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js/app.js
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729
js/app.js
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/**
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* LiXX Cell Pack Matcher - Main Application
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*
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* A web application for optimal matching of lithium battery cells.
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* Supports capacity and internal resistance matching with multiple algorithms.
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*/
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// =============================================================================
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// Application State
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// =============================================================================
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const AppState = {
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cells: [],
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cellIdCounter: 0,
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currentAlgorithm: null,
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isRunning: false,
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results: null
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};
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// =============================================================================
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// DOM Elements
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// =============================================================================
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const DOM = {
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// Configuration
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cellsSerial: document.getElementById('cells-serial'),
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cellsParallel: document.getElementById('cells-parallel'),
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configDisplay: document.getElementById('config-display'),
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totalCellsNeeded: document.getElementById('total-cells-needed'),
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// Cell input
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cellTbody: document.getElementById('cell-tbody'),
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btnAddCell: document.getElementById('btn-add-cell'),
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btnLoadExample: document.getElementById('btn-load-example'),
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btnClearAll: document.getElementById('btn-clear-all'),
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statCount: document.getElementById('stat-count'),
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statAvgCap: document.getElementById('stat-avg-cap'),
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statAvgIr: document.getElementById('stat-avg-ir'),
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// Settings
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weightCapacity: document.getElementById('weight-capacity'),
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weightIr: document.getElementById('weight-ir'),
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weightCapValue: document.getElementById('weight-cap-value'),
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weightIrValue: document.getElementById('weight-ir-value'),
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algorithmSelect: document.getElementById('algorithm-select'),
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maxIterations: document.getElementById('max-iterations'),
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// Matching
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btnStartMatching: document.getElementById('btn-start-matching'),
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btnStopMatching: document.getElementById('btn-stop-matching'),
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// Progress
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progressSection: document.getElementById('progress-section'),
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progressFill: document.getElementById('progress-fill'),
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progressIteration: document.getElementById('progress-iteration'),
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progressScore: document.getElementById('progress-score'),
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progressTime: document.getElementById('progress-time'),
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// Results
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resultsSection: document.getElementById('results-section'),
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resultScore: document.getElementById('result-score'),
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resultCapVariance: document.getElementById('result-cap-variance'),
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resultIrVariance: document.getElementById('result-ir-variance'),
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resultPackCapacity: document.getElementById('result-pack-capacity'),
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packGrid: document.getElementById('pack-grid'),
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resultsTbody: document.getElementById('results-tbody'),
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excludedCellsSection: document.getElementById('excluded-cells-section'),
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excludedCellsList: document.getElementById('excluded-cells-list'),
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// Export
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btnExportJson: document.getElementById('btn-export-json'),
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btnExportCsv: document.getElementById('btn-export-csv'),
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btnCopyResults: document.getElementById('btn-copy-results'),
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// Dialog
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shortcutsDialog: document.getElementById('shortcuts-dialog'),
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btnCloseShortcuts: document.getElementById('btn-close-shortcuts')
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};
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// =============================================================================
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// Configuration Management
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// =============================================================================
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/**
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* Update the configuration display.
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*/
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function updateConfigDisplay() {
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const serial = parseInt(DOM.cellsSerial.value) || 1;
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const parallel = parseInt(DOM.cellsParallel.value) || 1;
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const total = serial * parallel;
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DOM.configDisplay.textContent = `${serial}S${parallel}P`;
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DOM.totalCellsNeeded.textContent = total;
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updateMatchingButtonState();
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}
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// =============================================================================
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// Cell Management
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// =============================================================================
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/**
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* Add a new cell row to the table.
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* @param {Object} cellData - Optional initial data
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*/
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function addCell(cellData = null) {
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const id = AppState.cellIdCounter++;
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const label = cellData?.label || `C${String(AppState.cells.length + 1).padStart(2, '0')}`;
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const capacity = cellData?.capacity || '';
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const ir = cellData?.ir || '';
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const cell = { id, label, capacity: capacity || null, ir: ir || null };
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AppState.cells.push(cell);
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const row = document.createElement('tr');
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row.dataset.cellId = id;
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row.innerHTML = `
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<td>${AppState.cells.length}</td>
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<td>
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<input type="text" class="cell-label-input" value="${label}"
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aria-label="Cell label" data-field="label">
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</td>
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<td>
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<input type="number" min="0" max="99999" value="${capacity}"
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aria-label="Capacity in mAh" data-field="capacity" placeholder="mAh">
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</td>
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<td>
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<input type="number" min="0" max="9999" step="0.1" value="${ir}"
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aria-label="Internal resistance in milliohms" data-field="ir" placeholder="optional">
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</td>
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<td>
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<button type="button" class="btn-remove" aria-label="Remove cell" data-remove="${id}">
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✕
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</button>
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</td>
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`;
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DOM.cellTbody.appendChild(row);
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// Add event listeners
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row.querySelectorAll('input').forEach(input => {
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input.addEventListener('change', () => updateCellData(id, input.dataset.field, input.value));
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input.addEventListener('input', () => updateCellData(id, input.dataset.field, input.value));
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});
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row.querySelector('.btn-remove').addEventListener('click', () => removeCell(id));
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updateCellStats();
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updateMatchingButtonState();
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// Focus the capacity input of the new row
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if (!cellData) {
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row.querySelector('input[data-field="capacity"]').focus();
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}
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}
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/**
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* Update cell data when input changes.
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*/
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function updateCellData(id, field, value) {
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const cell = AppState.cells.find(c => c.id === id);
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if (!cell) return;
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if (field === 'label') {
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cell.label = value || `C${id}`;
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} else if (field === 'capacity') {
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cell.capacity = value ? parseFloat(value) : null;
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} else if (field === 'ir') {
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cell.ir = value ? parseFloat(value) : null;
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}
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updateCellStats();
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updateMatchingButtonState();
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}
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/**
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* Remove a cell from the table.
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*/
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function removeCell(id) {
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const index = AppState.cells.findIndex(c => c.id === id);
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if (index === -1) return;
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AppState.cells.splice(index, 1);
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const row = DOM.cellTbody.querySelector(`tr[data-cell-id="${id}"]`);
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if (row) row.remove();
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// Update row numbers
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DOM.cellTbody.querySelectorAll('tr').forEach((row, idx) => {
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row.querySelector('td:first-child').textContent = idx + 1;
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});
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updateCellStats();
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updateMatchingButtonState();
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}
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/**
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* Clear all cells.
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*/
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function clearAllCells() {
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if (AppState.cells.length > 0 && !confirm('Clear all cells?')) return;
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AppState.cells = [];
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AppState.cellIdCounter = 0;
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DOM.cellTbody.innerHTML = '';
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updateCellStats();
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updateMatchingButtonState();
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}
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/**
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* Update cell statistics display.
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*/
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function updateCellStats() {
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const count = AppState.cells.length;
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DOM.statCount.textContent = count;
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if (count === 0) {
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DOM.statAvgCap.textContent = '-';
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DOM.statAvgIr.textContent = '-';
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return;
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}
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const capacities = AppState.cells.filter(c => c.capacity).map(c => c.capacity);
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const irs = AppState.cells.filter(c => c.ir).map(c => c.ir);
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if (capacities.length > 0) {
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const avgCap = capacities.reduce((a, b) => a + b, 0) / capacities.length;
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DOM.statAvgCap.textContent = `${Math.round(avgCap)} mAh`;
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} else {
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DOM.statAvgCap.textContent = '-';
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}
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if (irs.length > 0) {
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const avgIr = irs.reduce((a, b) => a + b, 0) / irs.length;
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DOM.statAvgIr.textContent = `${avgIr.toFixed(1)} mΩ`;
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} else {
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DOM.statAvgIr.textContent = '-';
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}
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}
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/**
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* Load example cell data.
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*/
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function loadExampleData() {
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if (AppState.cells.length > 0 && !confirm('Replace current cells with example data?')) return;
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// Clear without confirmation since we just asked
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AppState.cells = [];
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AppState.cellIdCounter = 0;
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DOM.cellTbody.innerHTML = '';
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// Example: 14 cells for a 6S2P pack (2 spare)
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const exampleCells = [
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{ label: 'B01', capacity: 3330, ir: 42 },
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{ label: 'B02', capacity: 3360, ir: 38 },
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{ label: 'B03', capacity: 3230, ir: 45 },
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{ label: 'B04', capacity: 3390, ir: 41 },
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{ label: 'B05', capacity: 3280, ir: 44 },
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{ label: 'B06', capacity: 3350, ir: 39 },
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{ label: 'B07', capacity: 3350, ir: 40 },
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{ label: 'B08', capacity: 3490, ir: 36 },
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{ label: 'B09', capacity: 3280, ir: 43 },
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{ label: 'B10', capacity: 3420, ir: 37 },
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{ label: 'B11', capacity: 3350, ir: 41 },
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{ label: 'B12', capacity: 3420, ir: 38 },
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{ label: 'B13', capacity: 3150, ir: 52 }, // Spare - lower quality
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{ label: 'B14', capacity: 3380, ir: 40 } // Spare
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];
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exampleCells.forEach(cell => addCell(cell));
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}
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// =============================================================================
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// Weight Sliders
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// =============================================================================
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/**
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* Update weight slider displays and keep them summing to 100%.
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*/
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function updateWeights(source) {
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const capWeight = parseInt(DOM.weightCapacity.value);
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const irWeight = parseInt(DOM.weightIr.value);
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if (source === 'capacity') {
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DOM.weightIr.value = 100 - capWeight;
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} else {
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DOM.weightCapacity.value = 100 - irWeight;
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}
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DOM.weightCapValue.textContent = `${DOM.weightCapacity.value}%`;
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DOM.weightIrValue.textContent = `${DOM.weightIr.value}%`;
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}
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// =============================================================================
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// Matching Control
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// =============================================================================
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/**
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* Update the state of the matching button.
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*/
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function updateMatchingButtonState() {
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const serial = parseInt(DOM.cellsSerial.value) || 1;
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const parallel = parseInt(DOM.cellsParallel.value) || 1;
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const needed = serial * parallel;
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const validCells = AppState.cells.filter(c => c.capacity && c.capacity > 0);
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const canStart = validCells.length >= needed && !AppState.isRunning;
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DOM.btnStartMatching.disabled = !canStart;
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if (validCells.length < needed) {
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DOM.btnStartMatching.title = `Need at least ${needed} cells with capacity data`;
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} else {
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DOM.btnStartMatching.title = '';
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}
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}
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/**
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* Start the matching process.
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*/
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async function startMatching() {
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if (AppState.isRunning) return;
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const serial = parseInt(DOM.cellsSerial.value) || 1;
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const parallel = parseInt(DOM.cellsParallel.value) || 1;
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const validCells = AppState.cells.filter(c => c.capacity && c.capacity > 0);
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if (validCells.length < serial * parallel) {
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alert(`Need at least ${serial * parallel} cells with capacity data.`);
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return;
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}
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AppState.isRunning = true;
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DOM.progressSection.hidden = false;
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DOM.resultsSection.hidden = true;
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DOM.btnStartMatching.disabled = true;
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const algorithmType = DOM.algorithmSelect.value;
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const maxIterations = parseInt(DOM.maxIterations.value) || 5000;
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const capacityWeight = parseInt(DOM.weightCapacity.value) / 100;
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const irWeight = parseInt(DOM.weightIr.value) / 100;
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const options = {
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maxIterations,
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capacityWeight,
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irWeight,
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onProgress: updateProgress
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};
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// Create algorithm instance
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const { GeneticAlgorithm, SimulatedAnnealing, ExhaustiveSearch } = window.CellMatchingAlgorithms;
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switch (algorithmType) {
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case 'genetic':
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AppState.currentAlgorithm = new GeneticAlgorithm(validCells, serial, parallel, options);
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break;
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case 'simulated-annealing':
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AppState.currentAlgorithm = new SimulatedAnnealing(validCells, serial, parallel, options);
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break;
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case 'exhaustive':
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AppState.currentAlgorithm = new ExhaustiveSearch(validCells, serial, parallel, options);
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break;
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}
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try {
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const results = await AppState.currentAlgorithm.run();
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AppState.results = results;
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displayResults(results);
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} catch (error) {
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console.error('Matching error:', error);
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alert('An error occurred during matching. See console for details.');
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} finally {
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AppState.isRunning = false;
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AppState.currentAlgorithm = null;
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DOM.progressSection.hidden = true;
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DOM.btnStartMatching.disabled = false;
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updateMatchingButtonState();
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}
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}
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/**
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* Stop the matching process.
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*/
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function stopMatching() {
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if (AppState.currentAlgorithm) {
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AppState.currentAlgorithm.stop();
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}
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}
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/**
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* Update progress display.
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*/
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function updateProgress(progress) {
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const percent = (progress.iteration / progress.maxIterations) * 100;
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DOM.progressFill.style.width = `${percent}%`;
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DOM.progressIteration.textContent = progress.iteration.toLocaleString();
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DOM.progressScore.textContent = progress.bestScore.toFixed(4);
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DOM.progressTime.textContent = `${(progress.elapsedTime / 1000).toFixed(1)}s`;
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}
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// =============================================================================
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// Results Display
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// =============================================================================
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/**
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* Display the matching results.
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*/
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function displayResults(results) {
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DOM.resultsSection.hidden = false;
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// Summary metrics
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DOM.resultScore.textContent = results.score.toFixed(3);
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DOM.resultCapVariance.textContent = `${results.capacityCV.toFixed(2)}%`;
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DOM.resultIrVariance.textContent = results.irCV ? `${results.irCV.toFixed(2)}%` : 'N/A';
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// Calculate pack capacity (limited by smallest parallel group)
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const packCapacity = Math.min(...results.groupCapacities);
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DOM.resultPackCapacity.textContent = `${packCapacity} mAh`;
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// Visualize pack layout
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renderPackVisualization(results);
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// Results table
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renderResultsTable(results);
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// Excluded cells
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if (results.excludedCells.length > 0) {
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DOM.excludedCellsSection.hidden = false;
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DOM.excludedCellsList.textContent = results.excludedCells.map(c => c.label).join(', ');
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} else {
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DOM.excludedCellsSection.hidden = true;
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}
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// Scroll to results
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DOM.resultsSection.scrollIntoView({ behavior: 'smooth', block: 'start' });
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}
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/**
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* Render the pack visualization.
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*/
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function renderPackVisualization(results) {
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const config = results.configuration;
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const allCapacities = config.flat().map(c => c.capacity);
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const minCap = Math.min(...allCapacities);
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const maxCap = Math.max(...allCapacities);
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const range = maxCap - minCap || 1;
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DOM.packGrid.innerHTML = '';
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config.forEach((group, groupIdx) => {
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const row = document.createElement('div');
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row.className = 'pack-row';
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const label = document.createElement('span');
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label.className = 'pack-row-label';
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label.textContent = `S${groupIdx + 1}`;
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row.appendChild(label);
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||||
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const cellsContainer = document.createElement('div');
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cellsContainer.className = 'pack-cells';
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group.forEach(cell => {
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const cellEl = document.createElement('div');
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cellEl.className = 'pack-cell';
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// Color based on relative capacity
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const normalized = (cell.capacity - minCap) / range;
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const hue = normalized * 120; // 0 = red, 60 = yellow, 120 = green
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cellEl.style.backgroundColor = `hsl(${hue}, 70%, 45%)`;
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cellEl.innerHTML = `
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<span class="cell-label">${cell.label}</span>
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<span class="cell-capacity">${cell.capacity} mAh</span>
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||||
${cell.ir ? `<span class="cell-ir">${cell.ir} mΩ</span>` : ''}
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||||
`;
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||||
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||||
cellsContainer.appendChild(cellEl);
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||||
});
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||||
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||||
row.appendChild(cellsContainer);
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DOM.packGrid.appendChild(row);
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||||
});
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||||
}
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||||
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||||
/**
|
||||
* Render the results table.
|
||||
*/
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||||
function renderResultsTable(results) {
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const config = results.configuration;
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||||
const avgCapacity = results.groupCapacities.reduce((a, b) => a + b, 0) / results.groupCapacities.length;
|
||||
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||||
DOM.resultsTbody.innerHTML = '';
|
||||
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||||
config.forEach((group, idx) => {
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||||
const groupCapacity = group.reduce((sum, c) => sum + c.capacity, 0);
|
||||
const deviation = ((groupCapacity - avgCapacity) / avgCapacity * 100);
|
||||
const irsWithValues = group.filter(c => c.ir);
|
||||
const avgIr = irsWithValues.length > 0
|
||||
? irsWithValues.reduce((sum, c) => sum + c.ir, 0) / irsWithValues.length
|
||||
: null;
|
||||
|
||||
let deviationClass = 'deviation-good';
|
||||
if (Math.abs(deviation) > 2) deviationClass = 'deviation-warning';
|
||||
if (Math.abs(deviation) > 5) deviationClass = 'deviation-bad';
|
||||
|
||||
const row = document.createElement('tr');
|
||||
row.innerHTML = `
|
||||
<td>S${idx + 1}</td>
|
||||
<td>${group.map(c => c.label).join(' + ')}</td>
|
||||
<td>${groupCapacity} mAh</td>
|
||||
<td>${avgIr ? avgIr.toFixed(1) + ' mΩ' : '-'}</td>
|
||||
<td class="${deviationClass}">${deviation >= 0 ? '+' : ''}${deviation.toFixed(2)}%</td>
|
||||
`;
|
||||
|
||||
DOM.resultsTbody.appendChild(row);
|
||||
});
|
||||
}
|
||||
|
||||
// =============================================================================
|
||||
// Export Functions
|
||||
// =============================================================================
|
||||
|
||||
/**
|
||||
* Export results as JSON.
|
||||
*/
|
||||
function exportJson() {
|
||||
if (!AppState.results) return;
|
||||
|
||||
const data = {
|
||||
configuration: `${DOM.cellsSerial.value}S${DOM.cellsParallel.value}P`,
|
||||
timestamp: new Date().toISOString(),
|
||||
score: AppState.results.score,
|
||||
capacityCV: AppState.results.capacityCV,
|
||||
irCV: AppState.results.irCV,
|
||||
groups: AppState.results.configuration.map((group, idx) => ({
|
||||
group: `S${idx + 1}`,
|
||||
cells: group.map(c => ({ label: c.label, capacity: c.capacity, ir: c.ir })),
|
||||
totalCapacity: group.reduce((sum, c) => sum + c.capacity, 0)
|
||||
})),
|
||||
excludedCells: AppState.results.excludedCells.map(c => ({
|
||||
label: c.label,
|
||||
capacity: c.capacity,
|
||||
ir: c.ir
|
||||
}))
|
||||
};
|
||||
|
||||
downloadFile(JSON.stringify(data, null, 2), 'cell-matching-results.json', 'application/json');
|
||||
}
|
||||
|
||||
/**
|
||||
* Export results as CSV.
|
||||
*/
|
||||
function exportCsv() {
|
||||
if (!AppState.results) return;
|
||||
|
||||
const lines = ['Group,Cell Label,Capacity (mAh),IR (mΩ),Group Total'];
|
||||
|
||||
AppState.results.configuration.forEach((group, idx) => {
|
||||
const groupTotal = group.reduce((sum, c) => sum + c.capacity, 0);
|
||||
group.forEach((cell, cellIdx) => {
|
||||
lines.push(`S${idx + 1},${cell.label},${cell.capacity},${cell.ir || ''},${cellIdx === 0 ? groupTotal : ''}`);
|
||||
});
|
||||
});
|
||||
|
||||
if (AppState.results.excludedCells.length > 0) {
|
||||
lines.push('');
|
||||
lines.push('Excluded Cells');
|
||||
AppState.results.excludedCells.forEach(cell => {
|
||||
lines.push(`-,${cell.label},${cell.capacity},${cell.ir || ''}`);
|
||||
});
|
||||
}
|
||||
|
||||
downloadFile(lines.join('\n'), 'cell-matching-results.csv', 'text/csv');
|
||||
}
|
||||
|
||||
/**
|
||||
* Copy results to clipboard.
|
||||
*/
|
||||
async function copyResults() {
|
||||
if (!AppState.results) return;
|
||||
|
||||
const config = AppState.results.configuration;
|
||||
const lines = [
|
||||
`Cell Matching Results - ${DOM.cellsSerial.value}S${DOM.cellsParallel.value}P`,
|
||||
`Score: ${AppState.results.score.toFixed(3)}`,
|
||||
`Capacity CV: ${AppState.results.capacityCV.toFixed(2)}%`,
|
||||
'',
|
||||
'Pack Configuration:'
|
||||
];
|
||||
|
||||
config.forEach((group, idx) => {
|
||||
const cells = group.map(c => `${c.label} (${c.capacity}mAh)`).join(' + ');
|
||||
const total = group.reduce((sum, c) => sum + c.capacity, 0);
|
||||
lines.push(` S${idx + 1}: ${cells} = ${total}mAh`);
|
||||
});
|
||||
|
||||
if (AppState.results.excludedCells.length > 0) {
|
||||
lines.push('');
|
||||
lines.push(`Excluded: ${AppState.results.excludedCells.map(c => c.label).join(', ')}`);
|
||||
}
|
||||
|
||||
try {
|
||||
await navigator.clipboard.writeText(lines.join('\n'));
|
||||
DOM.btnCopyResults.textContent = 'Copied!';
|
||||
setTimeout(() => {
|
||||
DOM.btnCopyResults.textContent = 'Copy to Clipboard';
|
||||
}, 2000);
|
||||
} catch (err) {
|
||||
console.error('Failed to copy:', err);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Helper function to download a file.
|
||||
*/
|
||||
function downloadFile(content, filename, mimeType) {
|
||||
const blob = new Blob([content], { type: mimeType });
|
||||
const url = URL.createObjectURL(blob);
|
||||
const a = document.createElement('a');
|
||||
a.href = url;
|
||||
a.download = filename;
|
||||
document.body.appendChild(a);
|
||||
a.click();
|
||||
document.body.removeChild(a);
|
||||
URL.revokeObjectURL(url);
|
||||
}
|
||||
|
||||
// =============================================================================
|
||||
// Keyboard Navigation
|
||||
// =============================================================================
|
||||
|
||||
/**
|
||||
* Setup keyboard shortcuts.
|
||||
*/
|
||||
function setupKeyboardShortcuts() {
|
||||
document.addEventListener('keydown', (e) => {
|
||||
// Alt + A: Add cell
|
||||
if (e.altKey && e.key === 'a') {
|
||||
e.preventDefault();
|
||||
addCell();
|
||||
}
|
||||
|
||||
// Alt + S: Start matching
|
||||
if (e.altKey && e.key === 's') {
|
||||
e.preventDefault();
|
||||
if (!DOM.btnStartMatching.disabled) {
|
||||
startMatching();
|
||||
}
|
||||
}
|
||||
|
||||
// Alt + E: Load example
|
||||
if (e.altKey && e.key === 'e') {
|
||||
e.preventDefault();
|
||||
loadExampleData();
|
||||
}
|
||||
|
||||
// Escape: Stop matching or close dialog
|
||||
if (e.key === 'Escape') {
|
||||
if (AppState.isRunning) {
|
||||
stopMatching();
|
||||
}
|
||||
if (DOM.shortcutsDialog.open) {
|
||||
DOM.shortcutsDialog.close();
|
||||
}
|
||||
}
|
||||
|
||||
// ?: Show shortcuts
|
||||
if (e.key === '?' && !e.target.matches('input, textarea')) {
|
||||
e.preventDefault();
|
||||
DOM.shortcutsDialog.showModal();
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
// =============================================================================
|
||||
// Event Listeners
|
||||
// =============================================================================
|
||||
|
||||
function initEventListeners() {
|
||||
// Configuration
|
||||
DOM.cellsSerial.addEventListener('input', updateConfigDisplay);
|
||||
DOM.cellsParallel.addEventListener('input', updateConfigDisplay);
|
||||
|
||||
// Cell management
|
||||
DOM.btnAddCell.addEventListener('click', () => addCell());
|
||||
DOM.btnLoadExample.addEventListener('click', loadExampleData);
|
||||
DOM.btnClearAll.addEventListener('click', clearAllCells);
|
||||
|
||||
// Weight sliders
|
||||
DOM.weightCapacity.addEventListener('input', () => updateWeights('capacity'));
|
||||
DOM.weightIr.addEventListener('input', () => updateWeights('ir'));
|
||||
|
||||
// Matching
|
||||
DOM.btnStartMatching.addEventListener('click', startMatching);
|
||||
DOM.btnStopMatching.addEventListener('click', stopMatching);
|
||||
|
||||
// Export
|
||||
DOM.btnExportJson.addEventListener('click', exportJson);
|
||||
DOM.btnExportCsv.addEventListener('click', exportCsv);
|
||||
DOM.btnCopyResults.addEventListener('click', copyResults);
|
||||
|
||||
// Dialog
|
||||
DOM.btnCloseShortcuts.addEventListener('click', () => DOM.shortcutsDialog.close());
|
||||
}
|
||||
|
||||
// =============================================================================
|
||||
// Initialization
|
||||
// =============================================================================
|
||||
|
||||
function init() {
|
||||
initEventListeners();
|
||||
setupKeyboardShortcuts();
|
||||
updateConfigDisplay();
|
||||
updateWeights('capacity');
|
||||
updateMatchingButtonState();
|
||||
|
||||
// Add a few empty cell rows to start
|
||||
for (let i = 0; i < 3; i++) {
|
||||
addCell();
|
||||
}
|
||||
}
|
||||
|
||||
// Start the application when DOM is ready
|
||||
if (document.readyState === 'loading') {
|
||||
document.addEventListener('DOMContentLoaded', init);
|
||||
} else {
|
||||
init();
|
||||
}
|
||||
Reference in New Issue
Block a user