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@@ -0,0 +1,1207 @@
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+
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+window.buildDomTree = (
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+ args = {
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+ doHighlightElements: true,
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+ focusHighlightIndex: -1,
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+ viewportExpansion: 0,
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+ debugMode: false,
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+ },
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+) => {
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+ const { doHighlightElements, focusHighlightIndex, viewportExpansion, debugMode } = args;
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+ let highlightIndex = 0; // Reset highlight index
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+
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+ // Add timing stack to handle recursion
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+ const TIMING_STACK = {
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+ nodeProcessing: [],
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+ treeTraversal: [],
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+ highlighting: [],
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+ current: null,
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+ };
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+
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+ function pushTiming(type) {
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+ TIMING_STACK[type] = TIMING_STACK[type] || [];
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+ TIMING_STACK[type].push(performance.now());
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+ }
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+
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+ function popTiming(type) {
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+ const start = TIMING_STACK[type].pop();
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+ const duration = performance.now() - start;
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+ return duration;
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+ }
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+
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+ // Only initialize performance tracking if in debug mode
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+ const PERF_METRICS = debugMode
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+ ? {
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+ buildDomTreeCalls: 0,
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+ timings: {
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+ buildDomTree: 0,
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+ highlightElement: 0,
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+ isInteractiveElement: 0,
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+ isElementVisible: 0,
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+ isTopElement: 0,
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+ isInExpandedViewport: 0,
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+ isTextNodeVisible: 0,
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+ getEffectiveScroll: 0,
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+ },
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+ cacheMetrics: {
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+ boundingRectCacheHits: 0,
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+ boundingRectCacheMisses: 0,
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+ computedStyleCacheHits: 0,
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+ computedStyleCacheMisses: 0,
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+ getBoundingClientRectTime: 0,
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+ getComputedStyleTime: 0,
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+ boundingRectHitRate: 0,
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+ computedStyleHitRate: 0,
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+ overallHitRate: 0,
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+ },
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+ nodeMetrics: {
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+ totalNodes: 0,
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+ processedNodes: 0,
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+ skippedNodes: 0,
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+ },
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+ buildDomTreeBreakdown: {
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+ totalTime: 0,
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+ totalSelfTime: 0,
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+ buildDomTreeCalls: 0,
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+ domOperations: {
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+ getBoundingClientRect: 0,
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+ getComputedStyle: 0,
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+ },
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+ domOperationCounts: {
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+ getBoundingClientRect: 0,
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+ getComputedStyle: 0,
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+ },
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+ },
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+ }
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+ : null;
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+
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+ // Simple timing helper that only runs in debug mode
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+ function measureTime(fn) {
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+ if (!debugMode) return fn;
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+ return function (...args) {
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+ const start = performance.now();
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+ const result = fn.apply(this, args);
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+ const duration = performance.now() - start;
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+ return result;
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+ };
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+ }
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+
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+ // Helper to measure DOM operations
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+ function measureDomOperation(operation, name) {
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+ if (!debugMode) return operation();
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+
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+ const start = performance.now();
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+ const result = operation();
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+ const duration = performance.now() - start;
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+
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+ if (PERF_METRICS && name in PERF_METRICS.buildDomTreeBreakdown.domOperations) {
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+ PERF_METRICS.buildDomTreeBreakdown.domOperations[name] += duration;
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+ PERF_METRICS.buildDomTreeBreakdown.domOperationCounts[name]++;
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+ }
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+
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+ return result;
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+ }
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+
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+ // Add caching mechanisms at the top level
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+ const DOM_CACHE = {
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+ boundingRects: new WeakMap(),
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+ computedStyles: new WeakMap(),
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+ clearCache: () => {
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+ DOM_CACHE.boundingRects = new WeakMap();
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+ DOM_CACHE.computedStyles = new WeakMap();
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+ },
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+ };
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+
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+ // Cache helper functions
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+ function getCachedBoundingRect(element) {
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+ if (!element) return null;
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+
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+ if (DOM_CACHE.boundingRects.has(element)) {
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+ if (debugMode && PERF_METRICS) {
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+ PERF_METRICS.cacheMetrics.boundingRectCacheHits++;
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+ }
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+ return DOM_CACHE.boundingRects.get(element);
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+ }
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+
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+ if (debugMode && PERF_METRICS) {
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+ PERF_METRICS.cacheMetrics.boundingRectCacheMisses++;
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+ }
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+
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+ let rect;
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+ if (debugMode) {
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+ const start = performance.now();
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+ rect = element.getBoundingClientRect();
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+ const duration = performance.now() - start;
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+ if (PERF_METRICS) {
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+ PERF_METRICS.buildDomTreeBreakdown.domOperations.getBoundingClientRect += duration;
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+ PERF_METRICS.buildDomTreeBreakdown.domOperationCounts.getBoundingClientRect++;
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+ }
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+ } else {
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+ rect = element.getBoundingClientRect();
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+ }
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+
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+ if (rect) {
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+ DOM_CACHE.boundingRects.set(element, rect);
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+ }
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+ return rect;
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+ }
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+
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+ function getCachedComputedStyle(element) {
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+ if (!element) return null;
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+
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+ if (DOM_CACHE.computedStyles.has(element)) {
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+ if (debugMode && PERF_METRICS) {
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+ PERF_METRICS.cacheMetrics.computedStyleCacheHits++;
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+ }
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+ return DOM_CACHE.computedStyles.get(element);
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+ }
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+
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+ if (debugMode && PERF_METRICS) {
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+ PERF_METRICS.cacheMetrics.computedStyleCacheMisses++;
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+ }
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+
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+ let style;
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+ if (debugMode) {
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+ const start = performance.now();
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+ style = window.getComputedStyle(element);
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+ const duration = performance.now() - start;
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+ if (PERF_METRICS) {
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+ PERF_METRICS.buildDomTreeBreakdown.domOperations.getComputedStyle += duration;
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+ PERF_METRICS.buildDomTreeBreakdown.domOperationCounts.getComputedStyle++;
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+ }
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+ } else {
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+ style = window.getComputedStyle(element);
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+ }
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+
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+ if (style) {
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+ DOM_CACHE.computedStyles.set(element, style);
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+ }
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+ return style;
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+ }
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+
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+ /**
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+ * Hash map of DOM nodes indexed by their highlight index.
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+ *
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+ * @type {Object<string, any>}
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+ */
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+ const DOM_HASH_MAP = {};
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+
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+ const ID = { current: 0 };
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+
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+ const HIGHLIGHT_CONTAINER_ID = 'playwright-highlight-container';
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+
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+ /**
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+ * Highlights an element in the DOM and returns the index of the next element.
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+ */
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+ function highlightElement(element, index, parentIframe = null) {
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+ if (!element) return index;
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+
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+ // Store overlays and the single label for updating
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+ const overlays = [];
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+ let label = null;
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+ let labelWidth = 20; // Approximate label width
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+ let labelHeight = 16; // Approximate label height
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+
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+ try {
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+ // Create or get highlight container
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+ let container = document.getElementById(HIGHLIGHT_CONTAINER_ID);
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+ if (!container) {
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+ container = document.createElement('div');
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+ container.id = HIGHLIGHT_CONTAINER_ID;
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+ container.style.position = 'fixed';
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+ container.style.pointerEvents = 'none';
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+ container.style.top = '0';
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+ container.style.left = '0';
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+ container.style.width = '100%';
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+ container.style.height = '100%';
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+ container.style.zIndex = '2147483647';
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+ document.body.appendChild(container);
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+ }
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+
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+ // Get element client rects
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+ const rects = element.getClientRects(); // Use getClientRects()
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+
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+ if (!rects || rects.length === 0) return index; // Exit if no rects
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+
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+ // Generate a color based on the index
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+ const colors = [
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+ '#FF0000',
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+ '#00FF00',
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+ '#0000FF',
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+ '#FFA500',
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+ '#800080',
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+ '#008080',
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+ '#FF69B4',
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+ '#4B0082',
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+ '#FF4500',
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+ '#2E8B57',
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+ '#DC143C',
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+ '#4682B4',
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+ ];
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+ const colorIndex = index % colors.length;
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+ const baseColor = colors[colorIndex];
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+ const backgroundColor = baseColor + '1A'; // 10% opacity version of the color
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+
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+ // Get iframe offset if necessary
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+ let iframeOffset = { x: 0, y: 0 };
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+ if (parentIframe) {
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+ const iframeRect = parentIframe.getBoundingClientRect(); // Keep getBoundingClientRect for iframe offset
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+ iframeOffset.x = iframeRect.left;
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+ iframeOffset.y = iframeRect.top;
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+ }
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+
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+ // Create highlight overlays for each client rect
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+ for (const rect of rects) {
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+ if (rect.width === 0 || rect.height === 0) continue; // Skip empty rects
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+
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+ const overlay = document.createElement('div');
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+ overlay.style.position = 'fixed';
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+ overlay.style.border = `2px solid ${baseColor}`;
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+ overlay.style.backgroundColor = backgroundColor;
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+ overlay.style.pointerEvents = 'none';
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+ overlay.style.boxSizing = 'border-box';
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+
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+ const top = rect.top + iframeOffset.y;
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+ const left = rect.left + iframeOffset.x;
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+
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+ overlay.style.top = `${top}px`;
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+ overlay.style.left = `${left}px`;
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+ overlay.style.width = `${rect.width}px`;
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+ overlay.style.height = `${rect.height}px`;
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+
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+ container.appendChild(overlay);
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+ overlays.push({ element: overlay, initialRect: rect }); // Store overlay and its rect
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+ }
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+
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+ // Create and position a single label relative to the first rect
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+ const firstRect = rects[0];
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+ label = document.createElement('div');
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+ label.className = 'playwright-highlight-label';
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+ label.style.position = 'fixed';
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+ label.style.background = baseColor;
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+ label.style.color = 'white';
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+ label.style.padding = '1px 4px';
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+ label.style.borderRadius = '4px';
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+ label.style.fontSize = `${Math.min(12, Math.max(8, firstRect.height / 2))}px`;
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+ label.textContent = index;
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+
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+ labelWidth = label.offsetWidth > 0 ? label.offsetWidth : labelWidth; // Update actual width if possible
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+ labelHeight = label.offsetHeight > 0 ? label.offsetHeight : labelHeight; // Update actual height if possible
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+
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+ const firstRectTop = firstRect.top + iframeOffset.y;
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+ const firstRectLeft = firstRect.left + iframeOffset.x;
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+
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+ let labelTop = firstRectTop + 2;
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+ let labelLeft = firstRectLeft + firstRect.width - labelWidth - 2;
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+
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+ // Adjust label position if first rect is too small
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+ if (firstRect.width < labelWidth + 4 || firstRect.height < labelHeight + 4) {
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+ labelTop = firstRectTop - labelHeight - 2;
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+ labelLeft = firstRectLeft + firstRect.width - labelWidth; // Align with right edge
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+ if (labelLeft < iframeOffset.x) labelLeft = firstRectLeft; // Prevent going off-left
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+ }
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+
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+ // Ensure label stays within viewport bounds slightly better
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+ labelTop = Math.max(0, Math.min(labelTop, window.innerHeight - labelHeight));
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+ labelLeft = Math.max(0, Math.min(labelLeft, window.innerWidth - labelWidth));
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+
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+ label.style.top = `${labelTop}px`;
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+ label.style.left = `${labelLeft}px`;
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+
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+ container.appendChild(label);
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+
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+ // Update positions on scroll/resize
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+ const updatePositions = () => {
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+ const newRects = element.getClientRects(); // Get fresh rects
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+ let newIframeOffset = { x: 0, y: 0 };
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+
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+ if (parentIframe) {
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+ const iframeRect = parentIframe.getBoundingClientRect(); // Keep getBoundingClientRect for iframe
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+ newIframeOffset.x = iframeRect.left;
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+ newIframeOffset.y = iframeRect.top;
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+ }
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+
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+ // Update each overlay
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+ overlays.forEach((overlayData, i) => {
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+ if (i < newRects.length) {
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+ // Check if rect still exists
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+ const newRect = newRects[i];
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+ const newTop = newRect.top + newIframeOffset.y;
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+ const newLeft = newRect.left + newIframeOffset.x;
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+
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+ overlayData.element.style.top = `${newTop}px`;
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+ overlayData.element.style.left = `${newLeft}px`;
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+ overlayData.element.style.width = `${newRect.width}px`;
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+ overlayData.element.style.height = `${newRect.height}px`;
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+ overlayData.element.style.display = newRect.width === 0 || newRect.height === 0 ? 'none' : 'block';
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+ } else {
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+ // If fewer rects now, hide extra overlays
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+ overlayData.element.style.display = 'none';
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+ }
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+ });
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+
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+ // If there are fewer new rects than overlays, hide the extras
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+ if (newRects.length < overlays.length) {
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+ for (let i = newRects.length; i < overlays.length; i++) {
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+ overlays[i].element.style.display = 'none';
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+ }
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+ }
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+
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+ // Update label position based on the first new rect
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+ if (label && newRects.length > 0) {
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+ const firstNewRect = newRects[0];
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+ const firstNewRectTop = firstNewRect.top + newIframeOffset.y;
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+ const firstNewRectLeft = firstNewRect.left + newIframeOffset.x;
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+
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+ let newLabelTop = firstNewRectTop + 2;
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+ let newLabelLeft = firstNewRectLeft + firstNewRect.width - labelWidth - 2;
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+
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+ if (firstNewRect.width < labelWidth + 4 || firstNewRect.height < labelHeight + 4) {
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+ newLabelTop = firstNewRectTop - labelHeight - 2;
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+ newLabelLeft = firstNewRectLeft + firstNewRect.width - labelWidth;
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+ if (newLabelLeft < newIframeOffset.x) newLabelLeft = firstNewRectLeft;
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+ }
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+
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+ // Ensure label stays within viewport bounds
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+ newLabelTop = Math.max(0, Math.min(newLabelTop, window.innerHeight - labelHeight));
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+ newLabelLeft = Math.max(0, Math.min(newLabelLeft, window.innerWidth - labelWidth));
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+
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+ label.style.top = `${newLabelTop}px`;
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+ label.style.left = `${newLabelLeft}px`;
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+ label.style.display = 'block';
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+ } else if (label) {
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+ // Hide label if element has no rects anymore
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+ label.style.display = 'none';
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+ }
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+ };
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+
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+ window.addEventListener('scroll', updatePositions, true); // Use capture phase
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+ window.addEventListener('resize', updatePositions);
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+
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+ // TODO: Add cleanup logic to remove listeners and elements when done.
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+
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+ return index + 1;
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+ } finally {
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+ // popTiming('highlighting'); // Assuming this was a typo and should be removed or corrected
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+ }
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+ }
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+
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+ /**
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+ * Returns an XPath tree string for an element.
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+ */
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+ function getXPathTree(element, stopAtBoundary = true) {
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+ const segments = [];
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+ let currentElement = element;
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+
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+ while (currentElement && currentElement.nodeType === Node.ELEMENT_NODE) {
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+ // Stop if we hit a shadow root or iframe
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+ if (
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+ stopAtBoundary &&
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+ (currentElement.parentNode instanceof ShadowRoot || currentElement.parentNode instanceof HTMLIFrameElement)
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+ ) {
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+ break;
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+ }
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+
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+ let index = 0;
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+ let sibling = currentElement.previousSibling;
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+ while (sibling) {
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+ if (sibling.nodeType === Node.ELEMENT_NODE && sibling.nodeName === currentElement.nodeName) {
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+ index++;
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|
+ }
|
|
|
+ sibling = sibling.previousSibling;
|
|
|
+ }
|
|
|
+
|
|
|
+ const tagName = currentElement.nodeName.toLowerCase();
|
|
|
+ const xpathIndex = index > 0 ? `[${index + 1}]` : '';
|
|
|
+ segments.unshift(`${tagName}${xpathIndex}`);
|
|
|
+
|
|
|
+ currentElement = currentElement.parentNode;
|
|
|
+ }
|
|
|
+
|
|
|
+ return segments.join('/');
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Checks if a text node is visible.
|
|
|
+ */
|
|
|
+ function isTextNodeVisible(textNode) {
|
|
|
+ try {
|
|
|
+ const range = document.createRange();
|
|
|
+ range.selectNodeContents(textNode);
|
|
|
+ const rects = range.getClientRects();
|
|
|
+
|
|
|
+ if (!rects || rects.length === 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ let isAnyRectVisible = false;
|
|
|
+ for (const rect of rects) {
|
|
|
+ if (rect.width > 0 && rect.height > 0) {
|
|
|
+ isAnyRectVisible = true;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!isAnyRectVisible) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ const parentElement = textNode.parentElement;
|
|
|
+ if (!parentElement) return false;
|
|
|
+
|
|
|
+ const style = window.getComputedStyle(parentElement);
|
|
|
+ return style.display !== 'none' && style.visibility !== 'hidden' && style.opacity !== '0';
|
|
|
+ } catch (e) {
|
|
|
+ console.warn('Error checking text node visibility:', e);
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Helper function to check if element is accepted
|
|
|
+ function isElementAccepted(element) {
|
|
|
+ if (!element || !element.tagName) return false;
|
|
|
+
|
|
|
+ // Always accept body and common container elements
|
|
|
+ const alwaysAccept = new Set(['body', 'div', 'main', 'article', 'section', 'nav', 'header', 'footer']);
|
|
|
+ const tagName = element.tagName.toLowerCase();
|
|
|
+
|
|
|
+ if (alwaysAccept.has(tagName)) return true;
|
|
|
+
|
|
|
+ const leafElementDenyList = new Set(['svg', 'script', 'style', 'link', 'meta', 'noscript', 'template']);
|
|
|
+
|
|
|
+ return !leafElementDenyList.has(tagName);
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Checks if an element is visible.
|
|
|
+ */
|
|
|
+ function isElementVisible(element) {
|
|
|
+ const style = getCachedComputedStyle(element);
|
|
|
+ return style.display !== 'none' && style.visibility !== 'hidden';
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Checks if an element is interactive.
|
|
|
+ *
|
|
|
+ * lots of comments, and uncommented code - to show the logic of what we already tried
|
|
|
+ *
|
|
|
+ * One of the things we tried at the beginning was also to use event listeners, and other fancy class, style stuff -> what actually worked best was just combining most things with computed cursor style :)
|
|
|
+ */
|
|
|
+ function isInteractiveElement(element) {
|
|
|
+ if (!element || element.nodeType !== Node.ELEMENT_NODE) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Define interactive cursors
|
|
|
+ const interactiveCursors = new Set([
|
|
|
+ 'pointer', // Link/clickable elements
|
|
|
+ 'move', // Movable elements
|
|
|
+ 'text', // Text selection
|
|
|
+ 'grab', // Grabbable elements
|
|
|
+ 'grabbing', // Currently grabbing
|
|
|
+ 'cell', // Table cell selection
|
|
|
+ 'copy', // Copy operation
|
|
|
+ 'alias', // Alias creation
|
|
|
+ 'all-scroll', // Scrollable content
|
|
|
+ 'col-resize', // Column resize
|
|
|
+ 'context-menu', // Context menu available
|
|
|
+ 'crosshair', // Precise selection
|
|
|
+ 'e-resize', // East resize
|
|
|
+ 'ew-resize', // East-west resize
|
|
|
+ 'help', // Help available
|
|
|
+ 'n-resize', // North resize
|
|
|
+ 'ne-resize', // Northeast resize
|
|
|
+ 'nesw-resize', // Northeast-southwest resize
|
|
|
+ 'ns-resize', // North-south resize
|
|
|
+ 'nw-resize', // Northwest resize
|
|
|
+ 'nwse-resize', // Northwest-southeast resize
|
|
|
+ 'row-resize', // Row resize
|
|
|
+ 's-resize', // South resize
|
|
|
+ 'se-resize', // Southeast resize
|
|
|
+ 'sw-resize', // Southwest resize
|
|
|
+ 'vertical-text', // Vertical text selection
|
|
|
+ 'w-resize', // West resize
|
|
|
+ 'zoom-in', // Zoom in
|
|
|
+ 'zoom-out', // Zoom out
|
|
|
+ ]);
|
|
|
+
|
|
|
+ // Define non-interactive cursors
|
|
|
+ const nonInteractiveCursors = new Set([
|
|
|
+ 'not-allowed', // Action not allowed
|
|
|
+ 'no-drop', // Drop not allowed
|
|
|
+ 'wait', // Processing
|
|
|
+ 'progress', // In progress
|
|
|
+ 'initial', // Initial value
|
|
|
+ 'inherit', // Inherited value
|
|
|
+ //? Let's just include all potentially clickable elements that are not specifically blocked
|
|
|
+ // 'none', // No cursor
|
|
|
+ // 'default', // Default cursor
|
|
|
+ // 'auto', // Browser default
|
|
|
+ ]);
|
|
|
+
|
|
|
+ function doesElementHaveInteractivePointer(element) {
|
|
|
+ if (element.tagName.toLowerCase() === 'html') return false;
|
|
|
+ const style = getCachedComputedStyle(element);
|
|
|
+
|
|
|
+ if (interactiveCursors.has(style.cursor)) return true;
|
|
|
+
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ let isInteractiveCursor = doesElementHaveInteractivePointer(element);
|
|
|
+
|
|
|
+ // Genius fix for almost all interactive elements
|
|
|
+ if (isInteractiveCursor) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ const interactiveElements = new Set([
|
|
|
+ 'a', // Links
|
|
|
+ 'button', // Buttons
|
|
|
+ 'input', // All input types (text, checkbox, radio, etc.)
|
|
|
+ 'select', // Dropdown menus
|
|
|
+ 'textarea', // Text areas
|
|
|
+ 'details', // Expandable details
|
|
|
+ 'summary', // Summary element (clickable part of details)
|
|
|
+ 'label', // Form labels (often clickable)
|
|
|
+ 'option', // Select options
|
|
|
+ 'optgroup', // Option groups
|
|
|
+ 'fieldset', // Form fieldsets (can be interactive with legend)
|
|
|
+ 'legend', // Fieldset legends
|
|
|
+ ]);
|
|
|
+
|
|
|
+ // Define explicit disable attributes and properties
|
|
|
+ const explicitDisableTags = new Set([
|
|
|
+ 'disabled', // Standard disabled attribute
|
|
|
+ // 'aria-disabled', // ARIA disabled state
|
|
|
+ 'readonly', // Read-only state
|
|
|
+ // 'aria-readonly', // ARIA read-only state
|
|
|
+ // 'aria-hidden', // Hidden from accessibility
|
|
|
+ // 'hidden', // Hidden attribute
|
|
|
+ // 'inert', // Inert attribute
|
|
|
+ // 'aria-inert', // ARIA inert state
|
|
|
+ // 'tabindex="-1"', // Removed from tab order
|
|
|
+ // 'aria-hidden="true"' // Hidden from screen readers
|
|
|
+ ]);
|
|
|
+
|
|
|
+ // handle inputs, select, checkbox, radio, textarea, button and make sure they are not cursor style disabled/not-allowed
|
|
|
+ if (interactiveElements.has(element.tagName.toLowerCase())) {
|
|
|
+ const style = getCachedComputedStyle(element);
|
|
|
+
|
|
|
+ // Check for non-interactive cursor
|
|
|
+ if (nonInteractiveCursors.has(style.cursor)) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Check for explicit disable attributes
|
|
|
+ for (const disableTag of explicitDisableTags) {
|
|
|
+ if (
|
|
|
+ element.hasAttribute(disableTag) ||
|
|
|
+ element.getAttribute(disableTag) === 'true' ||
|
|
|
+ element.getAttribute(disableTag) === ''
|
|
|
+ ) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Check for disabled property on form elements
|
|
|
+ if (element.disabled) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Check for readonly property on form elements
|
|
|
+ if (element.readOnly) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Check for inert property
|
|
|
+ if (element.inert) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ const tagName = element.tagName.toLowerCase();
|
|
|
+ const role = element.getAttribute('role');
|
|
|
+ const ariaRole = element.getAttribute('aria-role');
|
|
|
+
|
|
|
+ // Added enhancement to capture dropdown interactive elements
|
|
|
+ if (
|
|
|
+ element.classList &&
|
|
|
+ (element.classList.contains('button') ||
|
|
|
+ element.classList.contains('dropdown-toggle') ||
|
|
|
+ element.getAttribute('data-index') ||
|
|
|
+ element.getAttribute('data-toggle') === 'dropdown' ||
|
|
|
+ element.getAttribute('aria-haspopup') === 'true')
|
|
|
+ ) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ const interactiveRoles = new Set([
|
|
|
+ 'button', // Directly clickable element
|
|
|
+ // 'link', // Clickable link
|
|
|
+ // 'menuitem', // Clickable menu item
|
|
|
+ 'menuitemradio', // Radio-style menu item (selectable)
|
|
|
+ 'menuitemcheckbox', // Checkbox-style menu item (toggleable)
|
|
|
+ 'radio', // Radio button (selectable)
|
|
|
+ 'checkbox', // Checkbox (toggleable)
|
|
|
+ 'tab', // Tab (clickable to switch content)
|
|
|
+ 'switch', // Toggle switch (clickable to change state)
|
|
|
+ 'slider', // Slider control (draggable)
|
|
|
+ 'spinbutton', // Number input with up/down controls
|
|
|
+ 'combobox', // Dropdown with text input
|
|
|
+ 'searchbox', // Search input field
|
|
|
+ 'textbox', // Text input field
|
|
|
+ // 'listbox', // Selectable list
|
|
|
+ 'option', // Selectable option in a list
|
|
|
+ 'scrollbar', // Scrollable control
|
|
|
+ ]);
|
|
|
+
|
|
|
+ // Basic role/attribute checks
|
|
|
+ const hasInteractiveRole =
|
|
|
+ interactiveElements.has(tagName) || interactiveRoles.has(role) || interactiveRoles.has(ariaRole);
|
|
|
+
|
|
|
+ if (hasInteractiveRole) return true;
|
|
|
+
|
|
|
+ // check whether element has event listeners
|
|
|
+ try {
|
|
|
+ if (typeof getEventListeners === 'function') {
|
|
|
+ const listeners = getEventListeners(element);
|
|
|
+ const mouseEvents = ['click', 'mousedown', 'mouseup', 'dblclick'];
|
|
|
+ for (const eventType of mouseEvents) {
|
|
|
+ if (listeners[eventType] && listeners[eventType].length > 0) {
|
|
|
+ return true; // Found a mouse interaction listener
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // Fallback: Check common event attributes if getEventListeners is not available
|
|
|
+ const commonMouseAttrs = ['onclick', 'onmousedown', 'onmouseup', 'ondblclick'];
|
|
|
+ if (commonMouseAttrs.some(attr => element.hasAttribute(attr))) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } catch (e) {
|
|
|
+ // console.warn(`Could not check event listeners for ${element.tagName}:`, e);
|
|
|
+ // If checking listeners fails, rely on other checks
|
|
|
+ }
|
|
|
+
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Checks if an element is the topmost element at its position.
|
|
|
+ */
|
|
|
+ function isTopElement(element) {
|
|
|
+ const rects = element.getClientRects();
|
|
|
+ if (!rects || rects.length === 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Checks if an element is within the expanded viewport.
|
|
|
+ */
|
|
|
+ function isInExpandedViewport(element, viewportExpansion) {
|
|
|
+ return true;
|
|
|
+
|
|
|
+ if (viewportExpansion === -1) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ const rects = element.getClientRects(); // Use getClientRects
|
|
|
+
|
|
|
+ if (!rects || rects.length === 0) {
|
|
|
+ // Fallback to getBoundingClientRect if getClientRects is empty,
|
|
|
+ // useful for elements like <svg> that might not have client rects but have a bounding box.
|
|
|
+ const boundingRect = getCachedBoundingRect(element);
|
|
|
+ if (!boundingRect || boundingRect.width === 0 || boundingRect.height === 0) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ return !(
|
|
|
+ boundingRect.bottom < -viewportExpansion ||
|
|
|
+ boundingRect.top > window.innerHeight + viewportExpansion ||
|
|
|
+ boundingRect.right < -viewportExpansion ||
|
|
|
+ boundingRect.left > window.innerWidth + viewportExpansion
|
|
|
+ );
|
|
|
+ }
|
|
|
+
|
|
|
+ // Check if *any* client rect is within the viewport
|
|
|
+ for (const rect of rects) {
|
|
|
+ if (rect.width === 0 || rect.height === 0) continue; // Skip empty rects
|
|
|
+
|
|
|
+ if (
|
|
|
+ !(
|
|
|
+ rect.bottom < -viewportExpansion ||
|
|
|
+ rect.top > window.innerHeight + viewportExpansion ||
|
|
|
+ rect.right < -viewportExpansion ||
|
|
|
+ rect.left > window.innerWidth + viewportExpansion
|
|
|
+ )
|
|
|
+ ) {
|
|
|
+ return true; // Found at least one rect in the viewport
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return false; // No rects were found in the viewport
|
|
|
+ }
|
|
|
+
|
|
|
+ // Add this new helper function
|
|
|
+ function getEffectiveScroll(element) {
|
|
|
+ let currentEl = element;
|
|
|
+ let scrollX = 0;
|
|
|
+ let scrollY = 0;
|
|
|
+
|
|
|
+ return measureDomOperation(() => {
|
|
|
+ while (currentEl && currentEl !== document.documentElement) {
|
|
|
+ if (currentEl.scrollLeft || currentEl.scrollTop) {
|
|
|
+ scrollX += currentEl.scrollLeft;
|
|
|
+ scrollY += currentEl.scrollTop;
|
|
|
+ }
|
|
|
+ currentEl = currentEl.parentElement;
|
|
|
+ }
|
|
|
+
|
|
|
+ scrollX += window.scrollX;
|
|
|
+ scrollY += window.scrollY;
|
|
|
+
|
|
|
+ return { scrollX, scrollY };
|
|
|
+ }, 'scrollOperations');
|
|
|
+ }
|
|
|
+
|
|
|
+ // Add these helper functions at the top level
|
|
|
+ function isInteractiveCandidate(element) {
|
|
|
+ if (!element || element.nodeType !== Node.ELEMENT_NODE) return false;
|
|
|
+
|
|
|
+ const tagName = element.tagName.toLowerCase();
|
|
|
+
|
|
|
+ // Fast-path for common interactive elements
|
|
|
+ const interactiveElements = new Set(['a', 'button', 'input', 'select', 'textarea', 'details', 'summary']);
|
|
|
+
|
|
|
+ if (interactiveElements.has(tagName)) return true;
|
|
|
+
|
|
|
+ // Quick attribute checks without getting full lists
|
|
|
+ const hasQuickInteractiveAttr =
|
|
|
+ element.hasAttribute('onclick') ||
|
|
|
+ element.hasAttribute('role') ||
|
|
|
+ element.hasAttribute('tabindex') ||
|
|
|
+ element.hasAttribute('aria-') ||
|
|
|
+ element.hasAttribute('data-action') ||
|
|
|
+ element.getAttribute('contenteditable') == 'true';
|
|
|
+
|
|
|
+ return hasQuickInteractiveAttr;
|
|
|
+ }
|
|
|
+
|
|
|
+ // --- Define constants for distinct interaction check ---
|
|
|
+ const DISTINCT_INTERACTIVE_TAGS = new Set([
|
|
|
+ 'a',
|
|
|
+ 'button',
|
|
|
+ 'input',
|
|
|
+ 'select',
|
|
|
+ 'textarea',
|
|
|
+ 'summary',
|
|
|
+ 'details',
|
|
|
+ 'label',
|
|
|
+ 'option',
|
|
|
+ ]);
|
|
|
+ const INTERACTIVE_ROLES = new Set([
|
|
|
+ 'button',
|
|
|
+ 'link',
|
|
|
+ 'menuitem',
|
|
|
+ 'menuitemradio',
|
|
|
+ 'menuitemcheckbox',
|
|
|
+ 'radio',
|
|
|
+ 'checkbox',
|
|
|
+ 'tab',
|
|
|
+ 'switch',
|
|
|
+ 'slider',
|
|
|
+ 'spinbutton',
|
|
|
+ 'combobox',
|
|
|
+ 'searchbox',
|
|
|
+ 'textbox',
|
|
|
+ 'listbox',
|
|
|
+ 'option',
|
|
|
+ 'scrollbar',
|
|
|
+ ]);
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Checks if an element likely represents a distinct interaction
|
|
|
+ * separate from its parent (if the parent is also interactive).
|
|
|
+ */
|
|
|
+ function isElementDistinctInteraction(element) {
|
|
|
+ if (!element || element.nodeType !== Node.ELEMENT_NODE) {
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+
|
|
|
+ const tagName = element.tagName.toLowerCase();
|
|
|
+ const role = element.getAttribute('role');
|
|
|
+
|
|
|
+ // Check if it's an iframe - always distinct boundary
|
|
|
+ if (tagName === 'iframe') {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Check tag name
|
|
|
+ if (DISTINCT_INTERACTIVE_TAGS.has(tagName)) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ // Check interactive roles
|
|
|
+ if (role && INTERACTIVE_ROLES.has(role)) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ // Check contenteditable
|
|
|
+ if (element.isContentEditable || element.getAttribute('contenteditable') === 'true') {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ // Check for common testing/automation attributes
|
|
|
+ if (element.hasAttribute('data-testid') || element.hasAttribute('data-cy') || element.hasAttribute('data-test')) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ // Check for explicit onclick handler (attribute or property)
|
|
|
+ if (element.hasAttribute('onclick') || typeof element.onclick === 'function') {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ // Check for other common interaction event listeners
|
|
|
+ try {
|
|
|
+ if (typeof getEventListeners === 'function') {
|
|
|
+ const listeners = getEventListeners(element);
|
|
|
+ const interactionEvents = [
|
|
|
+ 'mousedown',
|
|
|
+ 'mouseup',
|
|
|
+ 'keydown',
|
|
|
+ 'keyup',
|
|
|
+ 'submit',
|
|
|
+ 'change',
|
|
|
+ 'input',
|
|
|
+ 'focus',
|
|
|
+ 'blur',
|
|
|
+ ];
|
|
|
+ for (const eventType of interactionEvents) {
|
|
|
+ if (listeners[eventType] && listeners[eventType].length > 0) {
|
|
|
+ return true; // Found a common interaction listener
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // Fallback: Check common event attributes if getEventListeners is not available
|
|
|
+ const commonEventAttrs = [
|
|
|
+ 'onmousedown',
|
|
|
+ 'onmouseup',
|
|
|
+ 'onkeydown',
|
|
|
+ 'onkeyup',
|
|
|
+ 'onsubmit',
|
|
|
+ 'onchange',
|
|
|
+ 'oninput',
|
|
|
+ 'onfocus',
|
|
|
+ 'onblur',
|
|
|
+ ];
|
|
|
+ if (commonEventAttrs.some(attr => element.hasAttribute(attr))) {
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } catch (e) {
|
|
|
+ // console.warn(`Could not check event listeners for ${element.tagName}:`, e);
|
|
|
+ // If checking listeners fails, rely on other checks
|
|
|
+ }
|
|
|
+
|
|
|
+ // Default to false: if it's interactive but doesn't match above,
|
|
|
+ // assume it triggers the same action as the parent.
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ // --- End distinct interaction check ---
|
|
|
+
|
|
|
+ /**
|
|
|
+ * Handles the logic for deciding whether to highlight an element and performing the highlight.
|
|
|
+ */
|
|
|
+ function handleHighlighting(nodeData, node, parentIframe, isParentHighlighted) {
|
|
|
+ if (!nodeData.isInteractive) return false;
|
|
|
+
|
|
|
+ let shouldHighlight = false;
|
|
|
+ if (!isParentHighlighted) {
|
|
|
+ shouldHighlight = true;
|
|
|
+ } else {
|
|
|
+ if (isElementDistinctInteraction(node)) {
|
|
|
+ shouldHighlight = true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ if (shouldHighlight) {
|
|
|
+ nodeData.isInViewport = true;
|
|
|
+ nodeData.highlightIndex = highlightIndex++;
|
|
|
+
|
|
|
+ if (doHighlightElements) {
|
|
|
+ if (focusHighlightIndex >= 0) {
|
|
|
+ if (focusHighlightIndex === nodeData.highlightIndex) {
|
|
|
+ highlightElement(node, nodeData.highlightIndex, parentIframe);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ highlightElement(node, nodeData.highlightIndex, parentIframe);
|
|
|
+ }
|
|
|
+ return true;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return false;
|
|
|
+ }
|
|
|
+ /**
|
|
|
+ * Creates a node data object for a given node and its descendants.
|
|
|
+ */
|
|
|
+ function buildDomTree(node, parentIframe = null, isParentHighlighted = false) {
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.totalNodes++;
|
|
|
+
|
|
|
+ if (!node || node.id === HIGHLIGHT_CONTAINER_ID) {
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.skippedNodes++;
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Special handling for root node (body)
|
|
|
+ if (node === document.body) {
|
|
|
+ const nodeData = {
|
|
|
+ tagName: 'body',
|
|
|
+ attributes: {},
|
|
|
+ xpath: '/body',
|
|
|
+ children: [],
|
|
|
+ };
|
|
|
+
|
|
|
+ // Process children of body
|
|
|
+ for (const child of node.childNodes) {
|
|
|
+ const domElement = buildDomTree(child, parentIframe, false); // Body's children have no highlighted parent initially
|
|
|
+ if (domElement) nodeData.children.push(domElement);
|
|
|
+ }
|
|
|
+
|
|
|
+ const id = `${ID.current++}`;
|
|
|
+ DOM_HASH_MAP[id] = nodeData;
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.processedNodes++;
|
|
|
+ return id;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Early bailout for non-element nodes except text
|
|
|
+ if (node.nodeType !== Node.ELEMENT_NODE && node.nodeType !== Node.TEXT_NODE) {
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.skippedNodes++;
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Process text nodes
|
|
|
+ if (node.nodeType === Node.TEXT_NODE) {
|
|
|
+ const textContent = node.textContent.trim();
|
|
|
+ if (!textContent) {
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.skippedNodes++;
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Only check visibility for text nodes that might be visible
|
|
|
+ const parentElement = node.parentElement;
|
|
|
+ if (!parentElement || parentElement.tagName.toLowerCase() === 'script') {
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.skippedNodes++;
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ const id = `${ID.current++}`;
|
|
|
+ DOM_HASH_MAP[id] = {
|
|
|
+ type: 'TEXT_NODE',
|
|
|
+ text: textContent,
|
|
|
+ isVisible: isTextNodeVisible(node),
|
|
|
+ };
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.processedNodes++;
|
|
|
+ return id;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Quick checks for element nodes
|
|
|
+ if (node.nodeType === Node.ELEMENT_NODE && !isElementAccepted(node)) {
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.skippedNodes++;
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Early viewport check - only filter out elements clearly outside viewport
|
|
|
+ // if (viewportExpansion !== -1) {
|
|
|
+ //
|
|
|
+ // const rect = getCachedBoundingRect(node); // Keep for initial quick check
|
|
|
+ // const style = getCachedComputedStyle(node);
|
|
|
+ //
|
|
|
+ // // Skip viewport check for fixed/sticky elements as they may appear anywhere
|
|
|
+ // const isFixedOrSticky = style && (style.position === 'fixed' || style.position === 'sticky');
|
|
|
+ //
|
|
|
+ // // Check if element has actual dimensions using offsetWidth/Height (quick check)
|
|
|
+ // const hasSize = node.offsetWidth > 0 || node.offsetHeight > 0;
|
|
|
+ //
|
|
|
+ // // Use getBoundingClientRect for the quick OUTSIDE check.
|
|
|
+ // // isInExpandedViewport will do the more accurate check later if needed.
|
|
|
+ // if (
|
|
|
+ // !rect ||
|
|
|
+ // (!isFixedOrSticky &&
|
|
|
+ // !hasSize &&
|
|
|
+ // (rect.bottom < -viewportExpansion ||
|
|
|
+ // rect.top > window.innerHeight + viewportExpansion ||
|
|
|
+ // rect.right < -viewportExpansion ||
|
|
|
+ // rect.left > window.innerWidth + viewportExpansion))
|
|
|
+ // ) {
|
|
|
+ // // console.log("Skipping node outside viewport (quick check):", node.tagName, rect);
|
|
|
+ // if (debugMode) PERF_METRICS.nodeMetrics.skippedNodes++;
|
|
|
+ // return null;
|
|
|
+ // }
|
|
|
+ // }
|
|
|
+
|
|
|
+ // Process element node
|
|
|
+ const nodeData = {
|
|
|
+ tagName: node.tagName.toLowerCase(),
|
|
|
+ attributes: {},
|
|
|
+ xpath: getXPathTree(node, true),
|
|
|
+ children: [],
|
|
|
+ };
|
|
|
+
|
|
|
+ // Get attributes for interactive elements or potential text containers
|
|
|
+ if (
|
|
|
+ isInteractiveCandidate(node) ||
|
|
|
+ node.tagName.toLowerCase() === 'iframe' ||
|
|
|
+ node.tagName.toLowerCase() === 'body'
|
|
|
+ ) {
|
|
|
+ const attributeNames = node.getAttributeNames?.() || [];
|
|
|
+ for (const name of attributeNames) {
|
|
|
+ nodeData.attributes[name] = node.getAttribute(name);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ let nodeWasHighlighted = false;
|
|
|
+ // Perform visibility, interactivity, and highlighting checks
|
|
|
+ if (node.nodeType === Node.ELEMENT_NODE) {
|
|
|
+ nodeData.isVisible = isElementVisible(node); // isElementVisible uses offsetWidth/Height, which is fine
|
|
|
+ if (nodeData.isVisible) {
|
|
|
+ nodeData.isTopElement = isTopElement(node);
|
|
|
+ if (nodeData.isTopElement) {
|
|
|
+ nodeData.isInteractive = isInteractiveElement(node);
|
|
|
+ // Call the dedicated highlighting function
|
|
|
+ nodeWasHighlighted = handleHighlighting(nodeData, node, parentIframe, isParentHighlighted);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Process children, with special handling for iframes and rich text editors
|
|
|
+ if (node.tagName) {
|
|
|
+ const tagName = node.tagName.toLowerCase();
|
|
|
+
|
|
|
+ // Handle iframes
|
|
|
+ if (tagName === 'iframe') {
|
|
|
+ try {
|
|
|
+ const iframeDoc = node.contentDocument || node.contentWindow?.document;
|
|
|
+ if (iframeDoc) {
|
|
|
+ for (const child of iframeDoc.childNodes) {
|
|
|
+ const domElement = buildDomTree(child, node, false);
|
|
|
+ if (domElement) nodeData.children.push(domElement);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ } catch (e) {
|
|
|
+ console.warn('Unable to access iframe:', e);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Handle rich text editors and contenteditable elements
|
|
|
+ else if (
|
|
|
+ node.isContentEditable ||
|
|
|
+ node.getAttribute('contenteditable') === 'true' ||
|
|
|
+ node.id === 'tinymce' ||
|
|
|
+ node.classList.contains('mce-content-body') ||
|
|
|
+ (tagName === 'body' && node.getAttribute('data-id')?.startsWith('mce_'))
|
|
|
+ ) {
|
|
|
+ // Process all child nodes to capture formatted text
|
|
|
+ for (const child of node.childNodes) {
|
|
|
+ const domElement = buildDomTree(child, parentIframe, nodeWasHighlighted);
|
|
|
+ if (domElement) nodeData.children.push(domElement);
|
|
|
+ }
|
|
|
+ } else {
|
|
|
+ // Handle shadow DOM
|
|
|
+ if (node.shadowRoot) {
|
|
|
+ nodeData.shadowRoot = true;
|
|
|
+ for (const child of node.shadowRoot.childNodes) {
|
|
|
+ const domElement = buildDomTree(child, parentIframe, nodeWasHighlighted);
|
|
|
+ if (domElement) nodeData.children.push(domElement);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ // Handle regular elements
|
|
|
+ for (const child of node.childNodes) {
|
|
|
+ // Pass the highlighted status of the *current* node to its children
|
|
|
+ const passHighlightStatusToChild = nodeWasHighlighted || isParentHighlighted;
|
|
|
+ const domElement = buildDomTree(child, parentIframe, passHighlightStatusToChild);
|
|
|
+ if (domElement) nodeData.children.push(domElement);
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ // Skip empty anchor tags
|
|
|
+ if (nodeData.tagName === 'a' && nodeData.children.length === 0 && !nodeData.attributes.href) {
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.skippedNodes++;
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+
|
|
|
+ const id = `${ID.current++}`;
|
|
|
+ DOM_HASH_MAP[id] = nodeData;
|
|
|
+ if (debugMode) PERF_METRICS.nodeMetrics.processedNodes++;
|
|
|
+ return id;
|
|
|
+ }
|
|
|
+
|
|
|
+ // After all functions are defined, wrap them with performance measurement
|
|
|
+ // Remove buildDomTree from here as we measure it separately
|
|
|
+ highlightElement = measureTime(highlightElement);
|
|
|
+ isInteractiveElement = measureTime(isInteractiveElement);
|
|
|
+ isElementVisible = measureTime(isElementVisible);
|
|
|
+ isTopElement = measureTime(isTopElement);
|
|
|
+ isInExpandedViewport = measureTime(isInExpandedViewport);
|
|
|
+ isTextNodeVisible = measureTime(isTextNodeVisible);
|
|
|
+ getEffectiveScroll = measureTime(getEffectiveScroll);
|
|
|
+
|
|
|
+ const rootId = buildDomTree(document.body);
|
|
|
+
|
|
|
+ // Clear the cache before starting
|
|
|
+ DOM_CACHE.clearCache();
|
|
|
+
|
|
|
+ // Only process metrics in debug mode
|
|
|
+ if (debugMode && PERF_METRICS) {
|
|
|
+ // Convert timings to seconds and add useful derived metrics
|
|
|
+ Object.keys(PERF_METRICS.timings).forEach(key => {
|
|
|
+ PERF_METRICS.timings[key] = PERF_METRICS.timings[key] / 1000;
|
|
|
+ });
|
|
|
+
|
|
|
+ Object.keys(PERF_METRICS.buildDomTreeBreakdown).forEach(key => {
|
|
|
+ if (typeof PERF_METRICS.buildDomTreeBreakdown[key] === 'number') {
|
|
|
+ PERF_METRICS.buildDomTreeBreakdown[key] = PERF_METRICS.buildDomTreeBreakdown[key] / 1000;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ // Add some useful derived metrics
|
|
|
+ if (PERF_METRICS.buildDomTreeBreakdown.buildDomTreeCalls > 0) {
|
|
|
+ PERF_METRICS.buildDomTreeBreakdown.averageTimePerNode =
|
|
|
+ PERF_METRICS.buildDomTreeBreakdown.totalTime / PERF_METRICS.buildDomTreeBreakdown.buildDomTreeCalls;
|
|
|
+ }
|
|
|
+
|
|
|
+ PERF_METRICS.buildDomTreeBreakdown.timeInChildCalls =
|
|
|
+ PERF_METRICS.buildDomTreeBreakdown.totalTime - PERF_METRICS.buildDomTreeBreakdown.totalSelfTime;
|
|
|
+
|
|
|
+ // Add average time per operation to the metrics
|
|
|
+ Object.keys(PERF_METRICS.buildDomTreeBreakdown.domOperations).forEach(op => {
|
|
|
+ const time = PERF_METRICS.buildDomTreeBreakdown.domOperations[op];
|
|
|
+ const count = PERF_METRICS.buildDomTreeBreakdown.domOperationCounts[op];
|
|
|
+ if (count > 0) {
|
|
|
+ PERF_METRICS.buildDomTreeBreakdown.domOperations[`${op}Average`] = time / count;
|
|
|
+ }
|
|
|
+ });
|
|
|
+
|
|
|
+ // Calculate cache hit rates
|
|
|
+ const boundingRectTotal =
|
|
|
+ PERF_METRICS.cacheMetrics.boundingRectCacheHits + PERF_METRICS.cacheMetrics.boundingRectCacheMisses;
|
|
|
+ const computedStyleTotal =
|
|
|
+ PERF_METRICS.cacheMetrics.computedStyleCacheHits + PERF_METRICS.cacheMetrics.computedStyleCacheMisses;
|
|
|
+
|
|
|
+ if (boundingRectTotal > 0) {
|
|
|
+ PERF_METRICS.cacheMetrics.boundingRectHitRate =
|
|
|
+ PERF_METRICS.cacheMetrics.boundingRectCacheHits / boundingRectTotal;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (computedStyleTotal > 0) {
|
|
|
+ PERF_METRICS.cacheMetrics.computedStyleHitRate =
|
|
|
+ PERF_METRICS.cacheMetrics.computedStyleCacheHits / computedStyleTotal;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (boundingRectTotal + computedStyleTotal > 0) {
|
|
|
+ PERF_METRICS.cacheMetrics.overallHitRate =
|
|
|
+ (PERF_METRICS.cacheMetrics.boundingRectCacheHits + PERF_METRICS.cacheMetrics.computedStyleCacheHits) /
|
|
|
+ (boundingRectTotal + computedStyleTotal);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ return debugMode ? { rootId, map: DOM_HASH_MAP, perfMetrics: PERF_METRICS } : { rootId, map: DOM_HASH_MAP };
|
|
|
+};
|
