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xpath-to-selector

v1.1.3

Published

convert xpath to css selector

Downloads

501

Readme

xpath-to-selector

CI

convert xpath to css selector

install

npm install --save-dev xpath-to-selector

usage

import xPath2Selector from "xpath-to-selector";

const xPath =
  '//div[@id="foo"][2]/span[@class="bar"]//a[contains(@class, "baz")]//img[1]';
const css = xPath2Selector(xPath);
console.log(css); // => 'div#foo:nth-child(2) > span.bar a[class*=baz] img:nth-child(1)'

why

In my one of my previous job I was working on a product that is similar to Cypress / Selenium. The product should allow the user to use either xpath or css selector, so I wrote a simple JavaScript convertor from xpath to css selector. This is an upgraded version of what I have at that time and it's rewritten in TypeScript.

The community already have xpath-to-css. But I think it would be nice to let others see my implementation if they don't like the Python and regexp based parser for xpath.

By using a recursive parser, it allows you to parser something that is very difficult to match in Regex, for example:

import xPath2Selector from "xpath-to-selector";

const xPath =
  '/html/body/form/input[@id="id_username" and position()=2]';
const css = xPath2Selector(xPath);
console.log(css); // => 'html > body > form > input#id_username:nth-child(2)'

license

MIT