218 lines
8.0 KiB
JavaScript
218 lines
8.0 KiB
JavaScript
// js/pattern_ui.js
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import { appState } from "../state.js";
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import {
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updateTrackSample
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} from "./pattern_state.js";
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import { playSample, stopPlayback } from "./pattern_audio.js";
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import { getTotalSteps } from "../utils.js";
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import { sendAction } from '../socket.js';
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import { initializeAudioContext } from '../audio.js';
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// Função principal de renderização para o editor de patterns
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export function renderPatternEditor() {
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const trackContainer = document.getElementById("track-container");
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trackContainer.innerHTML = "";
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// (V7) Adicionado 'trackIndex'
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appState.pattern.tracks.forEach((trackData, trackIndex) => {
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const trackLane = document.createElement("div");
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trackLane.className = "track-lane";
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trackLane.dataset.trackIndex = trackIndex; // (V7) Usando índice
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if (trackData.id === appState.pattern.activeTrackId) {
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trackLane.classList.add('active-track');
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}
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trackLane.innerHTML = `
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<div class="track-info">
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<i class="fa-solid fa-gear"></i>
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<div class="track-mute"></div>
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<span class="track-name">${trackData.name}</span>
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</div>
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<div class="track-controls">
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<div class="knob-container">
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<div class="knob" data-control="volume" data-track-id="${trackData.id}"><div class="knob-indicator"></div></div>
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<span>VOL</span>
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</div>
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<div class="knob-container">
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<div class="knob" data-control="pan" data-track-id="${trackData.id}"><div class="knob-indicator"></div></div>
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<span>PAN</span>
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</div>
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</div>
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<div class="step-sequencer-wrapper"></div>
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`;
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// (Listener de clique da track é local, sem mudanças)
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trackLane.addEventListener('click', () => {
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if (appState.pattern.activeTrackId === trackData.id) return;
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stopPlayback();
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appState.pattern.activeTrackId = trackData.id;
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document.querySelectorAll('.track-lane').forEach(lane => lane.classList.remove('active-track'));
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trackLane.classList.add('active-track');
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updateGlobalPatternSelector();
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redrawSequencer();
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});
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trackLane.addEventListener("dragover", (e) => { e.preventDefault(); trackLane.classList.add("drag-over"); });
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trackLane.addEventListener("dragleave", () => trackLane.classList.remove("drag-over"));
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// (V9) Listener de "drop" (arrastar) agora usa 'sendAction'
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trackLane.addEventListener("drop", (e) => {
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e.preventDefault();
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trackLane.classList.remove("drag-over");
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const filePath = e.dataTransfer.getData("text/plain");
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if (filePath) {
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sendAction({
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type: 'SET_TRACK_SAMPLE',
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trackIndex: trackIndex,
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filePath: filePath
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});
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}
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});
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trackContainer.appendChild(trackLane);
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});
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updateGlobalPatternSelector();
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redrawSequencer();
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}
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export function redrawSequencer() {
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const totalGridSteps = getTotalSteps();
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document.querySelectorAll(".step-sequencer-wrapper").forEach((wrapper) => {
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let sequencerContainer = wrapper.querySelector(".step-sequencer");
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if (!sequencerContainer) {
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sequencerContainer = document.createElement("div");
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sequencerContainer.className = "step-sequencer";
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wrapper.appendChild(sequencerContainer);
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}
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const parentTrackElement = wrapper.closest(".track-lane");
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const trackIndex = parseInt(parentTrackElement.dataset.trackIndex, 10); // (V7)
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// ... dentro da função redrawSequencer() ...
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const trackData = appState.pattern.tracks[trackIndex];
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if (!trackData || !trackData.patterns || trackData.patterns.length === 0) {
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sequencerContainer.innerHTML = ""; return;
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}
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// --- CORRIJA ESTAS DUAS LINHAS ---
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// ANTES:
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// const activePatternIndex = appState.pattern.activePatternIndex;
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// const activePattern = trackData.patterns[activePatternIndex];
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//
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// DEPOIS:
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const activePatternIndex = trackData.activePatternIndex;
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const activePattern = trackData.patterns[activePatternIndex];
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if (!activePattern) {
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sequencerContainer.innerHTML = ""; return;
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}
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// ... resto da função ...
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const patternSteps = activePattern.steps;
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sequencerContainer.innerHTML = "";
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for (let i = 0; i < totalGridSteps; i++) {
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const stepWrapper = document.createElement("div");
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stepWrapper.className = "step-wrapper";
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const stepElement = document.createElement("div");
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stepElement.className = "step";
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if (patternSteps[i] === true) {
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stepElement.classList.add("active");
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}
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stepElement.addEventListener("click", () => {
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initializeAudioContext(); // (V8)
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const currentState = activePattern.steps[i] || false;
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const isActive = !currentState;
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sendAction({ // (V7)
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type: 'TOGGLE_NOTE',
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trackIndex: trackIndex,
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patternIndex: activePatternIndex,
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stepIndex: i,
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isActive: isActive
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});
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if (isActive && trackData && trackData.samplePath) {
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playSample(trackData.samplePath, trackData.id);
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}
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});
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const beatsPerBar = parseInt(document.getElementById("compasso-a-input").value, 10) || 4;
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const groupIndex = Math.floor(i / beatsPerBar);
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if (groupIndex % 2 === 0) {
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stepElement.classList.add("step-dark");
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}
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const stepsPerBar = 16;
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if (i > 0 && i % stepsPerBar === 0) {
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const marker = document.createElement("div");
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marker.className = "step-marker";
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marker.textContent = Math.floor(i / stepsPerBar) + 1;
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stepWrapper.appendChild(marker);
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}
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stepWrapper.appendChild(stepElement);
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sequencerContainer.appendChild(stepWrapper);
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}
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});
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}
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export function updateGlobalPatternSelector() {
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const globalPatternSelector = document.getElementById('global-pattern-selector');
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if (!globalPatternSelector) return;
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const referenceTrack = appState.pattern.tracks[0];
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globalPatternSelector.innerHTML = '';
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if (referenceTrack && referenceTrack.patterns.length > 0) {
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referenceTrack.patterns.forEach((pattern, index) => {
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const option = document.createElement('option');
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option.value = index;
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option.textContent = pattern.name;
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globalPatternSelector.appendChild(option);
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});
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globalPatternSelector.selectedIndex = appState.pattern.activePatternIndex;
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globalPatternSelector.disabled = false;
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} else {
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const option = document.createElement('option');
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option.textContent = 'Sem patterns';
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globalPatternSelector.appendChild(option);
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globalPatternSelector.disabled = true;
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}
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}
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export function highlightStep(stepIndex, isActive) {
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if (stepIndex < 0) return;
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document.querySelectorAll(".track-lane").forEach((track) => {
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const stepWrapper = track.querySelector(
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`.step-sequencer .step-wrapper:nth-child(${stepIndex + 1})`
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);
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if (stepWrapper) {
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const stepElement = stepWrapper.querySelector(".step");
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if (stepElement) {
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stepElement.classList.toggle("playing", isActive);
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}
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}
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});
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}
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// (V7) Função de UI "cirúrgica"
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export function updateStepUI(trackIndex, patternIndex, stepIndex, isActive) {
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if (patternIndex !== appState.pattern.activePatternIndex) {
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return;
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}
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const trackElement = document.querySelector(`.track-lane[data-track-index="${trackIndex}"]`);
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if (!trackElement) return;
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const stepWrapper = trackElement.querySelector(
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`.step-sequencer .step-wrapper:nth-child(${stepIndex + 1})`
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);
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if (!stepWrapper) return;
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const stepElement = stepWrapper.querySelector(".step");
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if (!stepElement) return;
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stepElement.classList.toggle("active", isActive);
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} |