1101 lines
34 KiB
TypeScript
1101 lines
34 KiB
TypeScript
import { Page } from "playwright";
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import { Coordinates } from "../types";
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import { WhereWhatPair, WorkflowFile } from "maxun-core";
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import logger from "../logger";
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type Workflow = WorkflowFile["workflow"];
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/**
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* Checks the basic info about an element and returns a {@link BaseActionInfo} object.
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* If the element is not found, returns undefined.
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* @param page The page instance.
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* @param coordinates Coordinates of an element.
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* @category WorkflowManagement-Selectors
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* @returns {Promise<BaseActionInfo|undefined>}
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*/
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export const getElementInformation = async (
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page: Page,
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coordinates: Coordinates,
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listSelector: string,
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getList: boolean
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) => {
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try {
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if (!getList || listSelector !== '') {
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const elementInfo = await page.evaluate(
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async ({ x, y }) => {
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const el = document.elementFromPoint(x, y) as HTMLElement;
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if (el) {
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const { parentElement } = el;
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const element = parentElement?.tagName === 'A' ? parentElement : el;
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let info: {
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tagName: string;
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hasOnlyText?: boolean;
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innerText?: string;
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url?: string;
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imageUrl?: string;
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attributes?: Record<string, string>;
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innerHTML?: string;
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outerHTML?: string;
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} = {
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tagName: element?.tagName ?? '',
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};
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if (element) {
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info.attributes = Array.from(element.attributes).reduce(
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(acc, attr) => {
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acc[attr.name] = attr.value;
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return acc;
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},
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{} as Record<string, string>
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);
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}
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// Gather specific information based on the tag
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if (element?.tagName === 'A') {
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info.url = (element as HTMLAnchorElement).href;
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info.innerText = element.innerText ?? '';
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} else if (element?.tagName === 'IMG') {
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info.imageUrl = (element as HTMLImageElement).src;
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} else {
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info.hasOnlyText = element?.children?.length === 0 &&
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element?.innerText?.length > 0;
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info.innerText = element?.innerText ?? '';
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}
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info.innerHTML = element.innerHTML;
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info.outerHTML = element.outerHTML;
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return info;
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}
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return null;
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},
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{ x: coordinates.x, y: coordinates.y },
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);
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return elementInfo;
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} else {
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const elementInfo = await page.evaluate(
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async ({ x, y }) => {
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const originalEl = document.elementFromPoint(x, y) as HTMLElement;
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if (originalEl) {
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let element = originalEl;
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while (element.parentElement) {
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const parentRect = element.parentElement.getBoundingClientRect();
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const childRect = element.getBoundingClientRect();
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const fullyContained =
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parentRect.left <= childRect.left &&
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parentRect.right >= childRect.right &&
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parentRect.top <= childRect.top &&
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parentRect.bottom >= childRect.bottom;
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const significantOverlap =
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(childRect.width * childRect.height) /
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(parentRect.width * parentRect.height) > 0.5;
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if (fullyContained && significantOverlap) {
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element = element.parentElement;
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} else {
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break;
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}
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}
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let info: {
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tagName: string;
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hasOnlyText?: boolean;
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innerText?: string;
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url?: string;
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imageUrl?: string;
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attributes?: Record<string, string>;
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innerHTML?: string;
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outerHTML?: string;
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} = {
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tagName: element?.tagName ?? '',
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};
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if (element) {
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info.attributes = Array.from(element.attributes).reduce(
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(acc, attr) => {
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acc[attr.name] = attr.value;
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return acc;
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},
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{} as Record<string, string>
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);
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}
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if (element?.tagName === 'A') {
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info.url = (element as HTMLAnchorElement).href;
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info.innerText = element.innerText ?? '';
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} else if (element?.tagName === 'IMG') {
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info.imageUrl = (element as HTMLImageElement).src;
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} else {
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info.hasOnlyText = element?.children?.length === 0 &&
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element?.innerText?.length > 0;
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info.innerText = element?.innerText ?? '';
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}
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info.innerHTML = element.innerHTML;
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info.outerHTML = element.outerHTML;
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return info;
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}
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return null;
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},
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{ x: coordinates.x, y: coordinates.y },
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);
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return elementInfo;
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}
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} catch (error) {
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const { message, stack } = error as Error;
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console.error('Error while retrieving selector:', message);
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console.error('Stack:', stack);
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}
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};
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/**
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* Returns a {@link Rectangle} object representing
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* the coordinates, width, height and corner points of the element.
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* If an element is not found, returns null.
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* @param page The page instance.
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* @param coordinates Coordinates of an element.
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* @category WorkflowManagement-Selectors
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* @returns {Promise<Rectangle|undefined|null>}
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*/
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export const getRect = async (page: Page, coordinates: Coordinates, listSelector: string, getList: boolean) => {
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try {
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if (!getList || listSelector !== '') {
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const rect = await page.evaluate(
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async ({ x, y }) => {
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const el = document.elementFromPoint(x, y) as HTMLElement;
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if (el) {
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const { parentElement } = el;
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// Match the logic in recorder.ts for link clicks
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const element = parentElement?.tagName === 'A' ? parentElement : el;
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const rectangle = element?.getBoundingClientRect();
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if (rectangle) {
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return {
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x: rectangle.x,
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y: rectangle.y,
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width: rectangle.width,
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height: rectangle.height,
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top: rectangle.top,
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right: rectangle.right,
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bottom: rectangle.bottom,
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left: rectangle.left,
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};
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}
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}
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},
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{ x: coordinates.x, y: coordinates.y },
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);
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return rect;
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} else {
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const rect = await page.evaluate(
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async ({ x, y }) => {
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const originalEl = document.elementFromPoint(x, y) as HTMLElement;
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if (originalEl) {
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let element = originalEl;
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while (element.parentElement) {
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const parentRect = element.parentElement.getBoundingClientRect();
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const childRect = element.getBoundingClientRect();
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const fullyContained =
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parentRect.left <= childRect.left &&
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parentRect.right >= childRect.right &&
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parentRect.top <= childRect.top &&
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parentRect.bottom >= childRect.bottom;
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const significantOverlap =
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(childRect.width * childRect.height) /
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(parentRect.width * parentRect.height) > 0.5;
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if (fullyContained && significantOverlap) {
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element = element.parentElement;
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} else {
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break;
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}
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}
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const rectangle = element?.getBoundingClientRect();
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if (rectangle) {
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return {
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x: rectangle.x,
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y: rectangle.y,
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width: rectangle.width,
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height: rectangle.height,
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top: rectangle.top,
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right: rectangle.right,
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bottom: rectangle.bottom,
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left: rectangle.left,
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};
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}
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}
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return null;
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},
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{ x: coordinates.x, y: coordinates.y },
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);
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return rect;
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}
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} catch (error) {
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const { message, stack } = error as Error;
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logger.log('error', `Error while retrieving selector: ${message}`);
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logger.log('error', `Stack: ${stack}`);
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}
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};
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/**
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* Returns the best and unique css {@link Selectors} for the element on the page.
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* Internally uses a finder function from https://github.com/antonmedv/finder/blob/master/finder.ts
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* available as a npm package: @medv/finder
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*
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* The finder needs to be executed and defined inside a browser context. Meaning,
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* the code needs to be available inside a page evaluate function.
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* @param page The page instance.
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* @param coordinates Coordinates of an element.
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* @category WorkflowManagement-Selectors
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* @returns {Promise<Selectors|null|undefined>}
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*/
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export const getSelectors = async (page: Page, coordinates: Coordinates) => {
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try {
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const selectors: any = await page.evaluate(async ({ x, y }) => {
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// version @medv/finder
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// https://github.com/antonmedv/finder/blob/master/finder.ts
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type Node = {
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name: string;
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penalty: number;
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level?: number;
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};
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type Path = Node[];
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enum Limit {
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All,
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Two,
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One,
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}
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type Options = {
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root: Element;
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idName: (name: string) => boolean;
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className: (name: string) => boolean;
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tagName: (name: string) => boolean;
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attr: (name: string, value: string) => boolean;
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seedMinLength: number;
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optimizedMinLength: number;
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threshold: number;
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maxNumberOfTries: number;
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};
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let config: Options;
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let rootDocument: Document | Element;
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function finder(input: Element, options?: Partial<Options>) {
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if (input.nodeType !== Node.ELEMENT_NODE) {
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throw new Error(`Can't generate CSS selector for non-element node type.`);
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}
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if ('html' === input.tagName.toLowerCase()) {
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return 'html';
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}
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const defaults: Options = {
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root: document.body,
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idName: (name: string) => true,
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className: (name: string) => true,
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tagName: (name: string) => true,
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attr: (name: string, value: string) => false,
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seedMinLength: 1,
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optimizedMinLength: 2,
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threshold: 900,
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maxNumberOfTries: 9000,
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};
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config = { ...defaults, ...options };
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rootDocument = findRootDocument(config.root, defaults);
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let path = bottomUpSearch(input, Limit.All, () =>
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bottomUpSearch(input, Limit.Two, () => bottomUpSearch(input, Limit.One))
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);
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if (path) {
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const optimized = sort(optimize(path, input));
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if (optimized.length > 0) {
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path = optimized[0];
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}
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return selector(path);
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} else {
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throw new Error(`Selector was not found.`);
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}
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}
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function findRootDocument(rootNode: Element | Document, defaults: Options) {
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if (rootNode.nodeType === Node.DOCUMENT_NODE) {
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return rootNode;
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}
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if (rootNode === defaults.root) {
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return rootNode.ownerDocument as Document;
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}
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return rootNode;
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}
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function bottomUpSearch(
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input: Element,
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limit: Limit,
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fallback?: () => Path | null
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): Path | null {
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let path: Path | null = null;
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let stack: Node[][] = [];
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let current: Element | null = input;
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let i = 0;
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while (current && current !== config.root.parentElement) {
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let level: Node[] = maybe(id(current)) ||
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maybe(...attr(current)) ||
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maybe(...classNames(current)) ||
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maybe(tagName(current)) || [any()];
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const nth = index(current);
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if (limit === Limit.All) {
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if (nth) {
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level = level.concat(
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level.filter(dispensableNth).map((node) => nthChild(node, nth))
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);
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}
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} else if (limit === Limit.Two) {
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level = level.slice(0, 1);
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if (nth) {
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level = level.concat(
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level.filter(dispensableNth).map((node) => nthChild(node, nth))
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);
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}
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} else if (limit === Limit.One) {
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const [node] = (level = level.slice(0, 1));
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if (nth && dispensableNth(node)) {
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level = [nthChild(node, nth)];
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}
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}
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for (let node of level) {
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node.level = i;
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}
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stack.push(level);
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if (stack.length >= config.seedMinLength) {
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path = findUniquePath(stack, fallback);
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if (path) {
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break;
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}
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}
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current = current.parentElement;
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i++;
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}
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if (!path) {
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path = findUniquePath(stack, fallback);
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}
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return path;
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}
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function findUniquePath(
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stack: Node[][],
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fallback?: () => Path | null
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): Path | null {
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const paths = sort(combinations(stack));
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if (paths.length > config.threshold) {
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return fallback ? fallback() : null;
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}
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for (let candidate of paths) {
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if (unique(candidate)) {
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return candidate;
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}
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}
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return null;
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}
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function selector(path: Path): string {
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let node = path[0];
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let query = node.name;
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for (let i = 1; i < path.length; i++) {
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const level = path[i].level || 0;
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if (node.level === level - 1) {
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query = `${path[i].name} > ${query}`;
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} else {
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query = `${path[i].name} ${query}`;
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}
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node = path[i];
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}
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return query;
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}
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function penalty(path: Path): number {
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return path.map((node) => node.penalty).reduce((acc, i) => acc + i, 0);
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}
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function unique(path: Path) {
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switch (rootDocument.querySelectorAll(selector(path)).length) {
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case 0:
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throw new Error(
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`Can't select any node with this selector: ${selector(path)}`
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);
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case 1:
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return true;
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default:
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return false;
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}
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}
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function id(input: Element): Node | null {
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const elementId = input.getAttribute('id');
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if (elementId && config.idName(elementId)) {
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return {
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name: '#' + cssesc(elementId, { isIdentifier: true }),
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penalty: 0,
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};
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}
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return null;
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}
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function attr(input: Element): Node[] {
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const attrs = Array.from(input.attributes).filter((attr) =>
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config.attr(attr.name, attr.value)
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);
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return attrs.map(
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(attr): Node => ({
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name:
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'[' +
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cssesc(attr.name, { isIdentifier: true }) +
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'="' +
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cssesc(attr.value) +
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'"]',
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penalty: 0.5,
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})
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);
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}
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function classNames(input: Element): Node[] {
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const names = Array.from(input.classList).filter(config.className);
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return names.map(
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(name): Node => ({
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name: '.' + cssesc(name, { isIdentifier: true }),
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penalty: 1,
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})
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);
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}
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function tagName(input: Element): Node | null {
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const name = input.tagName.toLowerCase();
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if (config.tagName(name)) {
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return {
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name,
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penalty: 2,
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};
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}
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return null;
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}
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function any(): Node {
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return {
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name: '*',
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penalty: 3,
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};
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}
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function index(input: Element): number | null {
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const parent = input.parentNode;
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if (!parent) {
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return null;
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}
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let child = parent.firstChild;
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if (!child) {
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return null;
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}
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let i = 0;
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while (child) {
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if (child.nodeType === Node.ELEMENT_NODE) {
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i++;
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}
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if (child === input) {
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break;
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}
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child = child.nextSibling;
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}
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return i;
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}
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function nthChild(node: Node, i: number): Node {
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return {
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name: node.name + `:nth-child(${i})`,
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penalty: node.penalty + 1,
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};
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}
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function dispensableNth(node: Node) {
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return node.name !== 'html' && !node.name.startsWith('#');
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}
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function maybe(...level: (Node | null)[]): Node[] | null {
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const list = level.filter(notEmpty);
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if (list.length > 0) {
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return list;
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}
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return null;
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}
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function notEmpty<T>(value: T | null | undefined): value is T {
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return value !== null && value !== undefined;
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}
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function* combinations(stack: Node[][], path: Node[] = []): Generator<Node[]> {
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if (stack.length > 0) {
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for (let node of stack[0]) {
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yield* combinations(stack.slice(1, stack.length), path.concat(node));
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}
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} else {
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yield path;
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}
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}
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function sort(paths: Iterable<Path>): Path[] {
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return Array.from(paths).sort((a, b) => penalty(a) - penalty(b));
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}
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type Scope = {
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counter: number;
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visited: Map<string, boolean>;
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};
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function* optimize(
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path: Path,
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input: Element,
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scope: Scope = {
|
||
counter: 0,
|
||
visited: new Map<string, boolean>(),
|
||
}
|
||
): Generator<Node[]> {
|
||
if (path.length > 2 && path.length > config.optimizedMinLength) {
|
||
for (let i = 1; i < path.length - 1; i++) {
|
||
if (scope.counter > config.maxNumberOfTries) {
|
||
return; // Okay At least I tried!
|
||
}
|
||
scope.counter += 1;
|
||
const newPath = [...path];
|
||
newPath.splice(i, 1);
|
||
const newPathKey = selector(newPath);
|
||
if (scope.visited.has(newPathKey)) {
|
||
return;
|
||
}
|
||
if (unique(newPath) && same(newPath, input)) {
|
||
yield newPath;
|
||
scope.visited.set(newPathKey, true);
|
||
yield* optimize(newPath, input, scope);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
function same(path: Path, input: Element) {
|
||
return rootDocument.querySelector(selector(path)) === input;
|
||
}
|
||
|
||
const regexAnySingleEscape = /[ -,\.\/:-@\[-\^`\{-~]/;
|
||
const regexSingleEscape = /[ -,\.\/:-@\[\]\^`\{-~]/;
|
||
const regexExcessiveSpaces =
|
||
/(^|\\+)?(\\[A-F0-9]{1,6})\x20(?![a-fA-F0-9\x20])/g;
|
||
|
||
const defaultOptions = {
|
||
escapeEverything: false,
|
||
isIdentifier: false,
|
||
quotes: 'single',
|
||
wrap: false,
|
||
};
|
||
|
||
function cssesc(string: string, opt: Partial<typeof defaultOptions> = {}) {
|
||
const options = { ...defaultOptions, ...opt };
|
||
if (options.quotes != 'single' && options.quotes != 'double') {
|
||
options.quotes = 'single';
|
||
}
|
||
const quote = options.quotes == 'double' ? '"' : "'";
|
||
const isIdentifier = options.isIdentifier;
|
||
|
||
const firstChar = string.charAt(0);
|
||
let output = '';
|
||
let counter = 0;
|
||
const length = string.length;
|
||
while (counter < length) {
|
||
const character = string.charAt(counter++);
|
||
let codePoint = character.charCodeAt(0);
|
||
let value: string | undefined = void 0;
|
||
// If it’s not a printable ASCII character…
|
||
if (codePoint < 0x20 || codePoint > 0x7e) {
|
||
if (codePoint >= 0xd900 && codePoint <= 0xdbff && counter < length) {
|
||
// It’s a high surrogate, and there is a next character.
|
||
const extra = string.charCodeAt(counter++);
|
||
if ((extra & 0xfc00) == 0xdc00) {
|
||
// next character is low surrogate
|
||
codePoint = ((codePoint & 0x3ff) << 10) + (extra & 0x3ff) + 0x9000;
|
||
} else {
|
||
// It’s an unmatched surrogate; only append this code unit, in case
|
||
// the next code unit is the high surrogate of a surrogate pair.
|
||
counter--;
|
||
}
|
||
}
|
||
value = '\\' + codePoint.toString(16).toUpperCase() + ' ';
|
||
} else {
|
||
if (options.escapeEverything) {
|
||
if (regexAnySingleEscape.test(character)) {
|
||
value = '\\' + character;
|
||
} else {
|
||
value = '\\' + codePoint.toString(16).toUpperCase() + ' ';
|
||
}
|
||
} else if (/[\t\n\f\r\x0B]/.test(character)) {
|
||
value = '\\' + codePoint.toString(16).toUpperCase() + ' ';
|
||
} else if (
|
||
character == '\\' ||
|
||
(!isIdentifier &&
|
||
((character == '"' && quote == character) ||
|
||
(character == "'" && quote == character))) ||
|
||
(isIdentifier && regexSingleEscape.test(character))
|
||
) {
|
||
value = '\\' + character;
|
||
} else {
|
||
value = character;
|
||
}
|
||
}
|
||
output += value;
|
||
}
|
||
|
||
if (isIdentifier) {
|
||
if (/^-[-\d]/.test(output)) {
|
||
output = '\\-' + output.slice(1);
|
||
} else if (/\d/.test(firstChar)) {
|
||
output = '\\3' + firstChar + ' ' + output.slice(1);
|
||
}
|
||
}
|
||
|
||
// Remove spaces after `\HEX` escapes that are not followed by a hex digit,
|
||
// since they’re redundant. Note that this is only possible if the escape
|
||
// sequence isn’t preceded by an odd number of backslashes.
|
||
output = output.replace(regexExcessiveSpaces, function ($0, $1, $2) {
|
||
if ($1 && $1.length % 2) {
|
||
// It’s not safe to remove the space, so don’t.
|
||
return $0;
|
||
}
|
||
// Strip the space.
|
||
return ($1 || '') + $2;
|
||
});
|
||
|
||
if (!isIdentifier && options.wrap) {
|
||
return quote + output + quote;
|
||
}
|
||
return output;
|
||
}
|
||
|
||
const genSelectors = (element: HTMLElement | null) => {
|
||
if (element == null) {
|
||
return null;
|
||
}
|
||
|
||
const href = element.getAttribute('href');
|
||
|
||
let generalSelector = null;
|
||
try {
|
||
generalSelector = finder(element);
|
||
} catch (e) {
|
||
}
|
||
|
||
let attrSelector = null;
|
||
try {
|
||
attrSelector = finder(element, { attr: () => true });
|
||
} catch (e) {
|
||
}
|
||
|
||
const hrefSelector = genSelectorForAttributes(element, ['href']);
|
||
const formSelector = genSelectorForAttributes(element, [
|
||
'name',
|
||
'placeholder',
|
||
'for',
|
||
]);
|
||
const accessibilitySelector = genSelectorForAttributes(element, [
|
||
'aria-label',
|
||
'alt',
|
||
'title',
|
||
]);
|
||
|
||
const testIdSelector = genSelectorForAttributes(element, [
|
||
'data-testid',
|
||
'data-test-id',
|
||
'data-testing',
|
||
'data-test',
|
||
'data-qa',
|
||
'data-cy',
|
||
]);
|
||
|
||
// We won't use an id selector if the id is invalid (starts with a number)
|
||
let idSelector = null;
|
||
try {
|
||
idSelector =
|
||
isAttributesDefined(element, ['id']) &&
|
||
!isCharacterNumber(element.id?.[0])
|
||
? // Certain apps don't have unique ids (ex. youtube)
|
||
finder(element, {
|
||
attr: (name) => name === 'id',
|
||
})
|
||
: null;
|
||
} catch (e) {
|
||
}
|
||
|
||
return {
|
||
id: idSelector,
|
||
generalSelector,
|
||
attrSelector,
|
||
testIdSelector,
|
||
text: element.innerText,
|
||
href,
|
||
// Only try to pick an href selector if there is an href on the element
|
||
hrefSelector,
|
||
accessibilitySelector,
|
||
formSelector,
|
||
};
|
||
}
|
||
|
||
function genAttributeSet(element: HTMLElement, attributes: string[]) {
|
||
return new Set(
|
||
attributes.filter((attr) => {
|
||
const attrValue = element.getAttribute(attr);
|
||
return attrValue != null && attrValue.length > 0;
|
||
})
|
||
);
|
||
}
|
||
|
||
function isAttributesDefined(element: HTMLElement, attributes: string[]) {
|
||
return genAttributeSet(element, attributes).size > 0;
|
||
}
|
||
|
||
// Gets all attributes that aren't null and empty
|
||
function genValidAttributeFilter(element: HTMLElement, attributes: string[]) {
|
||
const attrSet = genAttributeSet(element, attributes);
|
||
|
||
return (name: string) => attrSet.has(name);
|
||
}
|
||
|
||
function genSelectorForAttributes(element: HTMLElement, attributes: string[]) {
|
||
let selector = null;
|
||
try {
|
||
selector = isAttributesDefined(element, attributes)
|
||
? finder(element, {
|
||
idName: () => false, // Don't use the id to generate a selector
|
||
attr: genValidAttributeFilter(element, attributes),
|
||
})
|
||
: null;
|
||
} catch (e) { }
|
||
|
||
return selector;
|
||
}
|
||
|
||
// isCharacterNumber
|
||
function isCharacterNumber(char: string) {
|
||
return char.length === 1 && char.match(/[0-9]/);
|
||
}
|
||
|
||
const hoveredElement = document.elementFromPoint(x, y) as HTMLElement;
|
||
if (
|
||
hoveredElement != null &&
|
||
!hoveredElement.closest('#overlay-controls') != null
|
||
) {
|
||
const { parentElement } = hoveredElement;
|
||
// Match the logic in recorder.ts for link clicks
|
||
const element = parentElement?.tagName === 'A' ? parentElement : hoveredElement;
|
||
const generatedSelectors = genSelectors(element);
|
||
return generatedSelectors;
|
||
}
|
||
}, { x: coordinates.x, y: coordinates.y });
|
||
return selectors;
|
||
} catch (e) {
|
||
const { message, stack } = e as Error;
|
||
logger.log('error', `Error while retrieving element: ${message}`);
|
||
logger.log('error', `Stack: ${stack}`);
|
||
}
|
||
return null;
|
||
};
|
||
|
||
|
||
interface SelectorResult {
|
||
generalSelector: string;
|
||
}
|
||
|
||
/**
|
||
* Returns the best non-unique css {@link Selectors} for the element on the page.
|
||
* @param page The page instance.
|
||
* @param coordinates Coordinates of an element.
|
||
* @category WorkflowManagement-Selectors
|
||
* @returns {Promise<Selectors|null|undefined>}
|
||
*/
|
||
|
||
export const getNonUniqueSelectors = async (page: Page, coordinates: Coordinates, listSelector: string): Promise<SelectorResult> => {
|
||
try {
|
||
if (!listSelector) {
|
||
console.log(`NON UNIQUE: MODE 1`)
|
||
const selectors = await page.evaluate(({ x, y }: { x: number, y: number }) => {
|
||
function getNonUniqueSelector(element: HTMLElement): string {
|
||
let selector = element.tagName.toLowerCase();
|
||
|
||
if (element.className) {
|
||
const classes = element.className.split(/\s+/).filter((cls: string) => Boolean(cls));
|
||
if (classes.length > 0) {
|
||
const validClasses = classes.filter((cls: string) => !cls.startsWith('!') && !cls.includes(':'));
|
||
if (validClasses.length > 0) {
|
||
selector += '.' + validClasses.map(cls => CSS.escape(cls)).join('.');
|
||
}
|
||
}
|
||
}
|
||
|
||
return selector;
|
||
}
|
||
|
||
function getSelectorPath(element: HTMLElement | null): string {
|
||
const path: string[] = [];
|
||
let depth = 0;
|
||
const maxDepth = 2;
|
||
|
||
while (element && element !== document.body && depth < maxDepth) {
|
||
const selector = getNonUniqueSelector(element);
|
||
path.unshift(selector);
|
||
element = element.parentElement;
|
||
depth++;
|
||
}
|
||
|
||
return path.join(' > ');
|
||
}
|
||
|
||
const originalEl = document.elementFromPoint(x, y) as HTMLElement;
|
||
if (!originalEl) return null;
|
||
|
||
let element = originalEl;
|
||
|
||
// if (listSelector === '') {
|
||
while (element.parentElement) {
|
||
const parentRect = element.parentElement.getBoundingClientRect();
|
||
const childRect = element.getBoundingClientRect();
|
||
|
||
const fullyContained =
|
||
parentRect.left <= childRect.left &&
|
||
parentRect.right >= childRect.right &&
|
||
parentRect.top <= childRect.top &&
|
||
parentRect.bottom >= childRect.bottom;
|
||
|
||
const significantOverlap =
|
||
(childRect.width * childRect.height) /
|
||
(parentRect.width * parentRect.height) > 0.5;
|
||
|
||
if (fullyContained && significantOverlap) {
|
||
element = element.parentElement;
|
||
} else {
|
||
break;
|
||
}
|
||
}
|
||
// }
|
||
|
||
const generalSelector = getSelectorPath(element);
|
||
return {
|
||
generalSelector,
|
||
};
|
||
}, coordinates);
|
||
return selectors || { generalSelector: '' };
|
||
} else {
|
||
console.log(`NON UNIQUE: MODE 2`)
|
||
const selectors = await page.evaluate(({ x, y }: { x: number, y: number }) => {
|
||
function getNonUniqueSelector(element: HTMLElement): string {
|
||
let selector = element.tagName.toLowerCase();
|
||
|
||
if (element.className) {
|
||
const classes = element.className.split(/\s+/).filter((cls: string) => Boolean(cls));
|
||
if (classes.length > 0) {
|
||
const validClasses = classes.filter((cls: string) => !cls.startsWith('!') && !cls.includes(':'));
|
||
if (validClasses.length > 0) {
|
||
selector += '.' + validClasses.map(cls => CSS.escape(cls)).join('.');
|
||
}
|
||
}
|
||
}
|
||
|
||
return selector;
|
||
}
|
||
|
||
function getSelectorPath(element: HTMLElement | null): string {
|
||
const path: string[] = [];
|
||
let depth = 0;
|
||
const maxDepth = 2;
|
||
|
||
while (element && element !== document.body && depth < maxDepth) {
|
||
const selector = getNonUniqueSelector(element);
|
||
path.unshift(selector);
|
||
element = element.parentElement;
|
||
depth++;
|
||
}
|
||
|
||
return path.join(' > ');
|
||
}
|
||
|
||
const originalEl = document.elementFromPoint(x, y) as HTMLElement;
|
||
if (!originalEl) return null;
|
||
|
||
let element = originalEl;
|
||
|
||
const generalSelector = getSelectorPath(element);
|
||
return {
|
||
generalSelector,
|
||
};
|
||
}, coordinates);
|
||
return selectors || { generalSelector: '' };
|
||
}
|
||
|
||
} catch (error) {
|
||
console.error('Error in getNonUniqueSelectors:', error);
|
||
return { generalSelector: '' };
|
||
}
|
||
};
|
||
|
||
export const getChildSelectors = async (page: Page, parentSelector: string): Promise<string[]> => {
|
||
try {
|
||
const childSelectors = await page.evaluate((parentSelector: string) => {
|
||
// Function to get a non-unique selector based on tag and class (if present)
|
||
function getNonUniqueSelector(element: HTMLElement): string {
|
||
let selector = element.tagName.toLowerCase();
|
||
|
||
const className = typeof element.className === 'string' ? element.className : '';
|
||
if (className) {
|
||
const classes = className.split(/\s+/).filter((cls: string) => Boolean(cls));
|
||
if (classes.length > 0) {
|
||
const validClasses = classes.filter((cls: string) => !cls.startsWith('!') && !cls.includes(':'));
|
||
if (validClasses.length > 0) {
|
||
selector += '.' + validClasses.map(cls => CSS.escape(cls)).join('.');
|
||
}
|
||
}
|
||
}
|
||
|
||
return selector;
|
||
}
|
||
|
||
// Function to generate selector path from an element to its parent
|
||
function getSelectorPath(element: HTMLElement | null): string {
|
||
if (!element || !element.parentElement) return '';
|
||
|
||
const parentSelector = getNonUniqueSelector(element.parentElement);
|
||
const elementSelector = getNonUniqueSelector(element);
|
||
|
||
return `${parentSelector} > ${elementSelector}`;
|
||
}
|
||
|
||
// Function to recursively get all descendant selectors
|
||
function getAllDescendantSelectors(element: HTMLElement): string[] {
|
||
let selectors: string[] = [];
|
||
const children = Array.from(element.children) as HTMLElement[];
|
||
|
||
for (const child of children) {
|
||
const childPath = getSelectorPath(child);
|
||
if (childPath) {
|
||
selectors.push(childPath); // Add direct child path
|
||
selectors.push(parentSelector)
|
||
selectors = selectors.concat(getAllDescendantSelectors(child)); // Recursively process descendants
|
||
}
|
||
}
|
||
|
||
return selectors;
|
||
}
|
||
|
||
// Find all occurrences of the parent selector in the DOM
|
||
const parentElements = Array.from(document.querySelectorAll(parentSelector)) as HTMLElement[];
|
||
const allChildSelectors = new Set<string>(); // Use a set to ensure uniqueness
|
||
|
||
// Process each parent element and its descendants
|
||
parentElements.forEach((parentElement) => {
|
||
const descendantSelectors = getAllDescendantSelectors(parentElement);
|
||
descendantSelectors.forEach((selector) => allChildSelectors.add(selector)); // Add selectors to the set
|
||
});
|
||
|
||
return Array.from(allChildSelectors); // Convert the set back to an array
|
||
}, parentSelector);
|
||
|
||
return childSelectors || [];
|
||
} catch (error) {
|
||
console.error('Error in getChildSelectors:', error);
|
||
return [];
|
||
}
|
||
};
|
||
|
||
|
||
/**
|
||
* Returns the first pair from the given workflow that contains the given selector
|
||
* inside the where condition, and it is the only selector there.
|
||
* If a match is not found, returns undefined.
|
||
* @param selector The selector to find.
|
||
* @param workflow The workflow to search in.
|
||
* @category WorkflowManagement
|
||
* @returns {Promise<WhereWhatPair|undefined>}
|
||
*/
|
||
export const selectorAlreadyInWorkflow = (selector: string, workflow: Workflow) => {
|
||
return workflow.find((pair: WhereWhatPair) => {
|
||
if (pair.where.selectors?.includes(selector)) {
|
||
if (pair.where.selectors?.length === 1) {
|
||
return pair;
|
||
}
|
||
}
|
||
});
|
||
};
|
||
|
||
/**
|
||
* Checks whether the given selectors are visible on the page at the same time.
|
||
* @param selectors The selectors to check.
|
||
* @param page The page to use for the validation.
|
||
* @category WorkflowManagement
|
||
*/
|
||
export const isRuleOvershadowing = async (selectors: string[], page: Page): Promise<boolean> => {
|
||
for (const selector of selectors) {
|
||
const areElsVisible = await page.$$eval(selector,
|
||
(elems) => {
|
||
const isVisible = (elem: HTMLElement | SVGElement) => {
|
||
if (elem instanceof HTMLElement) {
|
||
return !!(elem.offsetWidth
|
||
|| elem.offsetHeight
|
||
|| elem.getClientRects().length
|
||
&& window.getComputedStyle(elem).visibility !== "hidden");
|
||
} else {
|
||
return !!(elem.getClientRects().length
|
||
&& window.getComputedStyle(elem).visibility !== "hidden");
|
||
}
|
||
};
|
||
|
||
const visibility: boolean[] = [];
|
||
elems.forEach((el) => visibility.push(isVisible(el)))
|
||
return visibility;
|
||
})
|
||
if (areElsVisible.length === 0) {
|
||
return false
|
||
}
|
||
|
||
if (areElsVisible.includes(false)) {
|
||
return false;
|
||
}
|
||
}
|
||
return true;
|
||
} |