puppeteer-shadow-selector/lib/index.js

Select elements in Shadow DOM

"use strict";
exports.__esModule = true;
exports.$ = void 0;
var logical_not_1 = require("logical-not");
var selector_1 = require("./selector");
function $(page, selector) {
    var parsedSelector = selector_1.parse(selector);
    if (logical_not_1.not(parsedSelector))
        return page.$(selector);
    return page.waitForSelector(parsedSelector.mainSelector).then(function () {
        return page
            .evaluateHandle(function (selectorSource) {
            return query(JSON.parse(selectorSource), document);
            function query(selector, context) {
                var _a;
                var shadowRoot = (_a = context.querySelector(selector.mainSelector)) === null || _a === void 0 ? void 0 : _a.shadowRoot;
                if (!shadowRoot)
                    return null;
                if (typeof selector.shadowDOMSelector === "string")
                    return shadowRoot.querySelector(selector.shadowDOMSelector);
                else
                    return query(selector.shadowDOMSelector, shadowRoot);
            }
        }, JSON.stringify(parsedSelector))
            .then(function (source) { return source.asElement(); });
    });
}
exports.$ = $;