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"use strict";
/**
* Copyright 2020 Google Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.getQueryHandlerAndSelector = exports.clearCustomQueryHandlers = exports.customQueryHandlerNames = exports.unregisterCustomQueryHandler = exports.registerCustomQueryHandler = void 0;
const AriaQueryHandler_js_1 = require("./AriaQueryHandler.js");
function makeQueryHandler(handler) {
const internalHandler = {};
if (handler.queryOne) {
internalHandler.queryOne = async (element, selector) => {
const jsHandle = await element.evaluateHandle(handler.queryOne, selector);
const elementHandle = jsHandle.asElement();
if (elementHandle)
return elementHandle;
await jsHandle.dispose();
return null;
};
internalHandler.waitFor = (domWorld, selector, options) => domWorld.waitForSelectorInPage(handler.queryOne, selector, options);
}
if (handler.queryAll) {
internalHandler.queryAll = async (element, selector) => {
const jsHandle = await element.evaluateHandle(handler.queryAll, selector);
const properties = await jsHandle.getProperties();
await jsHandle.dispose();
const result = [];
for (const property of properties.values()) {
const elementHandle = property.asElement();
if (elementHandle)
result.push(elementHandle);
}
return result;
};
internalHandler.queryAllArray = async (element, selector) => {
const resultHandle = await element.evaluateHandle(handler.queryAll, selector);
const arrayHandle = await resultHandle.evaluateHandle((res) => Array.from(res));
return arrayHandle;
};
}
return internalHandler;
}
const _defaultHandler = makeQueryHandler({
queryOne: (element, selector) => element.querySelector(selector),
queryAll: (element, selector) => element.querySelectorAll(selector),
});
const pierceHandler = makeQueryHandler({
queryOne: (element, selector) => {
let found = null;
const search = (root) => {
const iter = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT);
do {
const currentNode = iter.currentNode;
if (currentNode.shadowRoot) {
search(currentNode.shadowRoot);
}
if (currentNode instanceof ShadowRoot) {
continue;
}
if (!found && currentNode.matches(selector)) {
found = currentNode;
}
} while (!found && iter.nextNode());
};
if (element instanceof Document) {
element = element.documentElement;
}
search(element);
return found;
},
queryAll: (element, selector) => {
const result = [];
const collect = (root) => {
const iter = document.createTreeWalker(root, NodeFilter.SHOW_ELEMENT);
do {
const currentNode = iter.currentNode;
if (currentNode.shadowRoot) {
collect(currentNode.shadowRoot);
}
if (currentNode instanceof ShadowRoot) {
continue;
}
if (currentNode.matches(selector)) {
result.push(currentNode);
}
} while (iter.nextNode());
};
if (element instanceof Document) {
element = element.documentElement;
}
collect(element);
return result;
},
});
const _builtInHandlers = new Map([
['aria', AriaQueryHandler_js_1.ariaHandler],
['pierce', pierceHandler],
]);
const _queryHandlers = new Map(_builtInHandlers);
/**
* @internal
*/
function registerCustomQueryHandler(name, handler) {
if (_queryHandlers.get(name))
throw new Error(`A custom query handler named "${name}" already exists`);
const isValidName = /^[a-zA-Z]+$/.test(name);
if (!isValidName)
throw new Error(`Custom query handler names may only contain [a-zA-Z]`);
const internalHandler = makeQueryHandler(handler);
_queryHandlers.set(name, internalHandler);
}
exports.registerCustomQueryHandler = registerCustomQueryHandler;
/**
* @internal
*/
function unregisterCustomQueryHandler(name) {
if (_queryHandlers.has(name) && !_builtInHandlers.has(name)) {
_queryHandlers.delete(name);
}
}
exports.unregisterCustomQueryHandler = unregisterCustomQueryHandler;
/**
* @internal
*/
function customQueryHandlerNames() {
return [..._queryHandlers.keys()].filter((name) => !_builtInHandlers.has(name));
}
exports.customQueryHandlerNames = customQueryHandlerNames;
/**
* @internal
*/
function clearCustomQueryHandlers() {
customQueryHandlerNames().forEach(unregisterCustomQueryHandler);
}
exports.clearCustomQueryHandlers = clearCustomQueryHandlers;
/**
* @internal
*/
function getQueryHandlerAndSelector(selector) {
const hasCustomQueryHandler = /^[a-zA-Z]+\//.test(selector);
if (!hasCustomQueryHandler)
return { updatedSelector: selector, queryHandler: _defaultHandler };
const index = selector.indexOf('/');
const name = selector.slice(0, index);
const updatedSelector = selector.slice(index + 1);
const queryHandler = _queryHandlers.get(name);
if (!queryHandler)
throw new Error(`Query set to use "${name}", but no query handler of that name was found`);
return {
updatedSelector,
queryHandler,
};
}
exports.getQueryHandlerAndSelector = getQueryHandlerAndSelector;