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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | 71x 26x 26x 26x 1x 25x | // @ts-check
/**
* @param {string|null} duration
* @return {number|null}
*/
export function parseDuration(duration) {
if (!duration) { return null; }
duration = duration.trim();
const value = Number.parseFloat(duration);
if (Number.isNaN(value)) {
throw new SyntaxError('failed to parse duration: ' + duration);
}
return (duration.endsWith('ms')) ? value : (value * 1000);
}
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