44 lines
1.0 KiB
JavaScript
44 lines
1.0 KiB
JavaScript
const redirectStatuses = new Set([301, 302, 303, 307, 308]);
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export async function getRedirectingURL(url, dispatcher) {
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const location = await fetch(url, {
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redirect: 'manual',
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dispatcher,
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}).then((r) => {
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if (redirectStatuses.has(r.status) && r.headers.has('location')) {
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return r.headers.get('location');
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}
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}).catch(() => null);
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return location;
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}
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export function merge(a, b) {
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for (const k of Object.keys(b)) {
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if (Array.isArray(b[k])) {
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a[k] = [...(a[k] ?? []), ...b[k]];
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} else if (typeof b[k] === 'object') {
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a[k] = merge(a[k], b[k]);
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} else {
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a[k] = b[k];
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}
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}
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return a;
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}
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export function splitFilenameExtension(filename) {
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const parts = filename.split('.');
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const ext = parts.pop();
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if (!parts.length) {
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return [ ext, "" ]
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} else {
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return [ parts.join('.'), ext ]
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}
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}
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export function zip(a, b) {
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return a.map((value, i) => [ value, b[i] ]);
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}
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