feat: clean auto list data extraction
This commit is contained in:
Rohit Rajan
@@ -304,8 +304,6 @@ export const BrowserWindow = () => {
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const createFieldsFromChildSelectors = useCallback(
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(childSelectors: string[], listSelector: string) => {
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if (!childSelectors.length || !currentSnapshot) return {};
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const iframeElement = document.querySelector(
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"#dom-browser-iframe"
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) as HTMLIFrameElement;
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@@ -323,7 +321,6 @@ export const BrowserWindow = () => {
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const uniqueChildSelectors = [...new Set(childSelectors)];
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// Filter child selectors that occur in at least 2 out of first 10 list elements
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const validateChildSelectors = (selectors: string[]): string[] => {
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try {
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// Get first 10 list elements
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@@ -352,13 +349,10 @@ export const BrowserWindow = () => {
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// If we can't access the element, it's likely in shadow DOM - include it
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if (!testElement) {
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console.log(`Including potentially shadow DOM selector: ${selector}`);
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validSelectors.push(selector);
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continue;
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}
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} catch (accessError) {
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// If there's an error accessing, assume shadow DOM and include it
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console.log(`Including selector due to access error: ${selector}`);
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validSelectors.push(selector);
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continue;
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}
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@@ -395,7 +389,6 @@ export const BrowserWindow = () => {
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}
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};
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// Enhanced XPath evaluation for multiple elements
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const evaluateXPathAllWithShadowSupport = (
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document: Document,
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xpath: string,
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@@ -423,8 +416,6 @@ export const BrowserWindow = () => {
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return elements;
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}
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// If shadow DOM is indicated and regular XPath fails, use shadow DOM traversal
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// This is a simplified version - for multiple elements, we'll primarily rely on regular XPath
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return elements;
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} catch (err) {
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console.error("XPath evaluation failed:", xpath, err);
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@@ -432,7 +423,9 @@ export const BrowserWindow = () => {
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}
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};
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const validatedChildSelectors = validateChildSelectors(uniqueChildSelectors);
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const isValidData = (text: string | null | undefined): boolean => {
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return !!text && text.trim().length > 0;
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};
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const isElementVisible = (element: HTMLElement): boolean => {
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try {
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@@ -443,443 +436,119 @@ export const BrowserWindow = () => {
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}
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};
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const isValidData = (data: string): boolean => {
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if (!data || data.trim().length === 0) return false;
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const createFieldData = (element: HTMLElement, selector: string, forceAttribute?: string) => {
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const tagName = element.tagName.toLowerCase();
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let data = '';
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let attribute = forceAttribute || 'innerText';
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const trimmed = data.trim();
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// Filter out single letters
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if (trimmed.length === 1) {
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return false;
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}
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// Filter out pure symbols/punctuation
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if (trimmed.length < 3 && /^[^\w\s]+$/.test(trimmed)) {
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return false;
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}
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// Filter out whitespace and punctuation only
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if (/^[\s\p{P}\p{S}]*$/u.test(trimmed)) return false;
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return trimmed.length > 0;
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};
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// Enhanced shadow DOM-aware element evaluation
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const evaluateXPathWithShadowSupport = (
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document: Document,
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xpath: string,
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isShadow: boolean = false
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): Element | null => {
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try {
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// First try regular XPath evaluation
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const result = document.evaluate(
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xpath,
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document,
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null,
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XPathResult.FIRST_ORDERED_NODE_TYPE,
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null
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).singleNodeValue as Element | null;
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if (!isShadow || result) {
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return result;
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if (forceAttribute) {
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if (forceAttribute === 'href') {
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data = element.getAttribute('href') || '';
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} else if (forceAttribute === 'innerText') {
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data = (element.textContent || '').trim();
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}
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// If shadow DOM is indicated and regular XPath fails, use shadow DOM traversal
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let cleanPath = xpath;
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let isIndexed = false;
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const indexedMatch = xpath.match(/^\((.*?)\)\[(\d+)\](.*)$/);
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if (indexedMatch) {
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cleanPath = indexedMatch[1] + indexedMatch[3];
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isIndexed = true;
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} else if (tagName === 'img') {
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data = element.getAttribute('src') || '';
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attribute = 'src';
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} else if (tagName === 'a') {
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const href = element.getAttribute('href') || '';
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const text = (element.textContent || '').trim();
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if (href && href !== '#' && !href.startsWith('javascript:')) {
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data = href;
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attribute = 'href';
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} else if (text) {
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data = text;
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attribute = 'innerText';
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}
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const pathParts = cleanPath
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.replace(/^\/\//, "")
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.split("/")
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.map((p) => p.trim())
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.filter((p) => p.length > 0);
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let currentContexts: (Document | Element | ShadowRoot)[] = [document];
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for (let i = 0; i < pathParts.length; i++) {
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const part = pathParts[i];
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const nextContexts: (Element | ShadowRoot)[] = [];
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for (const ctx of currentContexts) {
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const positionalMatch = part.match(/^([^[]+)\[(\d+)\]$/);
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let partWithoutPosition = part;
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let requestedPosition: number | null = null;
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if (positionalMatch) {
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partWithoutPosition = positionalMatch[1];
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requestedPosition = parseInt(positionalMatch[2]);
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}
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const matched = queryInsideContext(ctx, partWithoutPosition);
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let elementsToAdd = matched;
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if (requestedPosition !== null) {
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const index = requestedPosition - 1;
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if (index >= 0 && index < matched.length) {
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elementsToAdd = [matched[index]];
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} else {
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elementsToAdd = [];
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}
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}
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elementsToAdd.forEach((el) => {
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nextContexts.push(el);
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if (el.shadowRoot) {
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nextContexts.push(el.shadowRoot);
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}
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});
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}
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if (nextContexts.length === 0) {
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return null;
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}
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currentContexts = nextContexts;
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}
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if (currentContexts.length > 0) {
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if (isIndexed && indexedMatch) {
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const requestedIndex = parseInt(indexedMatch[2]) - 1;
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if (requestedIndex >= 0 && requestedIndex < currentContexts.length) {
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return currentContexts[requestedIndex] as Element;
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} else {
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return null;
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}
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}
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return currentContexts[0] as Element;
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}
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return null;
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} catch (err) {
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console.error("XPath evaluation failed:", xpath, err);
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return null;
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}
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};
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const queryInsideContext = (
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context: Document | Element | ShadowRoot,
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part: string
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): Element[] => {
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try {
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const { tagName, conditions } = parseXPathPart(part);
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const candidateElements = Array.from(context.querySelectorAll(tagName));
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if (candidateElements.length === 0) {
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return [];
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}
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const matchingElements = candidateElements.filter((el) => {
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return elementMatchesConditions(el, conditions);
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});
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return matchingElements;
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} catch (err) {
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console.error("Error in queryInsideContext:", err);
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return [];
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}
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};
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const parseXPathPart = (
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part: string
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): { tagName: string; conditions: string[] } => {
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const tagMatch = part.match(/^([a-zA-Z0-9-]+)/);
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const tagName = tagMatch ? tagMatch[1] : "*";
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const conditionMatches = part.match(/\[([^\]]+)\]/g);
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const conditions = conditionMatches
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? conditionMatches.map((c) => c.slice(1, -1))
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: [];
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return { tagName, conditions };
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};
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const elementMatchesConditions = (
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element: Element,
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conditions: string[]
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): boolean => {
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for (const condition of conditions) {
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if (!elementMatchesCondition(element, condition)) {
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return false;
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}
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}
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return true;
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};
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const elementMatchesCondition = (
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element: Element,
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condition: string
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): boolean => {
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condition = condition.trim();
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if (/^\d+$/.test(condition)) {
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return true;
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} else {
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data = (element.textContent || '').trim();
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attribute = 'innerText';
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}
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// Handle @attribute="value"
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const attrMatch = condition.match(/^@([^=]+)=["']([^"']+)["']$/);
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if (attrMatch) {
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const [, attr, value] = attrMatch;
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const elementValue = element.getAttribute(attr);
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return elementValue === value;
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}
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if (!data) return null;
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// Handle contains(@class, 'value')
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const classContainsMatch = condition.match(
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/^contains\(@class,\s*["']([^"']+)["']\)$/
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);
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if (classContainsMatch) {
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const className = classContainsMatch[1];
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return element.classList.contains(className);
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}
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// Handle contains(@attribute, 'value')
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const attrContainsMatch = condition.match(
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/^contains\(@([^,]+),\s*["']([^"']+)["']\)$/
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);
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if (attrContainsMatch) {
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const [, attr, value] = attrContainsMatch;
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const elementValue = element.getAttribute(attr) || "";
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return elementValue.includes(value);
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}
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// Handle text()="value"
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const textMatch = condition.match(/^text\(\)=["']([^"']+)["']$/);
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if (textMatch) {
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const expectedText = textMatch[1];
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const elementText = element.textContent?.trim() || "";
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return elementText === expectedText;
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}
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// Handle contains(text(), 'value')
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const textContainsMatch = condition.match(
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/^contains\(text\(\),\s*["']([^"']+)["']\)$/
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);
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if (textContainsMatch) {
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const expectedText = textContainsMatch[1];
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const elementText = element.textContent?.trim() || "";
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return elementText.includes(expectedText);
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}
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// Handle count(*)=0 (element has no children)
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if (condition === "count(*)=0") {
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return element.children.length === 0;
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}
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// Handle other count conditions
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const countMatch = condition.match(/^count\(\*\)=(\d+)$/);
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if (countMatch) {
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const expectedCount = parseInt(countMatch[1]);
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return element.children.length === expectedCount;
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}
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return true;
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};
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// Enhanced value extraction with shadow DOM support
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const extractValueWithShadowSupport = (
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element: Element,
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attribute: string
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): string | null => {
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if (!element) return null;
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const baseURL =
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element.ownerDocument?.location?.href || window.location.origin;
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// Check shadow DOM content first
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if (element.shadowRoot) {
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const shadowContent = element.shadowRoot.textContent;
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if (shadowContent?.trim()) {
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return shadowContent.trim();
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return {
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data,
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selectorObj: {
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selector,
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attribute,
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tag: tagName.toUpperCase(),
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isShadow: element.getRootNode() instanceof ShadowRoot
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}
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}
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if (attribute === "innerText") {
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let textContent =
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(element as HTMLElement).innerText?.trim() ||
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(element as HTMLElement).textContent?.trim();
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if (!textContent) {
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const dataAttributes = [
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"data-600",
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"data-text",
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"data-label",
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"data-value",
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"data-content",
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];
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for (const attr of dataAttributes) {
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const dataValue = element.getAttribute(attr);
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if (dataValue && dataValue.trim()) {
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textContent = dataValue.trim();
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break;
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}
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}
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}
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return textContent || null;
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} else if (attribute === "innerHTML") {
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return element.innerHTML?.trim() || null;
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} else if (attribute === "href") {
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let anchorElement = element;
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if (element.tagName !== "A") {
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anchorElement =
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element.closest("a") ||
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element.parentElement?.closest("a") ||
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element;
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}
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const hrefValue = anchorElement.getAttribute("href");
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if (!hrefValue || hrefValue.trim() === "") {
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return null;
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}
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try {
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return new URL(hrefValue, baseURL).href;
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} catch (e) {
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console.warn("Error creating URL from", hrefValue, e);
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return hrefValue;
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}
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} else if (attribute === "src") {
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const attrValue = element.getAttribute(attribute);
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const dataAttr = attrValue || element.getAttribute("data-" + attribute);
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if (!dataAttr || dataAttr.trim() === "") {
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const style = window.getComputedStyle(element as HTMLElement);
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const bgImage = style.backgroundImage;
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if (bgImage && bgImage !== "none") {
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const matches = bgImage.match(/url\(['"]?([^'")]+)['"]?\)/);
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return matches ? new URL(matches[1], baseURL).href : null;
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}
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return null;
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}
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try {
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return new URL(dataAttr, baseURL).href;
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} catch (e) {
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console.warn("Error creating URL from", dataAttr, e);
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return dataAttr;
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}
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}
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return element.getAttribute(attribute);
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};
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// Simple deepest child finder - limit depth to prevent hanging
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const findDeepestChild = (element: HTMLElement): HTMLElement => {
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let deepest = element;
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let maxDepth = 0;
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const traverse = (el: HTMLElement, depth: number) => {
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if (depth > 3) return;
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const text = el.textContent?.trim() || "";
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if (isValidData(text) && depth > maxDepth) {
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maxDepth = depth;
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deepest = el;
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}
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const children = Array.from(el.children).slice(0, 3);
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children.forEach((child) => {
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if (child instanceof HTMLElement) {
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traverse(child, depth + 1);
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}
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});
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};
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traverse(element, 0);
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return deepest;
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};
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validatedChildSelectors.forEach((childSelector, index) => {
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const validatedChildSelectors = validateChildSelectors(uniqueChildSelectors);
|
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|
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validatedChildSelectors.forEach((selector, index) => {
|
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try {
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// Detect if this selector should use shadow DOM traversal
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const isShadowSelector = childSelector.includes('>>') ||
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childSelector.startsWith('//') &&
|
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(listSelector.includes('>>') || currentSnapshot?.snapshot);
|
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|
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const element = evaluateXPathWithShadowSupport(
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const elements = evaluateXPathAllWithShadowSupport(
|
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iframeElement.contentDocument!,
|
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childSelector,
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isShadowSelector
|
||||
) as HTMLElement;
|
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selector,
|
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selector.includes(">>") || selector.startsWith("//")
|
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);
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|
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if (element && isElementVisible(element)) {
|
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if (elements.length === 0) return;
|
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|
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const element = elements[0] as HTMLElement;
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const tagName = element.tagName.toLowerCase();
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const isShadow = element.getRootNode() instanceof ShadowRoot;
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|
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if (isElementVisible(element)) {
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const rect = element.getBoundingClientRect();
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const position = { x: rect.left, y: rect.top };
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const tagName = element.tagName.toLowerCase();
|
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const isShadow = element.getRootNode() instanceof ShadowRoot;
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|
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if (tagName === "a") {
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const anchor = element as HTMLAnchorElement;
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const href = extractValueWithShadowSupport(anchor, "href");
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const text = extractValueWithShadowSupport(anchor, "innerText");
|
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|
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if (
|
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href &&
|
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href.trim() !== "" &&
|
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href !== window.location.href &&
|
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!href.startsWith("javascript:") &&
|
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!href.startsWith("#")
|
||||
) {
|
||||
const fieldIdHref = Date.now() + index * 1000;
|
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|
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candidateFields.push({
|
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id: fieldIdHref,
|
||||
element: element,
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||||
isLeaf: true,
|
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depth: 0,
|
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position: position,
|
||||
field: {
|
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id: fieldIdHref,
|
||||
type: "text",
|
||||
label: `Label ${index * 2 + 1}`,
|
||||
data: href,
|
||||
selectorObj: {
|
||||
selector: childSelector,
|
||||
tag: element.tagName,
|
||||
isShadow: isShadow,
|
||||
attribute: "href",
|
||||
},
|
||||
},
|
||||
});
|
||||
}
|
||||
|
||||
const fieldIdText = Date.now() + index * 1000 + 1;
|
||||
if (tagName === 'a') {
|
||||
const href = element.getAttribute('href');
|
||||
const text = (element.textContent || '').trim();
|
||||
|
||||
if (text && isValidData(text)) {
|
||||
candidateFields.push({
|
||||
id: fieldIdText,
|
||||
element: element,
|
||||
isLeaf: true,
|
||||
depth: 0,
|
||||
position: position,
|
||||
field: {
|
||||
id: fieldIdText,
|
||||
type: "text",
|
||||
label: `Label ${index * 2 + 2}`,
|
||||
data: text,
|
||||
selectorObj: {
|
||||
selector: childSelector,
|
||||
tag: element.tagName,
|
||||
isShadow: isShadow,
|
||||
attribute: "innerText",
|
||||
},
|
||||
},
|
||||
});
|
||||
const textField = createFieldData(element, selector, 'innerText');
|
||||
if (textField && textField.data) {
|
||||
const fieldId = Date.now() + index * 1000;
|
||||
|
||||
candidateFields.push({
|
||||
id: fieldId,
|
||||
element: element,
|
||||
isLeaf: true,
|
||||
depth: 0,
|
||||
position: position,
|
||||
field: {
|
||||
id: fieldId,
|
||||
type: "text",
|
||||
label: `Label ${index * 2 + 1}`,
|
||||
data: textField.data,
|
||||
selectorObj: textField.selectorObj
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
|
||||
if (href && href !== '#' && !href.startsWith('javascript:')) {
|
||||
const hrefField = createFieldData(element, selector, 'href');
|
||||
if (hrefField && hrefField.data) {
|
||||
const fieldId = Date.now() + index * 1000 + 1;
|
||||
|
||||
candidateFields.push({
|
||||
id: fieldId,
|
||||
element: element,
|
||||
isLeaf: true,
|
||||
depth: 0,
|
||||
position: position,
|
||||
field: {
|
||||
id: fieldId,
|
||||
type: "text",
|
||||
label: `Label ${index * 2 + 2}`,
|
||||
data: hrefField.data,
|
||||
selectorObj: hrefField.selectorObj
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
} else if (tagName === "img") {
|
||||
const img = element as HTMLImageElement;
|
||||
const src = extractValueWithShadowSupport(img, "src");
|
||||
const alt = extractValueWithShadowSupport(img, "alt");
|
||||
const src = element.getAttribute("src");
|
||||
|
||||
if (src && !src.startsWith("data:") && src.length > 10) {
|
||||
if (src && isValidData(src)) {
|
||||
const fieldId = Date.now() + index * 1000;
|
||||
|
||||
candidateFields.push({
|
||||
@@ -894,7 +563,7 @@ export const BrowserWindow = () => {
|
||||
label: `Label ${index + 1}`,
|
||||
data: src,
|
||||
selectorObj: {
|
||||
selector: childSelector,
|
||||
selector: selector,
|
||||
tag: element.tagName,
|
||||
isShadow: isShadow,
|
||||
attribute: "src",
|
||||
@@ -902,9 +571,11 @@ export const BrowserWindow = () => {
|
||||
},
|
||||
});
|
||||
}
|
||||
} else {
|
||||
const fieldData = createFieldData(element, selector);
|
||||
|
||||
if (alt && isValidData(alt)) {
|
||||
const fieldId = Date.now() + index * 1000 + 1;
|
||||
if (fieldData && fieldData.data && isValidData(fieldData.data)) {
|
||||
const fieldId = Date.now() + index * 1000;
|
||||
|
||||
candidateFields.push({
|
||||
id: fieldId,
|
||||
@@ -912,127 +583,39 @@ export const BrowserWindow = () => {
|
||||
isLeaf: true,
|
||||
depth: 0,
|
||||
position: position,
|
||||
field: {
|
||||
id: fieldId,
|
||||
type: "text",
|
||||
label: `Label ${index + 2}`,
|
||||
data: alt,
|
||||
selectorObj: {
|
||||
selector: childSelector,
|
||||
tag: element.tagName,
|
||||
isShadow: isShadow,
|
||||
attribute: "alt",
|
||||
},
|
||||
},
|
||||
});
|
||||
}
|
||||
} else {
|
||||
const deepestElement = findDeepestChild(element);
|
||||
const data = extractValueWithShadowSupport(deepestElement, "innerText");
|
||||
|
||||
if (data && isValidData(data)) {
|
||||
const isLeaf = isLeafElement(deepestElement);
|
||||
const depth = getElementDepthFromList(
|
||||
deepestElement,
|
||||
listSelector,
|
||||
iframeElement.contentDocument!
|
||||
);
|
||||
|
||||
const fieldId = Date.now() + index;
|
||||
|
||||
candidateFields.push({
|
||||
id: fieldId,
|
||||
element: deepestElement,
|
||||
isLeaf: isLeaf,
|
||||
depth: depth,
|
||||
position: position,
|
||||
field: {
|
||||
id: fieldId,
|
||||
type: "text",
|
||||
label: `Label ${index + 1}`,
|
||||
data: data,
|
||||
selectorObj: {
|
||||
selector: childSelector,
|
||||
tag: deepestElement.tagName,
|
||||
isShadow: deepestElement.getRootNode() instanceof ShadowRoot,
|
||||
attribute: "innerText",
|
||||
},
|
||||
},
|
||||
data: fieldData.data,
|
||||
selectorObj: fieldData.selectorObj
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
} catch (error) {
|
||||
console.warn(
|
||||
`Failed to process child selector ${childSelector}:`,
|
||||
error
|
||||
);
|
||||
console.warn(`Failed to process child selector ${selector}:`, error);
|
||||
}
|
||||
});
|
||||
|
||||
candidateFields.sort((a, b) => {
|
||||
const yDiff = a.position.y - b.position.y;
|
||||
|
||||
|
||||
if (Math.abs(yDiff) <= 5) {
|
||||
return a.position.x - b.position.x;
|
||||
}
|
||||
|
||||
|
||||
return yDiff;
|
||||
});
|
||||
|
||||
const filteredCandidates = removeParentChildDuplicates(candidateFields);
|
||||
|
||||
const finalFields = removeDuplicateContent(filteredCandidates);
|
||||
return finalFields;
|
||||
},
|
||||
[currentSnapshot]
|
||||
);
|
||||
|
||||
const isLeafElement = (element: HTMLElement): boolean => {
|
||||
const children = Array.from(element.children) as HTMLElement[];
|
||||
|
||||
if (children.length === 0) return true;
|
||||
|
||||
const hasContentfulChildren = children.some((child) => {
|
||||
const text = child.textContent?.trim() || "";
|
||||
return text.length > 0 && text !== element.textContent?.trim();
|
||||
});
|
||||
|
||||
return !hasContentfulChildren;
|
||||
};
|
||||
|
||||
const getElementDepthFromList = (
|
||||
element: HTMLElement,
|
||||
listSelector: string,
|
||||
document: Document
|
||||
): number => {
|
||||
try {
|
||||
const listResult = document.evaluate(
|
||||
listSelector,
|
||||
document,
|
||||
null,
|
||||
XPathResult.FIRST_ORDERED_NODE_TYPE,
|
||||
null
|
||||
);
|
||||
|
||||
const listElement = listResult.singleNodeValue as HTMLElement;
|
||||
if (!listElement) return 0;
|
||||
|
||||
let depth = 0;
|
||||
let current = element;
|
||||
|
||||
while (current && current !== listElement && current.parentElement) {
|
||||
depth++;
|
||||
current = current.parentElement;
|
||||
if (depth > 20) break;
|
||||
}
|
||||
|
||||
return current === listElement ? depth : 0;
|
||||
} catch (error) {
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
const removeParentChildDuplicates = (
|
||||
candidates: Array<{
|
||||
id: number;
|
||||
|
||||
@@ -2499,34 +2499,24 @@ class ClientSelectorGenerator {
|
||||
return [];
|
||||
}
|
||||
|
||||
if (parentElements.length > 10) {
|
||||
parentElements = parentElements.slice(0, 10);
|
||||
}
|
||||
const maxItems = 10;
|
||||
const limitedParents = parentElements.slice(0, Math.min(maxItems, parentElements.length));
|
||||
|
||||
const allChildSelectors = new Set<string>();
|
||||
const processedParents = new Set<HTMLElement>();
|
||||
const allChildSelectors: string[] = [];
|
||||
|
||||
for (const parentElement of parentElements) {
|
||||
if (processedParents.has(parentElement)) continue;
|
||||
processedParents.add(parentElement);
|
||||
for (let i = 0; i < limitedParents.length; i++) {
|
||||
const parent = limitedParents[i];
|
||||
const otherListElements = limitedParents.filter((_, index) => index !== i);
|
||||
|
||||
const otherListElements = parentElements.filter(
|
||||
(el) => el !== parentElement
|
||||
);
|
||||
|
||||
const childSelectors = this.generateOptimizedChildXPaths(
|
||||
parentElement,
|
||||
const selectors = this.generateOptimizedChildXPaths(
|
||||
parent,
|
||||
parentSelector,
|
||||
iframeDoc,
|
||||
otherListElements
|
||||
);
|
||||
|
||||
for (const selector of childSelectors) {
|
||||
allChildSelectors.add(selector);
|
||||
}
|
||||
allChildSelectors.push(...selectors);
|
||||
}
|
||||
|
||||
const result = Array.from(allChildSelectors).sort();
|
||||
const result = Array.from(new Set(allChildSelectors)).sort();
|
||||
this.selectorCache.set(cacheKey, result);
|
||||
return result;
|
||||
} catch (error) {
|
||||
@@ -2609,7 +2599,6 @@ class ClientSelectorGenerator {
|
||||
private generateOptimizedChildXPaths(
|
||||
parentElement: HTMLElement,
|
||||
listSelector: string,
|
||||
document: Document,
|
||||
otherListElements: HTMLElement[] = []
|
||||
): string[] {
|
||||
const selectors: string[] = [];
|
||||
|
||||
Reference in New Issue
Block a user