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147 changes: 147 additions & 0 deletions src/components/audioPlayer/index.js
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import "./style.scss";

export default class AudioPlayer {
constructor(container) {
this.container = container;
this.audio = new Audio();
this.isPlaying = false;
this.initializeUI();
this.initializeEvents();
this.cleanup = this.cleanup.bind(this);
}

initializeUI() {
const auidoPlayer = (
<div className="audio-player">
<button className="play-btn" ariaLabel="Play/Pause">
<span className="icon play_arrow"></span>
</button>

<div className="timeline">
<div className="progress"></div>
<div className="progress-handle"></div>
</div>

<div className="time">0:00</div>

<div className="volume-control">
<button className="volume-btn" ariaLabel="Volume"></button>
</div>
</div>
);

this.container.appendChild(auidoPlayer);

this.elements = {
playBtn: this.container.querySelector(".play-btn"),
playIcon: this.container.querySelector(".play-btn .icon"),
timeline: this.container.querySelector(".timeline"),
progress: this.container.querySelector(".progress"),
progressHandle: this.container.querySelector(".progress-handle"),
timeDisplay: this.container.querySelector(".time"),
duration: this.container.querySelector(".duration"),
volumeBtn: this.container.querySelector(".volume-btn"),
};
this.elements.volumeBtn.innerHTML = `<svg viewBox="0 0 24 24">
<path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02z"/>
</svg>`;
}

initializeEvents() {
// Play/Pause
this.elements.playBtn.addEventListener("click", () => this.togglePlay());

// Timeline
this.elements.timeline.addEventListener("click", (e) => this.seek(e));
this.elements.timeline.addEventListener("touchstart", (e) => this.seek(e));

// Volume
this.elements.volumeBtn.addEventListener("click", () => this.toggleMute());

// Audio events
this.audio.addEventListener("timeupdate", () => this.updateProgress());
this.audio.addEventListener("ended", () => this.audioEnded());
}

togglePlay() {
if (this.isPlaying) {
this.audio.pause();
this.elements.playIcon.classList.remove("pause");
this.elements.playIcon.classList.add("play_arrow");
} else {
this.audio.play();
this.elements.playIcon.classList.remove("play_arrow");
this.elements.playIcon.classList.add("pause");
}
this.isPlaying = !this.isPlaying;
}

seek(e) {
const rect = this.elements.timeline.getBoundingClientRect();
const pos =
(e.type.includes("touch") ? e.touches[0].clientX : e.clientX) - rect.left;
const percentage = pos / rect.width;
this.audio.currentTime = percentage * this.audio.duration;
}

updateProgress() {
const percentage = (this.audio.currentTime / this.audio.duration) * 100;
this.elements.progress.style.width = `${percentage}%`;
this.elements.progressHandle.style.left = `${percentage}%`;
this.elements.timeDisplay.textContent = this.formatTime(
this.audio.currentTime,
);
}

formatTime(seconds) {
const mins = Math.floor(seconds / 60);
const secs = Math.floor(seconds % 60);
return `${mins}:${secs.toString().padStart(2, "0")}`;
}

toggleMute() {
this.audio.muted = !this.audio.muted;
if (this.audio.muted) {
this.elements.volumeBtn.innerHTML =
'<svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round"><path d="M11 4.702a.705.705 0 0 0-1.203-.498L6.413 7.587A1.4 1.4 0 0 1 5.416 8H3a1 1 0 0 0-1 1v6a1 1 0 0 0 1 1h2.416a1.4 1.4 0 0 1 .997.413l3.383 3.384A.705.705 0 0 0 11 19.298z"/></svg>';
} else {
this.elements.volumeBtn.innerHTML =
'<svg viewBox="0 0 24 24"><path d="M3 9v6h4l5 5V4L7 9H3zm13.5 3c0-1.77-1.02-3.29-2.5-4.03v8.05c1.48-.73 2.5-2.25 2.5-4.02z"/></svg>';
}
}

audioEnded() {
this.isPlaying = false;
this.elements.playIcon.classList.remove("pause");
this.elements.playIcon.classList.add("play_arrow");
}

loadTrack(src) {
this.audio.src = src;
this.audio.load();
}

cleanup() {
this.audio.pause();
this.audio.currentTime = 0;
this.isPlaying = false;

this.elements.playBtn.removeEventListener("click", () => this.togglePlay());
this.elements.timeline.removeEventListener("click", (e) => this.seek(e));
this.elements.timeline.removeEventListener("touchstart", (e) =>
this.seek(e),
);
this.elements.volumeBtn.removeEventListener("click", () =>
this.toggleMute(),
);
this.audio.removeEventListener("timeupdate", () => this.updateProgress());
this.audio.removeEventListener("ended", () => this.audioEnded());

const audioSrc = this.audio.src;
this.audio.src = "";
this.audio.load();
if (audioSrc.startsWith("blob:")) {
URL.revokeObjectURL(audioSrc);
}
}
}
92 changes: 92 additions & 0 deletions src/components/audioPlayer/style.scss
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.audio-player {
background: var(--primary-color, #1e1e1e);
border-radius: 10px;
padding: 15px;
display: flex;
align-items: center;
gap: 15px;
width: 100%;
max-width: 400px;
user-select: none;

.play-btn {
background: transparent;
border: none;
width: 30px;
height: 30px;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
cursor: pointer;
transition: all 0.2s;

span {
font-size: 20px;
color: var(--primary-text-color);
}

&:hover {
background: color-mix(in srgb, var(--secondary-color) 30%, transparent);
}
}

.timeline {
flex: 1;
height: 4px;
background: color-mix(in srgb, var(--secondary-color) 60%, transparent);
border-radius: 2px;
position: relative;
cursor: pointer;

&:hover .progress-handle {
opacity: 1;
}
}

.progress {
background: var(--primary-text-color, #fff);
width: 0%;
height: 100%;
border-radius: 2px;
transition: width 0.1s linear;
}

.progress-handle {
width: 12px;
height: 12px;
background: var(--primary-text-color, #fff);
border-radius: 50%;
position: absolute;
top: 50%;
transform: translate(-50%, -50%);
pointer-events: none;
opacity: 0;
transition: opacity 0.2s;
}

.time {
color: var(--primary-text-color, #fff);
font-family: monospace;
font-size: 12px;
min-width: 45px;
}

.volume-control {
display: flex;
align-items: center;
gap: 8px;
}

.volume-btn {
background: transparent;
border: none;
cursor: pointer;

svg {
width: 20px;
height: 20px;
fill: var(--primary-text-color, #fff);
}
}
}
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