContext {
8 readonly did: string;
9 readonly value: ProfileCounts;
10 adjust(subjectDid: string, name: ProfileCountName, delta: 1 | -1): void;
11}
12
13export const PROFILE_COUNTS_KEY = Symbol('profile-counts');
14
15export const createProfileCounts = (
16 did: () => string,
17 loaded: () => ProfileCounts
18): ProfileCountsContext => {
19 const counter = (name: ProfileCountName): OptimisticCount =>
20 createOptimisticCount({ key: did, loaded: () => loaded()[name] });
21
22 const counts = {
23 repos: counter('repos'),
24 stars: counter('stars'),
25 strings: counter('strings'),
26 followers: counter('followers'),
27 following: counter('following'),
28 vouches: counter('vouches')
29 };
30
31 return {
32 get did() {
33 return did();
34 },
35 get value() {
36 return {
37 repos: counts.repos.value,
38 stars: counts.stars.value,
39 strings: counts.strings.value,
40 followers: counts.followers.value,
41 following: counts.following.value,
42 vouches: counts.vouches.value
43 };
44 },
45 adjust(subjectDid, name, delta) {
46 if (subjectDid !== did()) return;
47 counts[name].adjust(delta);
48 }
49 };
50};
51
52export const getProfileCounts = (): ProfileCountsContext | null =>
53 getContext<ProfileCountsContext | null>(PROFILE_COUNTS_KEY);