60 lines
1.6 KiB
TypeScript
60 lines
1.6 KiB
TypeScript
/*!
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* This file is part of Share₂Fedi
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* https://github.com/kytta/share2fedi
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*
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* SPDX-FileCopyrightText: © 2023 Nikita Karamov <me@kytta.dev>
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { supportedProjects } from "./project";
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interface Instance {
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domain: string;
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score: number;
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active_users_monthly: number;
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total_users: number;
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}
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const getInstancesForProject = async (
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project: keyof typeof supportedProjects,
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): Promise<Instance[]> => {
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let instances: Instance[];
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try {
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const response = await fetch("https://api.fediverse.observer/", {
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headers: {
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Accept: "*/*",
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"Accept-Language": "en;q=1.0",
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"Content-Type": "application/json",
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},
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body: JSON.stringify({
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query: `{nodes(status:"UP",softwarename:"${project}"){domain score active_users_monthly total_users}}`,
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}),
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method: "POST",
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});
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const json = await response.json();
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instances = json.data.nodes;
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} catch (error) {
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console.error(`Could not fetch instances for "${project}"`, error);
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return [];
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}
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return instances.filter(
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(instance) =>
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instance.score > 90 &&
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// sanity check for some spammy-looking instances
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instance.total_users >= instance.active_users_monthly,
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);
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};
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export const getPopularInstanceDomains = async (): Promise<string[]> => {
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const instancesPerProject = await Promise.all(
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Object.keys(supportedProjects).map((project) =>
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getInstancesForProject(project),
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),
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);
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const instances = instancesPerProject.flat();
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instances.sort((a, b) => b.active_users_monthly - a.active_users_monthly);
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return instances.slice(0, 200).map((instance) => instance.domain);
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};
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