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chore: format player subtitles

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This commit is contained in:
mkelvers
2026-05-28 11:29:23 +02:00
committed by Milas Holsting
parent e500af6102
commit c2650aae07
2 changed files with 35 additions and 35 deletions
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22
static/player/subtitles/vtt.ts
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@@ -1,28 +1,28 @@
// parses VTT timestamp (mm:ss.ms or hh:mm:ss.ms) to seconds
export const parseVttTime = (raw: string): number => {
const parts = raw.trim().split(':');
const parts = raw.trim().split(":");
if (parts.length < 2) return 0;
const secPart = parts.pop()!;
const minPart = parts.pop()!;
const hourPart = parts.pop() ?? '0';
return Number(hourPart) * 3600 + Number(minPart) * 60 + Number(secPart.replace(',', '.'));
const hourPart = parts.pop() ?? "0";
return Number(hourPart) * 3600 + Number(minPart) * 60 + Number(secPart.replace(",", "."));
};
// parses a single VTT cue: timestamp line + text lines
export const parseVttCue = (line: string, lines: string[], i: number) => {
if (!line.includes('-->')) return null;
const [startRaw, endRaw] = line.split('-->');
if (!line.includes("-->")) return null;
const [startRaw, endRaw] = line.split("-->");
const payload: string[] = [];
let j = i + 1;
// collect text until blank line
while (j < lines.length && lines[j].trim() !== '') {
while (j < lines.length && lines[j].trim() !== "") {
payload.push(lines[j]);
j++;
}
// strip tags, join lines
const text = payload
.join('\n')
.replace(/<[^>]+>/g, '')
.join("\n")
.replace(/<[^>]+>/g, "")
.trim();
if (!text) return null;
return { start: parseVttTime(startRaw), end: parseVttTime(endRaw), text };
@@ -33,17 +33,17 @@ export const parseVttCue = (line: string, lines: string[], i: number) => {
* Handles both compact (timestamp on separate line) and standard formats.
*/
export const parseVtt = (text: string) => {
const lines = text.replace(/\r/g, '').split('\n');
const lines = text.replace(/\r/g, "").split("\n");
const cues = [];
for (let i = 0; i < lines.length; i++) {
const line = lines[i].trim();
if (!line) continue;
// compact: cue id on line i, timestamp on i+1
if (i + 1 < lines.length && !line.includes('-->') && lines[i + 1].includes('-->')) {
if (i + 1 < lines.length && !line.includes("-->") && lines[i + 1].includes("-->")) {
const cue = parseVttCue(lines[i + 1].trim(), lines, i + 1);
if (cue) cues.push(cue);
i++;
} else if (line.includes('-->')) {
} else if (line.includes("-->")) {
// standard: timestamp on same line
const cue = parseVttCue(line, lines, i);
if (cue) cues.push(cue);