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script.js
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script.js
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const track = new Audio("./tracks/diaster-kslv.ogg");
const playPauseButton = document.getElementById("playPauseButton");
const playBackward = document.getElementById("playBackward");
const playforward = document.getElementById("playforward");
const progressBar = document.getElementById("progressBar");
const timePlayed = document.getElementById("timePlayed");
const timeToPlay = document.getElementById("timeToPlay");
const trackStatus = {
playing: false,
};
track.addEventListener("timeupdate", updateProgress);
playPauseButton.addEventListener("click", togglePlayPause);
playBackward.addEventListener("click", () => changeTime(-10, track.duration));
playforward.addEventListener("click", () => changeTime(10, track.duration));
window.onkeydown = function (event) {
try {
shortcuts = {
" ": togglePlayPause,
ArrowLeft: () => {
changeTime(-10, track.duration);
},
ArrowRight: () => {
changeTime(10, track.duration);
},
};
shortcuts[event.key]();
} catch {
return null;
}
};
function togglePlayPause() {
if (!trackStatus.playing) {
play();
} else {
pause();
}
}
function play() {
track.play();
trackStatus.playing = true;
playPauseButton.src = "./assets/pauseButton.svg";
}
function pause() {
track.pause();
trackStatus.playing = false;
playPauseButton.src = "./assets/playButton.svg";
}
function changeTime(time, totalTime) {
if (track.currentTime < totalTime - 9) {
track.currentTime += time;
} else {
track.currentTime = 0;
pause();
}
}
function updateProgress() {
const played = convertToMinSec(track.currentTime);
const toPlay = convertToMinSec(track.duration - track.currentTime);
timePlayed.innerText = `${played.minutes}:${played.seconds}`;
timeToPlay.innerText = `${toPlay.minutes}:${toPlay.seconds}`;
progressBar.style.setProperty(
"--progress",
track.currentTime * (100 / track.duration)
);
if (track.currentTime == track.duration) {
track.currentTime = 0;
pause();
}
}
function convertToMinSec(sec) {
const minutes = round(Math, sec / 60);
const seconds = round(Math, sec % 60);
return { minutes: doubleDigit(minutes), seconds: doubleDigit(seconds) };
}
function round(math, value) {
return math.round(value);
}
function doubleDigit(value) {
if (!(value >= 10)) {
value = "0" + value;
}
return value;
}