vielle.dev
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Handle exceptions in the SSE
+29
-20
src/pages/now-playing-sse.ts
+29
-20
src/pages/now-playing-sse.ts
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import { nowPlaying } from "/components/playing/spotify";
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export async function GET() {
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const update = async (): Promise<string> => {
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// extract a subset to reduce size for client
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// not huge savings but tesco yk
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const playing = await nowPlaying().then((playing) =>
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playing
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? {
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type: "track",
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id: playing.id,
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name: playing.name,
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album: {
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images: playing.album.images.map((x) => ({
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url: x.url,
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width: x.width,
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height: x.height,
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})),
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},
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artists: playing.artists.map((x) => ({
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name: x.name,
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id: x.id,
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})),
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}
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: null,
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);
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// SSE syntax: https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events#event_stream_format
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return `event: playing\ndata: ${JSON.stringify(playing)}\n\n`;
···
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import { spotifyNowPlaying, SpotifyError } from "/components/playing/spotify";
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export async function GET() {
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const update = async (): Promise<string> => {
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// extract a subset to reduce size for client
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// not huge savings but tesco yk
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+
const playing = await spotifyNowPlaying()
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.then((playing) =>
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playing
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? {
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type: "track",
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id: playing.id,
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name: playing.name,
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album: {
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images: playing.album.images.map((x) => ({
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url: x.url,
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width: x.width,
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height: x.height,
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})),
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},
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artists: playing.artists.map((x) => ({
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name: x.name,
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id: x.id,
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})),
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}
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: null,
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)
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.catch((err) => {
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if (!(err instanceof SpotifyError))
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throw new Error("Unhandled exception");
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console.error(err.code, err.human, err.details);
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+
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if (err.code === "NO_CONTENT") return null;
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return err;
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});
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// SSE syntax: https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events/Using_server-sent_events#event_stream_format
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return `event: playing\ndata: ${JSON.stringify(playing)}\n\n`;