@slippi/slippi-js/dist/common/utils/gameTimer.esm.js

Official Project Slippi Javascript SDK

import { format } from 'date-fns';
import { TimerType } from '../types.esm.js';
import { exists } from './exists.esm.js';

function frameToGameTimer(frame, options) {
    const { timerType, startingTimerSeconds } = options;
    if (timerType === TimerType.DECREASING) {
        if (!exists(startingTimerSeconds)) {
            return "Unknown";
        }
        const centiseconds = Math.ceil((((60 - (frame % 60)) % 60) * 99) / 59);
        const date = new Date(0, 0, 0, 0, 0, startingTimerSeconds - frame / 60, centiseconds * 10);
        return format(date, "mm:ss.SS");
    }
    if (timerType === TimerType.INCREASING) {
        const centiseconds = Math.floor(((frame % 60) * 99) / 59);
        const date = new Date(0, 0, 0, 0, 0, frame / 60, centiseconds * 10);
        return format(date, "mm:ss.SS");
    }
    return "Infinite";
}

export { frameToGameTimer };