60 lines
2.3 KiB
TypeScript
60 lines
2.3 KiB
TypeScript
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import { debounce } from "../../utils";
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import { PronounCode, PronounsResponse } from "./types";
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// A map of cached pronouns so the same request isn't sent twice
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const cache: Record<string, PronounCode> = {};
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// A map of ids and callbacks that should be triggered on fetch
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const requestQueue: Record<string, ((pronouns: PronounCode) => void)[]> = {};
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// Executes all queued requests and calls their callbacks
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const bulkFetch = debounce(async () => {
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const ids = Object.keys(requestQueue);
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const pronouns = await bulkFetchPronouns(ids);
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for (const id of ids) {
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// Call all callbacks for the id
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requestQueue[id].forEach(c => c(pronouns[id]));
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delete requestQueue[id];
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}
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});
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// Fetches the pronouns for one id, returning a promise that resolves if it was cached, or once the request is completed
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export function fetchPronouns(id: string): Promise<PronounCode> {
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return new Promise(res => {
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// If cached, return the cached pronouns
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if (id in cache) res(cache[id]);
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// If there is already a request added, then just add this callback to it
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else if (id in requestQueue) requestQueue[id].push(res);
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// If not already added, then add it and call the debounced function to make sure the request gets executed
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else {
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requestQueue[id] = [res];
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bulkFetch();
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}
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});
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}
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async function bulkFetchPronouns(ids: string[]): Promise<PronounsResponse> {
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const params = new URLSearchParams();
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params.append("platform", "discord");
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params.append("ids", ids.join(","));
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try {
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const req = await fetch("https://pronoundb.org/api/v1/lookup-bulk?" + params, {
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method: "GET",
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headers: {
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"Accept": "application/json"
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}
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});
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return await req.json()
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.then((res: PronounsResponse) => {
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Object.assign(cache, res);
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return res;
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});
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} catch (e) {
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// If the request errors, treat it as if no pronouns were found for all ids, and log it
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console.error("PronounDB fetching failed: ", e);
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const dummyPronouns = Object.fromEntries(ids.map(id => [id, "unspecified"] as const));
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Object.assign(cache, dummyPronouns);
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return dummyPronouns;
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}
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}
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