puppeteer-core
Version:
A high-level API to control headless Chrome over the DevTools Protocol
73 lines • 2.93 kB
JavaScript
;
/**
* @license
* Copyright 2023 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getQueryHandlerAndSelector = getQueryHandlerAndSelector;
const AriaQueryHandler_js_1 = require("../cdp/AriaQueryHandler.js");
const CSSQueryHandler_js_1 = require("./CSSQueryHandler.js");
const CustomQueryHandler_js_1 = require("./CustomQueryHandler.js");
const PierceQueryHandler_js_1 = require("./PierceQueryHandler.js");
const PQueryHandler_js_1 = require("./PQueryHandler.js");
const PSelectorParser_js_1 = require("./PSelectorParser.js");
const TextQueryHandler_js_1 = require("./TextQueryHandler.js");
const XPathQueryHandler_js_1 = require("./XPathQueryHandler.js");
const BUILTIN_QUERY_HANDLERS = {
aria: AriaQueryHandler_js_1.ARIAQueryHandler,
pierce: PierceQueryHandler_js_1.PierceQueryHandler,
xpath: XPathQueryHandler_js_1.XPathQueryHandler,
text: TextQueryHandler_js_1.TextQueryHandler,
};
const QUERY_SEPARATORS = ['=', '/'];
/**
* @internal
*/
function getQueryHandlerAndSelector(selector) {
for (const handlerMap of [
CustomQueryHandler_js_1.customQueryHandlers.names().map(name => {
return [name, CustomQueryHandler_js_1.customQueryHandlers.get(name)];
}),
Object.entries(BUILTIN_QUERY_HANDLERS),
]) {
for (const [name, QueryHandler] of handlerMap) {
for (const separator of QUERY_SEPARATORS) {
const prefix = `${name}${separator}`;
if (selector.startsWith(prefix)) {
selector = selector.slice(prefix.length);
return {
updatedSelector: selector,
polling: name === 'aria' ? "raf" /* PollingOptions.RAF */ : "mutation" /* PollingOptions.MUTATION */,
QueryHandler,
};
}
}
}
}
try {
const [pSelector, isPureCSS, hasPseudoClasses, hasAria] = (0, PSelectorParser_js_1.parsePSelectors)(selector);
if (isPureCSS) {
return {
updatedSelector: selector,
polling: hasPseudoClasses
? "raf" /* PollingOptions.RAF */
: "mutation" /* PollingOptions.MUTATION */,
QueryHandler: CSSQueryHandler_js_1.CSSQueryHandler,
};
}
return {
updatedSelector: JSON.stringify(pSelector),
polling: hasAria ? "raf" /* PollingOptions.RAF */ : "mutation" /* PollingOptions.MUTATION */,
QueryHandler: PQueryHandler_js_1.PQueryHandler,
};
}
catch {
return {
updatedSelector: selector,
polling: "mutation" /* PollingOptions.MUTATION */,
QueryHandler: CSSQueryHandler_js_1.CSSQueryHandler,
};
}
}
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