Files
parcer/server/src/workflow-management/selector.ts
2024-06-05 06:32:45 +05:30

55 lines
1.7 KiB
TypeScript

import { Page } from "playwright";
import { Action, ActionType, Coordinates, TagName } from "../types";
import { WhereWhatPair, WorkflowFile } from "@wbr-project/wbr-interpret";
import logger from "../logger";
import { getBestSelectorForAction } from "./utils";
/**
* Returns a {@link Rectangle} object representing
* the coordinates, width, height and corner points of the element.
* If an element is not found, returns null.
* @param page The page instance.
* @param coordinates Coordinates of an element.
* @category WorkflowManagement-Selectors
* @returns {Promise<Rectangle|undefined|null>}
*/
export const getRect = async (page: Page, coordinates: Coordinates) => {
try {
const rect = await page.evaluate(
async ({ x, y }) => {
const el = document.elementFromPoint(x, y) as HTMLElement;
if (el) {
const { parentElement } = el;
// Match the logic in recorder.ts for link clicks
const element = parentElement?.tagName === 'A' ? parentElement : el;
const rectangle = element?.getBoundingClientRect();
// @ts-ignore
if (rectangle) {
return {
x: rectangle.x,
y: rectangle.y,
width: rectangle.width,
height: rectangle.height,
top: rectangle.top,
right: rectangle.right,
bottom: rectangle.bottom,
left: rectangle.left,
};
}
}},
{ x: coordinates.x, y: coordinates.y },
);
return rect;
} catch (error) {
const { message, stack } = error as Error;
logger.log('error', `Error while retrieving selector: ${message}`);
logger.log('error', `Stack: ${stack}`);
}
}