kopia lustrzana https://gitlab.com/soapbox-pub/soapbox
88 wiersze
2.4 KiB
TypeScript
88 wiersze
2.4 KiB
TypeScript
const truncateFilename = (url: string, maxLength: number) => {
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const filename = url.split('/').pop();
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if (!filename) {
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return filename;
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}
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if (filename.length <= maxLength) return filename;
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return [
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filename.substr(0, maxLength / 2),
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filename.substr(filename.length - maxLength / 2),
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].join('…');
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};
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const formatBytes = (bytes: number, decimals: number = 2) => {
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if (bytes === 0) return '0 Bytes';
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const k = 1024;
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const dm = decimals < 0 ? 0 : decimals;
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const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
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};
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const getVideoDuration = (file: File): Promise<number> => {
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const video = document.createElement('video');
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const promise = new Promise<number>((resolve, reject) => {
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video.addEventListener('loadedmetadata', () => {
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// Chrome bug: https://bugs.chromium.org/p/chromium/issues/detail?id=642012
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if (video.duration === Infinity) {
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video.currentTime = Number.MAX_SAFE_INTEGER;
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video.ontimeupdate = () => {
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video.ontimeupdate = null;
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resolve(video.duration);
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video.currentTime = 0;
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};
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} else {
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resolve(video.duration);
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}
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});
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video.onerror = (event: any) => reject(event.target.error);
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});
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video.src = window.URL.createObjectURL(file);
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return promise;
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};
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const domParser = new DOMParser();
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enum VideoProviders {
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RUMBLE = 'rumble.com'
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}
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const addAutoPlay = (html: string): string => {
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const document = domParser.parseFromString(html, 'text/html').documentElement;
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const iframe = document.querySelector('iframe');
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if (iframe) {
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const url = new URL(iframe.src);
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const provider = new URL(iframe.src).host;
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if (provider === VideoProviders.RUMBLE) {
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url.searchParams.append('pub', '7a20');
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url.searchParams.append('autoplay', '2');
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} else {
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url.searchParams.append('autoplay', '1');
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url.searchParams.append('auto_play', '1');
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iframe.allow = 'autoplay';
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}
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iframe.src = url.toString();
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// DOM parser creates html/body elements around original HTML fragment,
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// so we need to get innerHTML out of the body and not the entire document
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return (document.querySelector('body') as HTMLBodyElement).innerHTML;
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}
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return html;
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};
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export { getVideoDuration, formatBytes, truncateFilename, addAutoPlay };
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