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Skip unused "item" field in spotify api
+26
-6
src/components/playing/spotify/api.ts
+26
-6
src/components/playing/spotify/api.ts
···
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1
import getAccessCode from "./access";
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import { SpotifyError, throws } from "./errors";
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import { isNowPlaying, type nowPlaying } from "./types";
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import { isObj } from "/utils";
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/**
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* Wrapper for authorizing a spotify API with default headers etc
···
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* @throws `SpotifyError` of NO_AUTH | UNHANDLED_API_ERR | INVALID_AUTH_RES | RATE_LIMITED | NO_CONTENT | MALFORMED_SPOTIFY_RES
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*/
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export async function spotifyNowPlaying() {
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type success = nowPlaying["item"];
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type success = nowPlaying;
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let res: (v: success) => void, rej: (v: unknown) => void;
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const output = new Promise<success>((_res, _rej) => {
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(res = _res), (rej = _rej);
···
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// quit early if it rejected last time
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if (!resp) return;
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try {
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const json = await resp.json();
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-
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const json = await resp
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.json()
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.then((res) =>
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isObj(res) && "item" in res && isObj(res.item)
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? res.item
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: throws("Item field missing"),
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);
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// verify structure
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if (!isNowPlaying(json)) {
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rej(new SpotifyError("MALFORMED_SPOTIFY_RES", json, "Response missing required fields."));
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rej(
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new SpotifyError(
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"MALFORMED_SPOTIFY_RES",
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json,
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"Response missing required fields.",
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),
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);
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return;
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}
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res(json.item)
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} catch (e) {}
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res(json);
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} catch (e) {
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rej(
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new SpotifyError(
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"MALFORMED_SPOTIFY_RES",
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e,
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"Could not parse JSON.",
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),
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);
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}
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});
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return output;
+16
-20
src/components/playing/spotify/types.ts
+16
-20
src/components/playing/spotify/types.ts
···
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return isRefreshToken(obj) && "refresh_token" in obj;
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}
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-
export type nowPlaying = {
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item: null | {
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export type nowPlaying =null | {
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type: "track";
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id: string;
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name: string;
···
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id: string;
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}[];
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};
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};
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export function isNowPlaying(obj: object): obj is nowPlaying {
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export function isNowPlaying(obj: unknown): obj is nowPlaying {
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return (
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isObj(obj) &&
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"item" in obj &&
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isObj(obj.item) &&
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"type" in obj.item &&
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obj.item.type === "track" &&
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"id" in obj.item &&
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typeof obj.item.id === "string" &&
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"name" in obj.item &&
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typeof obj.item.name === "string" &&
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"album" in obj.item &&
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isObj(obj.item.album) &&
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"images" in obj.item.album &&
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Array.isArray(obj.item.album.images) &&
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obj.item.album.images.reduce(
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"type" in obj &&
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obj.type === "track" &&
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"id" in obj &&
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typeof obj.id === "string" &&
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"name" in obj &&
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typeof obj.name === "string" &&
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"album" in obj &&
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isObj(obj.album) &&
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"images" in obj.album &&
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Array.isArray(obj.album.images) &&
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obj.album.images.reduce(
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(acc, curr) =>
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acc &&
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"url" in curr &&
···
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typeof curr.width === "number",
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true,
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) &&
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"artists" in obj.item &&
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Array.isArray(obj.item.artists) &&
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obj.item.artists.reduce(
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"artists" in obj &&
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Array.isArray(obj.artists) &&
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+
obj.artists.reduce(
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(acc, curr) =>
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acc &&
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"name" in curr &&