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import { CobaltFileMetadataKeys, type CobaltFileMetadata } from "$lib/types/api";
export const formatFileSize = (size: number | undefined) => {
size ||= 0;
// gigabyte, megabyte, kilobyte, byte
const units = ['G', 'M', 'K', ''];
while (size >= 1024 && units.length > 1) {
size /= 1024;
units.pop();
}
const roundedSize = size.toFixed(2);
const unit = units[units.length - 1] + "B";
return `${roundedSize} ${unit}`;
}
export const ffmpegMetadataArgs = (metadata: CobaltFileMetadata) =>
Object.entries(metadata).flatMap(([name, value]) => {
if (CobaltFileMetadataKeys.includes(name) && typeof value === "string") {
if (name === "sublanguage") {
return [
'-metadata:s:s:0',
// eslint-disable-next-line no-control-regex
`language=${value.replace(/[\u0000-\u0009]/g, "")}`
]
}
return [
'-metadata',
// eslint-disable-next-line no-control-regex
`${name}=${value.replace(/[\u0000-\u0009]/g, "")}`
]
}
return [];
});
const digit = () => '0123456789abcdef'[Math.random() * 16 | 0];
export const uuid = () => {
if (typeof crypto !== 'undefined' && 'randomUUID' in crypto) {
return crypto.randomUUID();
}
const digits = Array.from({length: 32}, digit);
digits[12] = '4';
digits[16] = '89ab'[Math.random() * 4 | 0];
return digits
.join('')
.match(/^(.{8})(.{4})(.{4})(.{4})(.{12})$/)!
.slice(1)
.join('-');
}
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