forked from OpenNeo/impress
40 lines
1.1 KiB
JavaScript
40 lines
1.1 KiB
JavaScript
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const fetch = require("node-fetch");
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async function loadAssetManifest(swfUrl) {
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const manifestUrl = convertSwfUrlToManifestUrl(swfUrl);
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const res = await fetch(manifestUrl);
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if (res.status === 404) {
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return null;
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} else if (!res.ok) {
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throw new Error(
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`for asset manifest, images.neopets.com returned: ` +
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`${res.status} ${res.statusText}. (${manifestUrl})`
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);
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}
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const json = await res.json();
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return {
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assets: json["cpmanifest"]["assets"].map((asset) => ({
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format: asset["format"],
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assetData: asset["asset_data"].map((assetDatum) => ({
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path: assetDatum["url"],
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})),
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})),
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};
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}
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const SWF_URL_PATTERN = /^http:\/\/images\.neopets\.com\/cp\/(.+?)\/swf\/(.+?)\.swf$/;
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function convertSwfUrlToManifestUrl(swfUrl) {
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const match = swfUrl.match(SWF_URL_PATTERN);
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if (!match) {
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throw new Error(`unexpected SWF URL format: ${JSON.stringify(swfUrl)}`);
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}
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const [_, type, folders] = match;
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return `http://images.neopets.com/cp/${type}/data/${folders}/manifest.json`;
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}
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module.exports = { loadAssetManifest };
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