allow inputting seconds only

in go to timecode
https://github.com/mifi/lossless-cut/issues/254#issuecomment-2781652373

src/renderer/src/dialogs/index.tsx

@@ -25,7 +25,12 @@ const { downloadMediaUrl } = remote.require('./index.js');
 
 
 export async function promptTimecode({ initialValue, title, text, inputPlaceholder, parseTimecode, allowRelative = false }: {
-  initialValue?: string | undefined, title: string, text?: string | undefined, inputPlaceholder: string, parseTimecode: ParseTimecode, allowRelative?: boolean,
+  initialValue?: string | undefined,
+  title: string,
+  text?: string | undefined,
+  inputPlaceholder: string,
+  parseTimecode: ParseTimecode,
+  allowRelative?: boolean,
 }) {
   const { value } = await Swal.fire<string>({
     title,
@@ -49,9 +54,9 @@ export async function promptTimecode({ initialValue, title, text, inputPlacehold
     else if (value.startsWith('+')) relDirection = 1;
   }
 
-  const value2 = allowRelative ? value.replace(/^[+-]/, '') : value;
+  const withoutPrefix = allowRelative ? value.replace(/^[+-]/, '') : value;
 
-  const duration = parseTimecode(value2);
+  const duration = parseTimecode(withoutPrefix);
   // Invalid, try again
   if (duration === undefined) return promptTimecode({ initialValue: value, title, text, inputPlaceholder, parseTimecode, allowRelative });
 

src/renderer/src/util/duration.test.ts

@@ -45,8 +45,13 @@ it('should format and parse duration with correct rounding', () => {
   expect(formatDuration({ seconds: parseDuration('00:00:00,00', 30), fps: 30 })).toBe('00:00:00.00');
   expect(formatDuration({ seconds: parseDuration('00:00:00,29', 30), fps: 30 })).toBe('00:00:00.29');
   expect(formatDuration({ seconds: parseDuration('01:00:01,01', 30), fps: 30 })).toBe('01:00:01.01');
+
   expect(parseDuration('0', 30)).toBe(0);
   expect(parseDuration('0,1', 30)).toBe(0.03333333333333333);
+
+  // https://github.com/mifi/lossless-cut/issues/254#issuecomment-2781652373
+  expect(formatDuration({ seconds: parseDuration('71.2') })).toBe('00:01:11.200');
+  expect(formatDuration({ seconds: parseDuration('1000') })).toBe('00:16:40.000');
 });
 
 // https://github.com/mifi/lossless-cut/issues/1603

src/renderer/src/util/duration.ts

@@ -43,13 +43,16 @@ export function formatDuration({ seconds: totalSecondsIn, fileNameFriendly, show
   return `${sign}${hoursPart}${minutesPadded}${delim}${secondsPadded}${fraction}`;
 }
 
+const exactDurationRegex = /^-?\d{2}:\d{2}:\d{2}.\d{3}$/;
+const durationRegex = /^(-?)(?:(?:(\d+):)?(\d{1,2}):)?(\d+(?:[,.]\d+)?)$/;
+
 // todo adapt also to frame counts and frame fractions?
-export const isExactDurationMatch = (str: string) => /^-?\d{2}:\d{2}:\d{2}.\d{3}$/.test(str);
+export const isExactDurationMatch = (str: string) => exactDurationRegex.test(str);
 
 // See also parseYoutube
 export function parseDuration(str: string, fps?: number) {
   // eslint-disable-next-line unicorn/better-regex
-  const match = str.replaceAll(/\s/g, '').match(/^(-?)(?:(?:(\d{1,}):)?(\d{1,2}):)?(\d{1,2}(?:[.,]\d{1,3})?)$/);
+  const match = str.replaceAll(/\s/g, '').match(durationRegex);
 
   if (!match) return undefined;
 
@@ -68,7 +71,6 @@ export function parseDuration(str: string, fps?: number) {
   }
 
   if (min > 59) return undefined;
-  if (sec >= 60) return undefined;
 
   let time = (((hour * 60) + min) * 60 + sec);