Files
KVideo/lib/utils/video.ts
T

77 lines
3.0 KiB
TypeScript

/**
* Parses a video title to extract quality tags (e.g., [HD], [TS])
* and return a cleaned title.
*/
export function parseVideoTitle(title: string): { cleanTitle: string, quality?: string } {
// Regex to match tags in brackets at the start of the title
// Example: "[HD] 利刃出鞘3" -> quality: "HD", cleanTitle: "利刃出鞘3"
// Example: "利刃出鞘3 [HD]" -> quality: "HD", cleanTitle: "利刃出鞘3"
const bracketRegex = /\[([^\]]+)\]/g;
let quality: string | undefined;
let cleanTitle = title;
const matches = [...title.matchAll(bracketRegex)];
if (matches.length > 0) {
// Take the first bracket content as quality (usually what we want)
quality = matches[0][1];
// Remove all brackets and their content from the title
cleanTitle = title.replace(bracketRegex, '').trim();
}
return {
cleanTitle: cleanTitle || title,
quality
};
}
/**
* Numeric resolution keywords only.
* Qualitative labels such as "蓝光" or "高清" are intentionally excluded because
* they are not real numeric resolutions.
*/
const NUMERIC_RESOLUTION_PATTERNS: { pattern: RegExp; label: string; color: string }[] = [
{ pattern: /(?:^|[^\d])(4320p?|8k)(?:[^\d]|$)/i, label: '8K', color: 'bg-rose-500' },
{ pattern: /(?:^|[^\d])(2160p?|4k|uhd)(?:[^\d]|$)/i, label: '4K', color: 'bg-amber-500' },
{ pattern: /(?:^|[^\d])(1440p?|2k|qhd)(?:[^\d]|$)/i, label: '2K', color: 'bg-emerald-500' },
{ pattern: /(?:^|[^\d])(1080p?|1080i|full\s*hd|fhd)(?:[^\d]|$)/i, label: '1080P', color: 'bg-green-500' },
{ pattern: /(?:^|[^\d])720p?(?:[^\d]|$)|hd720/i, label: '720P', color: 'bg-teal-500' },
{ pattern: /(?:^|[^\d])540p?(?:[^\d]|$)/i, label: '540P', color: 'bg-cyan-500' },
{ pattern: /(?:^|[^\d])480p?(?:[^\d]|$)/i, label: '480P', color: 'bg-sky-500' },
{ pattern: /(?:^|[^\d])360p?(?:[^\d]|$)/i, label: '360P', color: 'bg-gray-500' },
{ pattern: /(?:^|[^\d])240p?(?:[^\d]|$)/i, label: '240P', color: 'bg-gray-500' },
{ pattern: /(?:^|[^\d])144p?(?:[^\d]|$)/i, label: '144P', color: 'bg-gray-500' },
];
/**
* Extracts a numeric playback resolution from video remarks or title.
* Non-numeric labels are intentionally ignored.
*/
export function extractNumericResolutionLabel(
remarks?: string,
quality?: string
): { label: string; color: string } | null {
const text = `${remarks || ''} ${quality || ''}`;
if (!text.trim()) return null;
for (const { pattern, label, color } of NUMERIC_RESOLUTION_PATTERNS) {
if (pattern.test(text)) {
return { label, color };
}
}
return null;
}
export function extractPlaybackQualityLabel(
remarks?: string,
quality?: string
): { label: string; color: string } | null {
return extractNumericResolutionLabel(remarks, quality);
}
export function extractQualityLabel(remarks?: string, quality?: string): { label: string; color: string } | null {
return extractNumericResolutionLabel(remarks, quality);
}