mirror of
https://github.com/puppeteer/puppeteer
synced 2024-06-14 14:02:48 +00:00
refactor: migrate to iterator-based query handlers (#9676)
This commit is contained in:
jrandolf
GitHub
parent
023c2dcdbc
commit
56f99f7b10
@ -144,6 +144,7 @@ sidebar_label: API
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| ------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
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| [ActionResult](./puppeteer.actionresult.md) | |
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| [Awaitable](./puppeteer.awaitable.md) | |
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| [AwaitableIterable](./puppeteer.awaitableiterable.md) | |
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| [ChromeReleaseChannel](./puppeteer.chromereleasechannel.md) | |
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| [ConsoleMessageType](./puppeteer.consolemessagetype.md) | The supported types for console messages. |
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| [ElementFor](./puppeteer.elementfor.md) | |
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11
docs/api/puppeteer.awaitableiterable.md
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11
docs/api/puppeteer.awaitableiterable.md
Normal file
@ -0,0 +1,11 @@
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---
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sidebar_label: AwaitableIterable
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---
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# AwaitableIterable type
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#### Signature:
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```typescript
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export type AwaitableIterable<T> = Iterable<T> | AsyncIterable<T>;
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```
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@ -12,7 +12,7 @@ export interface CustomQueryHandler
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## Properties
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| Property | Modifiers | Type | Description | Default |
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| ------------------------------------------------------- | --------- | ------------------------------------------------- | ----------------- | ------- |
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| [queryAll?](./puppeteer.customqueryhandler.queryall.md) | | (node: Node, selector: string) => Node\[\] | <i>(Optional)</i> | |
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| [queryOne?](./puppeteer.customqueryhandler.queryone.md) | | (node: Node, selector: string) => Node \| null | <i>(Optional)</i> | |
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| Property | Modifiers | Type | Description | Default |
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| ------------------------------------------------------- | --------- | --------------------------------------------------------- | ----------------- | ------- |
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| [queryAll?](./puppeteer.customqueryhandler.queryall.md) | | (node: Node, selector: string) => Iterable<Node> | <i>(Optional)</i> | |
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| [queryOne?](./puppeteer.customqueryhandler.queryone.md) | | (node: Node, selector: string) => Node \| null | <i>(Optional)</i> | |
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@ -8,6 +8,6 @@ sidebar_label: CustomQueryHandler.queryAll
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```typescript
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interface CustomQueryHandler {
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queryAll?: (node: Node, selector: string) => Node[];
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queryAll?: (node: Node, selector: string) => Iterable<Node>;
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}
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```
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@ -16,46 +16,43 @@
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import {Protocol} from 'devtools-protocol';
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import {ElementHandle} from '../api/ElementHandle.js';
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import {assert} from '../util/assert.js';
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import {CDPSession} from './Connection.js';
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import {MAIN_WORLD, PUPPETEER_WORLD} from './IsolatedWorlds.js';
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import type {ElementHandle} from '../api/ElementHandle.js';
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import type {PuppeteerQueryHandler} from './QueryHandler.js';
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import type {Frame} from './Frame.js';
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import type {WaitForSelectorOptions} from './IsolatedWorld.js';
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import {IterableUtil} from './IterableUtil.js';
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import {QueryHandler, QuerySelector} from './QueryHandler.js';
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import {AwaitableIterable} from './types.js';
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async function queryAXTree(
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const queryAXTree = async (
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client: CDPSession,
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element: ElementHandle<Node>,
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accessibleName?: string,
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role?: string
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): Promise<Protocol.Accessibility.AXNode[]> {
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): Promise<Protocol.Accessibility.AXNode[]> => {
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const {nodes} = await client.send('Accessibility.queryAXTree', {
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objectId: element.remoteObject().objectId,
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accessibleName,
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role,
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});
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const filteredNodes: Protocol.Accessibility.AXNode[] = nodes.filter(
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(node: Protocol.Accessibility.AXNode) => {
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return !node.role || node.role.value !== 'StaticText';
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}
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);
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return filteredNodes;
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}
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return nodes.filter((node: Protocol.Accessibility.AXNode) => {
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return !node.role || node.role.value !== 'StaticText';
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});
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};
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type ARIASelector = {name?: string; role?: string};
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const KNOWN_ATTRIBUTES = Object.freeze(['name', 'role']);
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const isKnownAttribute = (
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attribute: string
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): attribute is keyof ARIASelector => {
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return KNOWN_ATTRIBUTES.includes(attribute);
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};
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const normalizeValue = (value: string): string => {
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return value.replace(/ +/g, ' ').trim();
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};
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const knownAttributes = new Set(['name', 'role']);
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const attributeRegexp =
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/\[\s*(?<attribute>\w+)\s*=\s*(?<quote>"|')(?<value>\\.|.*?(?=\k<quote>))\k<quote>\s*\]/g;
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type ARIAQueryOption = {name?: string; role?: string};
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function isKnownAttribute(
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attribute: string
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): attribute is keyof ARIAQueryOption {
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return knownAttributes.has(attribute);
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}
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/**
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* The selectors consist of an accessible name to query for and optionally
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@ -68,11 +65,13 @@ function isKnownAttribute(
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* - 'label' queries for elements with name 'label' and any role.
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* - '[name=""][role="button"]' queries for elements with no name and role 'button'.
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*/
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function parseAriaSelector(selector: string): ARIAQueryOption {
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const queryOptions: ARIAQueryOption = {};
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const ATTRIBUTE_REGEXP =
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/\[\s*(?<attribute>\w+)\s*=\s*(?<quote>"|')(?<value>\\.|.*?(?=\k<quote>))\k<quote>\s*\]/g;
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const parseARIASelector = (selector: string): ARIASelector => {
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const queryOptions: ARIASelector = {};
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const defaultName = selector.replace(
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attributeRegexp,
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(_, attribute: string, _quote: string, value: string) => {
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ATTRIBUTE_REGEXP,
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(_, attribute, __, value) => {
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attribute = attribute.trim();
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assert(
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isKnownAttribute(attribute),
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@ -86,104 +85,56 @@ function parseAriaSelector(selector: string): ARIAQueryOption {
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queryOptions.name = normalizeValue(defaultName);
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}
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return queryOptions;
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}
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const queryOneId = async (element: ElementHandle<Node>, selector: string) => {
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const {name, role} = parseAriaSelector(selector);
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const res = await queryAXTree(element.client, element, name, role);
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if (!res[0] || !res[0].backendDOMNodeId) {
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return null;
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}
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return res[0].backendDOMNodeId;
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};
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const queryOne: PuppeteerQueryHandler['queryOne'] = async (
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element,
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selector
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) => {
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const id = await queryOneId(element, selector);
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if (!id) {
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return null;
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}
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return (await element.frame.worlds[MAIN_WORLD].adoptBackendNode(
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id
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)) as ElementHandle<Node>;
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};
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const waitFor: PuppeteerQueryHandler['waitFor'] = async (
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elementOrFrame,
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selector,
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options
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) => {
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let frame: Frame;
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let element: ElementHandle<Node> | undefined;
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if ('isOOPFrame' in elementOrFrame) {
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frame = elementOrFrame;
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} else {
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frame = elementOrFrame.frame;
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element = await frame.worlds[PUPPETEER_WORLD].adoptHandle(elementOrFrame);
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}
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const ariaQuerySelector = async (selector: string) => {
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const id = await queryOneId(
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element || (await frame.worlds[PUPPETEER_WORLD].document()),
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selector
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);
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if (!id) {
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return null;
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}
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return (await frame.worlds[PUPPETEER_WORLD].adoptBackendNode(
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id
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)) as ElementHandle<Node>;
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};
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const result = await frame.worlds[PUPPETEER_WORLD]._waitForSelectorInPage(
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(_: Element, selector: string) => {
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return (
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globalThis as unknown as {
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ariaQuerySelector(selector: string): Node | null;
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}
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).ariaQuerySelector(selector);
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},
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element,
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selector,
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options,
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new Map([['ariaQuerySelector', ariaQuerySelector]])
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);
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if (element) {
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await element.dispose();
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}
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const handle = result?.asElement();
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if (!handle) {
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await result?.dispose();
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return null;
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}
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return handle.frame.worlds[MAIN_WORLD].transferHandle(handle);
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};
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const queryAll: PuppeteerQueryHandler['queryAll'] = async (
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element,
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selector
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) => {
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const exeCtx = element.executionContext();
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const {name, role} = parseAriaSelector(selector);
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const res = await queryAXTree(exeCtx._client, element, name, role);
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const world = exeCtx._world!;
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return Promise.all(
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res.map(axNode => {
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return world.adoptBackendNode(axNode.backendDOMNodeId) as Promise<
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ElementHandle<Node>
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>;
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})
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);
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};
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/**
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* @internal
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*/
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export const ariaHandler: PuppeteerQueryHandler = {
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queryOne,
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waitFor,
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queryAll,
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};
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export interface ARIAQuerySelectorContext {
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__ariaQuerySelector(node: Node, selector: string): Promise<Node | null>;
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}
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/**
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* @internal
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*/
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export class ARIAQueryHandler extends QueryHandler {
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static override querySelector: QuerySelector = async (node, selector) => {
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const context = globalThis as unknown as ARIAQuerySelectorContext;
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return context.__ariaQuerySelector(node, selector);
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};
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static override async *queryAll(
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element: ElementHandle<Node>,
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selector: string
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): AwaitableIterable<ElementHandle<Node>> {
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const context = element.executionContext();
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const {name, role} = parseARIASelector(selector);
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const results = await queryAXTree(context._client, element, name, role);
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const world = context._world!;
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yield* IterableUtil.map(results, node => {
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return world.adoptBackendNode(node.backendDOMNodeId) as Promise<
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ElementHandle<Node>
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>;
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});
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}
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static override queryOne = async (
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element: ElementHandle<Node>,
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selector: string
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): Promise<ElementHandle<Node> | null> => {
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return (await IterableUtil.first(this.queryAll(element, selector))) ?? null;
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};
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static override async waitFor(
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elementOrFrame: ElementHandle<Node> | Frame,
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selector: string,
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options: WaitForSelectorOptions
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): Promise<ElementHandle<Node> | null> {
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return super.waitFor(
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elementOrFrame,
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selector,
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options,
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new Map([['__ariaQuerySelector', this.queryOne]])
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);
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}
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}
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29
packages/puppeteer-core/src/common/CSSQueryHandler.ts
Normal file
29
packages/puppeteer-core/src/common/CSSQueryHandler.ts
Normal file
@ -0,0 +1,29 @@
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/**
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* Copyright 2023 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {QueryHandler, QuerySelector, QuerySelectorAll} from './QueryHandler.js';
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/**
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* @internal
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*/
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export class CSSQueryHandler extends QueryHandler {
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static override querySelector: QuerySelector = (element, selector) => {
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return (element as Element).querySelector(selector);
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};
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static override querySelectorAll: QuerySelectorAll = (element, selector) => {
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return (element as Element).querySelectorAll(selector);
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};
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}
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95
packages/puppeteer-core/src/common/CustomQueryHandler.ts
Normal file
95
packages/puppeteer-core/src/common/CustomQueryHandler.ts
Normal file
@ -0,0 +1,95 @@
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/**
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* Copyright 2023 Google Inc. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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import {QueryHandler} from './QueryHandler.js';
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import {getQueryHandlerByName} from './GetQueryHandler.js';
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/**
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* @internal
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*/
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export const customQueryHandlers = new Map<string, typeof QueryHandler>();
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/**
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* @public
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*/
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export interface CustomQueryHandler {
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/**
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* @returns A {@link Node} matching the given `selector` from {@link node}.
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*/
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queryOne?: (node: Node, selector: string) => Node | null;
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/**
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* @returns Some {@link Node}s matching the given `selector` from {@link node}.
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*/
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queryAll?: (node: Node, selector: string) => Iterable<Node>;
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}
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/**
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* @deprecated Import {@link Puppeteer} and use the static method
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* {@link Puppeteer.registerCustomQueryHandler}
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*
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* @public
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*/
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export function registerCustomQueryHandler(
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name: string,
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handler: CustomQueryHandler
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): void {
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if (getQueryHandlerByName(name)) {
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throw new Error(`A query handler named "${name}" already exists`);
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}
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const isValidName = /^[a-zA-Z]+$/.test(name);
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if (!isValidName) {
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throw new Error(`Custom query handler names may only contain [a-zA-Z]`);
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}
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customQueryHandlers.set(
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name,
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class extends QueryHandler {
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static override querySelector = handler.queryOne;
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static override querySelectorAll = handler.queryAll;
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}
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);
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}
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/**
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* @deprecated Import {@link Puppeteer} and use the static method
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* {@link Puppeteer.unregisterCustomQueryHandler}
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*
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* @public
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*/
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export function unregisterCustomQueryHandler(name: string): void {
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customQueryHandlers.delete(name);
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}
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/**
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* @deprecated Import {@link Puppeteer} and use the static method
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* {@link Puppeteer.customQueryHandlerNames}
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*
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* @public
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*/
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export function customQueryHandlerNames(): string[] {
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return [...customQueryHandlers.keys()];
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}
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|
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/**
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* @deprecated Import {@link Puppeteer} and use the static method
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* {@link Puppeteer.clearCustomQueryHandlers}
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*
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* @public
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*/
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export function clearCustomQueryHandlers(): void {
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customQueryHandlers.clear();
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}
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@ -31,9 +31,10 @@ import {CDPSession} from './Connection.js';
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import {ExecutionContext} from './ExecutionContext.js';
|
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import {Frame} from './Frame.js';
|
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import {FrameManager} from './FrameManager.js';
|
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import {getQueryHandlerAndSelector} from './GetQueryHandler.js';
|
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import {WaitForSelectorOptions} from './IsolatedWorld.js';
|
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import {IterableUtil} from './IterableUtil.js';
|
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import {CDPPage} from './Page.js';
|
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import {getQueryHandlerAndSelector} from './QueryHandler.js';
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import {
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ElementFor,
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EvaluateFuncWith,
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@ -183,10 +184,6 @@ export class CDPElementHandle<
|
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): Promise<CDPElementHandle<NodeFor<Selector>> | null> {
|
||||
const {updatedSelector, queryHandler} =
|
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getQueryHandlerAndSelector(selector);
|
||||
assert(
|
||||
queryHandler.queryOne,
|
||||
'Cannot handle queries for a single element with the given selector'
|
||||
);
|
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return (await queryHandler.queryOne(
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this,
|
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updatedSelector
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@ -198,13 +195,9 @@ export class CDPElementHandle<
|
||||
): Promise<Array<CDPElementHandle<NodeFor<Selector>>>> {
|
||||
const {updatedSelector, queryHandler} =
|
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getQueryHandlerAndSelector(selector);
|
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assert(
|
||||
queryHandler.queryAll,
|
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'Cannot handle queries for a multiple element with the given selector'
|
||||
);
|
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return (await queryHandler.queryAll(this, updatedSelector)) as Array<
|
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CDPElementHandle<NodeFor<Selector>>
|
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>;
|
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return IterableUtil.collect(
|
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queryHandler.queryAll(this, updatedSelector)
|
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) as Promise<Array<CDPElementHandle<NodeFor<Selector>>>>;
|
||||
}
|
||||
|
||||
override async $eval<
|
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@ -242,23 +235,14 @@ export class CDPElementHandle<
|
||||
pageFunction: Func | string,
|
||||
...args: Params
|
||||
): Promise<Awaited<ReturnType<Func>>> {
|
||||
const {updatedSelector, queryHandler} =
|
||||
getQueryHandlerAndSelector(selector);
|
||||
assert(
|
||||
queryHandler.queryAll,
|
||||
'Cannot handle queries for a multiple element with the given selector'
|
||||
);
|
||||
const handles = (await queryHandler.queryAll(
|
||||
this,
|
||||
updatedSelector
|
||||
)) as Array<HandleFor<NodeFor<Selector>>>;
|
||||
const elements = (await this.evaluateHandle((_, ...elements) => {
|
||||
const results = await this.$$(selector);
|
||||
const elements = await this.evaluateHandle((_, ...elements) => {
|
||||
return elements;
|
||||
}, ...handles)) as JSHandle<Array<NodeFor<Selector>>>;
|
||||
}, ...results);
|
||||
const [result] = await Promise.all([
|
||||
elements.evaluate(pageFunction, ...args),
|
||||
...handles.map(handle => {
|
||||
return handle.dispose();
|
||||
...results.map(results => {
|
||||
return results.dispose();
|
||||
}),
|
||||
]);
|
||||
await elements.dispose();
|
||||
@ -280,7 +264,6 @@ export class CDPElementHandle<
|
||||
): Promise<CDPElementHandle<NodeFor<Selector>> | null> {
|
||||
const {updatedSelector, queryHandler} =
|
||||
getQueryHandlerAndSelector(selector);
|
||||
assert(queryHandler.waitFor, 'Query handler does not support waiting');
|
||||
return (await queryHandler.waitFor(
|
||||
this,
|
||||
updatedSelector,
|
||||
|
||||
@ -17,11 +17,11 @@
|
||||
import {Protocol} from 'devtools-protocol';
|
||||
import {ElementHandle} from '../api/ElementHandle.js';
|
||||
import {Page} from '../api/Page.js';
|
||||
import {assert} from '../util/assert.js';
|
||||
import {isErrorLike} from '../util/ErrorLike.js';
|
||||
import {CDPSession} from './Connection.js';
|
||||
import {ExecutionContext} from './ExecutionContext.js';
|
||||
import {FrameManager} from './FrameManager.js';
|
||||
import {getQueryHandlerAndSelector} from './GetQueryHandler.js';
|
||||
import {HTTPResponse} from './HTTPResponse.js';
|
||||
import {MouseButton} from './Input.js';
|
||||
import {
|
||||
@ -32,7 +32,6 @@ import {
|
||||
import {MAIN_WORLD, PUPPETEER_WORLD} from './IsolatedWorlds.js';
|
||||
import {LazyArg} from './LazyArg.js';
|
||||
import {LifecycleWatcher, PuppeteerLifeCycleEvent} from './LifecycleWatcher.js';
|
||||
import {getQueryHandlerAndSelector} from './QueryHandler.js';
|
||||
import {EvaluateFunc, EvaluateFuncWith, HandleFor, NodeFor} from './types.js';
|
||||
import {importFS} from './util.js';
|
||||
|
||||
@ -620,7 +619,6 @@ export class Frame {
|
||||
): Promise<ElementHandle<NodeFor<Selector>> | null> {
|
||||
const {updatedSelector, queryHandler} =
|
||||
getQueryHandlerAndSelector(selector);
|
||||
assert(queryHandler.waitFor, 'Query handler does not support waiting');
|
||||
return (await queryHandler.waitFor(
|
||||
this,
|
||||
updatedSelector,
|
||||
|
||||
68
packages/puppeteer-core/src/common/GetQueryHandler.ts
Normal file
68
packages/puppeteer-core/src/common/GetQueryHandler.ts
Normal file
@ -0,0 +1,68 @@
|
||||
/**
|
||||
* Copyright 2023 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.
|
||||
*/
|
||||
|
||||
import {ARIAQueryHandler} from './AriaQueryHandler.js';
|
||||
import {PierceQueryHandler} from './PierceQueryHandler.js';
|
||||
import {XPathQueryHandler} from './XPathQueryHandler.js';
|
||||
import {TextQueryHandler} from './TextQueryHandler.js';
|
||||
import {CSSQueryHandler} from './CSSQueryHandler.js';
|
||||
import {customQueryHandlers} from './CustomQueryHandler.js';
|
||||
import type {QueryHandler} from './QueryHandler.js';
|
||||
|
||||
export const BUILTIN_QUERY_HANDLERS = Object.freeze({
|
||||
aria: ARIAQueryHandler,
|
||||
pierce: PierceQueryHandler,
|
||||
xpath: XPathQueryHandler,
|
||||
text: TextQueryHandler,
|
||||
});
|
||||
|
||||
const QUERY_SEPARATORS = ['=', '/'];
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export function getQueryHandlerByName(
|
||||
name: string
|
||||
): typeof QueryHandler | undefined {
|
||||
if (name in BUILTIN_QUERY_HANDLERS) {
|
||||
return BUILTIN_QUERY_HANDLERS[name as 'aria'];
|
||||
}
|
||||
return customQueryHandlers.get(name);
|
||||
}
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export function getQueryHandlerAndSelector(selector: string): {
|
||||
updatedSelector: string;
|
||||
queryHandler: typeof QueryHandler;
|
||||
} {
|
||||
for (const handlerMap of [
|
||||
customQueryHandlers,
|
||||
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, queryHandler};
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return {updatedSelector: selector, queryHandler: CSSQueryHandler};
|
||||
}
|
||||
80
packages/puppeteer-core/src/common/HandleIterator.ts
Normal file
80
packages/puppeteer-core/src/common/HandleIterator.ts
Normal file
@ -0,0 +1,80 @@
|
||||
/**
|
||||
* Copyright 2023 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.
|
||||
*/
|
||||
|
||||
import {JSHandle} from '../api/JSHandle.js';
|
||||
import {AwaitableIterable, HandleFor} from './types.js';
|
||||
|
||||
const DEFAULT_BATCH_SIZE = 20;
|
||||
|
||||
/**
|
||||
* This will transpose an iterator JSHandle into a fast, Puppeteer-side iterator
|
||||
* of JSHandles.
|
||||
*
|
||||
* @param size - The number of elements to transpose. This should be something
|
||||
* reasonable.
|
||||
*/
|
||||
async function* fastTransposeIteratorHandle<T>(
|
||||
iterator: JSHandle<AwaitableIterator<T>>,
|
||||
size = DEFAULT_BATCH_SIZE
|
||||
) {
|
||||
const array = await iterator.evaluateHandle(async (iterator, size) => {
|
||||
const results = [];
|
||||
while (results.length < size) {
|
||||
const result = await iterator.next();
|
||||
if (result.done) {
|
||||
break;
|
||||
}
|
||||
results.push(result.value);
|
||||
}
|
||||
return results;
|
||||
}, size);
|
||||
const properties = (await array.getProperties()) as Map<string, HandleFor<T>>;
|
||||
await array.dispose();
|
||||
yield* properties.values();
|
||||
return properties.size === 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* This will transpose an iterator JSHandle in batches based on the default size
|
||||
* of {@link fastTransposeIteratorHandle}.
|
||||
*/
|
||||
|
||||
async function* transposeIteratorHandle<T>(
|
||||
iterator: JSHandle<AwaitableIterator<T>>
|
||||
) {
|
||||
try {
|
||||
while (!(yield* fastTransposeIteratorHandle(iterator))) {}
|
||||
} finally {
|
||||
await iterator.dispose();
|
||||
}
|
||||
}
|
||||
|
||||
type AwaitableIterator<T> = Iterator<T> | AsyncIterator<T>;
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export async function* transposeIterableHandle<T>(
|
||||
handle: JSHandle<AwaitableIterable<T>>
|
||||
): AsyncIterableIterator<HandleFor<T>> {
|
||||
yield* transposeIteratorHandle(
|
||||
await handle.evaluateHandle(iterable => {
|
||||
return (async function* () {
|
||||
yield* iterable;
|
||||
})();
|
||||
})
|
||||
);
|
||||
}
|
||||
@ -440,7 +440,7 @@ export class IsolatedWorld {
|
||||
return;
|
||||
}
|
||||
const node = (await PuppeteerUtil.createFunction(query)(
|
||||
root || document,
|
||||
root ?? document,
|
||||
selector,
|
||||
PuppeteerUtil
|
||||
)) as Node | null;
|
||||
@ -533,9 +533,9 @@ export class IsolatedWorld {
|
||||
}
|
||||
|
||||
async adoptHandle<T extends JSHandle<Node>>(handle: T): Promise<T> {
|
||||
const executionContext = await this.executionContext();
|
||||
const context = await this.executionContext();
|
||||
assert(
|
||||
handle.executionContext() !== executionContext,
|
||||
handle.executionContext() !== context,
|
||||
'Cannot adopt handle that already belongs to this execution context'
|
||||
);
|
||||
const nodeInfo = await this.#client.send('DOM.describeNode', {
|
||||
@ -545,9 +545,18 @@ export class IsolatedWorld {
|
||||
}
|
||||
|
||||
async transferHandle<T extends JSHandle<Node>>(handle: T): Promise<T> {
|
||||
const result = await this.adoptHandle(handle);
|
||||
const context = await this.executionContext();
|
||||
if (handle.executionContext() === context) {
|
||||
return handle;
|
||||
}
|
||||
const info = await this.#client.send('DOM.describeNode', {
|
||||
objectId: handle.remoteObject().objectId,
|
||||
});
|
||||
const newHandle = (await this.adoptBackendNode(
|
||||
info.node.backendNodeId
|
||||
)) as T;
|
||||
await handle.dispose();
|
||||
return result;
|
||||
return newHandle;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
48
packages/puppeteer-core/src/common/IterableUtil.ts
Normal file
48
packages/puppeteer-core/src/common/IterableUtil.ts
Normal file
@ -0,0 +1,48 @@
|
||||
/**
|
||||
* Copyright 2023 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.
|
||||
*/
|
||||
|
||||
import type {AwaitableIterable} from './types.js';
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export class IterableUtil {
|
||||
static async *map<T, U>(
|
||||
iterable: AwaitableIterable<T>,
|
||||
map: (item: T) => Promise<U>
|
||||
): AwaitableIterable<U> {
|
||||
for await (const value of iterable) {
|
||||
yield await map(value);
|
||||
}
|
||||
}
|
||||
|
||||
static async collect<T>(iterable: AwaitableIterable<T>): Promise<T[]> {
|
||||
const result = [];
|
||||
for await (const value of iterable) {
|
||||
result.push(value);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
static async first<T>(
|
||||
iterable: AwaitableIterable<T>
|
||||
): Promise<T | undefined> {
|
||||
for await (const value of iterable) {
|
||||
return value;
|
||||
}
|
||||
return undefined;
|
||||
}
|
||||
}
|
||||
38
packages/puppeteer-core/src/common/PierceQueryHandler.ts
Normal file
38
packages/puppeteer-core/src/common/PierceQueryHandler.ts
Normal file
@ -0,0 +1,38 @@
|
||||
/**
|
||||
* Copyright 2023 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.
|
||||
*/
|
||||
|
||||
import type PuppeteerUtil from '../injected/injected.js';
|
||||
import {QueryHandler} from './QueryHandler.js';
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export class PierceQueryHandler extends QueryHandler {
|
||||
static override querySelector = (
|
||||
element: Node,
|
||||
selector: string,
|
||||
{pierceQuerySelector}: PuppeteerUtil
|
||||
): Node | null => {
|
||||
return pierceQuerySelector(element, selector);
|
||||
};
|
||||
static override querySelectorAll = (
|
||||
element: Node,
|
||||
selector: string,
|
||||
{pierceQuerySelectorAll}: PuppeteerUtil
|
||||
): Iterable<Node> => {
|
||||
return pierceQuerySelectorAll(element, selector);
|
||||
};
|
||||
}
|
||||
@ -13,6 +13,7 @@
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import {Browser} from '../api/Browser.js';
|
||||
import {
|
||||
BrowserConnectOptions,
|
||||
@ -25,7 +26,7 @@ import {
|
||||
customQueryHandlerNames,
|
||||
registerCustomQueryHandler,
|
||||
unregisterCustomQueryHandler,
|
||||
} from './QueryHandler.js';
|
||||
} from './CustomQueryHandler.js';
|
||||
|
||||
/**
|
||||
* Settings that are common to the Puppeteer class, regardless of environment.
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
/**
|
||||
* Copyright 2020 Google Inc. All rights reserved.
|
||||
* Copyright 2023 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.
|
||||
@ -14,315 +14,177 @@
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import PuppeteerUtil from '../injected/injected.js';
|
||||
import {assert} from '../util/assert.js';
|
||||
import {ariaHandler} from './AriaQueryHandler.js';
|
||||
import {ElementHandle} from '../api/ElementHandle.js';
|
||||
import {Frame} from './Frame.js';
|
||||
import {WaitForSelectorOptions} from './IsolatedWorld.js';
|
||||
import type PuppeteerUtil from '../injected/injected.js';
|
||||
import {assert} from '../util/assert.js';
|
||||
import {createFunction} from '../util/Function.js';
|
||||
import {transposeIterableHandle} from './HandleIterator.js';
|
||||
import type {Frame} from './Frame.js';
|
||||
import type {WaitForSelectorOptions} from './IsolatedWorld.js';
|
||||
import {MAIN_WORLD, PUPPETEER_WORLD} from './IsolatedWorlds.js';
|
||||
import {LazyArg} from './LazyArg.js';
|
||||
|
||||
/**
|
||||
* @public
|
||||
*/
|
||||
export interface CustomQueryHandler {
|
||||
/**
|
||||
* @returns A {@link Node} matching the given `selector` from {@link node}.
|
||||
*/
|
||||
queryOne?: (node: Node, selector: string) => Node | null;
|
||||
/**
|
||||
* @returns Some {@link Node}s matching the given `selector` from {@link node}.
|
||||
*/
|
||||
queryAll?: (node: Node, selector: string) => Node[];
|
||||
}
|
||||
import type {Awaitable, AwaitableIterable} from './types.js';
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export interface InternalQueryHandler {
|
||||
/**
|
||||
* @returns A {@link Node} matching the given `selector` from {@link node}.
|
||||
*/
|
||||
queryOne?: (
|
||||
node: Node,
|
||||
selector: string,
|
||||
PuppeteerUtil: PuppeteerUtil
|
||||
) => Node | null;
|
||||
/**
|
||||
* @returns Some {@link Node}s matching the given `selector` from {@link node}.
|
||||
*/
|
||||
queryAll?: (
|
||||
node: Node,
|
||||
selector: string,
|
||||
PuppeteerUtil: PuppeteerUtil
|
||||
) => Node[];
|
||||
}
|
||||
export type QuerySelectorAll = (
|
||||
node: Node,
|
||||
selector: string,
|
||||
PuppeteerUtil: PuppeteerUtil
|
||||
) => AwaitableIterable<Node>;
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export interface PuppeteerQueryHandler {
|
||||
/**
|
||||
* Queries for a single node given a selector and {@link ElementHandle}.
|
||||
*
|
||||
* Akin to {@link Window.prototype.querySelector}.
|
||||
*/
|
||||
queryOne?: (
|
||||
element: ElementHandle<Node>,
|
||||
selector: string
|
||||
) => Promise<ElementHandle<Node> | null>;
|
||||
export type QuerySelector = (
|
||||
node: Node,
|
||||
selector: string,
|
||||
PuppeteerUtil: PuppeteerUtil
|
||||
) => Awaitable<Node | null>;
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export class QueryHandler {
|
||||
// Either one of these may be implemented, but at least one must be.
|
||||
static querySelectorAll?: QuerySelectorAll;
|
||||
static querySelector?: QuerySelector;
|
||||
|
||||
static get _querySelector(): QuerySelector {
|
||||
if (this.querySelector) {
|
||||
return this.querySelector;
|
||||
}
|
||||
if (!this.querySelectorAll) {
|
||||
throw new Error('Cannot create default query selector');
|
||||
}
|
||||
|
||||
const querySelector: QuerySelector = async (
|
||||
node,
|
||||
selector,
|
||||
PuppeteerUtil
|
||||
) => {
|
||||
const querySelectorAll =
|
||||
'FUNCTION_DEFINITION' as unknown as QuerySelectorAll;
|
||||
const results = querySelectorAll(node, selector, PuppeteerUtil);
|
||||
for await (const result of results) {
|
||||
return result;
|
||||
}
|
||||
return null;
|
||||
};
|
||||
|
||||
return (this.querySelector = createFunction(
|
||||
querySelector
|
||||
.toString()
|
||||
.replace("'FUNCTION_DEFINITION'", this.querySelectorAll.toString())
|
||||
) as typeof querySelector);
|
||||
}
|
||||
|
||||
static get _querySelectorAll(): QuerySelectorAll {
|
||||
if (this.querySelectorAll) {
|
||||
return this.querySelectorAll;
|
||||
}
|
||||
if (!this.querySelector) {
|
||||
throw new Error('Cannot create default query selector');
|
||||
}
|
||||
|
||||
const querySelectorAll: QuerySelectorAll = async function* (
|
||||
node,
|
||||
selector,
|
||||
PuppeteerUtil
|
||||
) {
|
||||
const querySelector = 'FUNCTION_DEFINITION' as unknown as QuerySelector;
|
||||
const result = await querySelector(node, selector, PuppeteerUtil);
|
||||
if (result) {
|
||||
yield result;
|
||||
}
|
||||
};
|
||||
|
||||
return (this.querySelectorAll = createFunction(
|
||||
querySelectorAll
|
||||
.toString()
|
||||
.replace("'FUNCTION_DEFINITION'", this.querySelector.toString())
|
||||
) as typeof querySelectorAll);
|
||||
}
|
||||
|
||||
/**
|
||||
* Queries for multiple nodes given a selector and {@link ElementHandle}.
|
||||
*
|
||||
* Akin to {@link Window.prototype.querySelectorAll}.
|
||||
*/
|
||||
queryAll?: (
|
||||
static async *queryAll(
|
||||
element: ElementHandle<Node>,
|
||||
selector: string
|
||||
) => Promise<Array<ElementHandle<Node>>>;
|
||||
): AwaitableIterable<ElementHandle<Node>> {
|
||||
const world = element.executionContext()._world;
|
||||
assert(world);
|
||||
const handle = await element.evaluateHandle(
|
||||
this._querySelectorAll,
|
||||
selector,
|
||||
LazyArg.create(context => {
|
||||
return context.puppeteerUtil;
|
||||
})
|
||||
);
|
||||
yield* transposeIterableHandle(handle);
|
||||
}
|
||||
|
||||
/**
|
||||
* Queries for a single node given a selector and {@link ElementHandle}.
|
||||
*
|
||||
* Akin to {@link Window.prototype.querySelector}.
|
||||
*/
|
||||
static async queryOne(
|
||||
element: ElementHandle<Node>,
|
||||
selector: string
|
||||
): Promise<ElementHandle<Node> | null> {
|
||||
const world = element.executionContext()._world;
|
||||
assert(world);
|
||||
const result = await element.evaluateHandle(
|
||||
this._querySelector,
|
||||
selector,
|
||||
LazyArg.create(context => {
|
||||
return context.puppeteerUtil;
|
||||
})
|
||||
);
|
||||
if (!(result instanceof ElementHandle)) {
|
||||
await result.dispose();
|
||||
return null;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
/**
|
||||
* Waits until a single node appears for a given selector and
|
||||
* {@link ElementHandle}.
|
||||
*/
|
||||
waitFor?: (
|
||||
static async waitFor(
|
||||
elementOrFrame: ElementHandle<Node> | Frame,
|
||||
selector: string,
|
||||
options: WaitForSelectorOptions
|
||||
) => Promise<ElementHandle<Node> | null>;
|
||||
}
|
||||
|
||||
function createPuppeteerQueryHandler(
|
||||
handler: InternalQueryHandler
|
||||
): PuppeteerQueryHandler {
|
||||
const internalHandler: PuppeteerQueryHandler = {};
|
||||
|
||||
if (handler.queryOne) {
|
||||
const queryOne = handler.queryOne;
|
||||
internalHandler.queryOne = async (element, selector) => {
|
||||
const world = element.executionContext()._world;
|
||||
assert(world);
|
||||
const jsHandle = await element.evaluateHandle(
|
||||
queryOne,
|
||||
selector,
|
||||
LazyArg.create(context => {
|
||||
return context.puppeteerUtil;
|
||||
})
|
||||
);
|
||||
const elementHandle = jsHandle.asElement();
|
||||
if (elementHandle) {
|
||||
return elementHandle;
|
||||
}
|
||||
await jsHandle.dispose();
|
||||
options: WaitForSelectorOptions,
|
||||
bindings = new Map<string, (...args: never[]) => unknown>()
|
||||
): Promise<ElementHandle<Node> | null> {
|
||||
let frame: Frame;
|
||||
let element: ElementHandle<Node> | undefined;
|
||||
if (!(elementOrFrame instanceof ElementHandle)) {
|
||||
frame = elementOrFrame;
|
||||
} else {
|
||||
frame = elementOrFrame.frame;
|
||||
element = await frame.worlds[PUPPETEER_WORLD].adoptHandle(elementOrFrame);
|
||||
}
|
||||
const result = await frame.worlds[PUPPETEER_WORLD]._waitForSelectorInPage(
|
||||
this._querySelector,
|
||||
element,
|
||||
selector,
|
||||
options,
|
||||
bindings
|
||||
);
|
||||
if (element) {
|
||||
await element.dispose();
|
||||
}
|
||||
if (!(result instanceof ElementHandle)) {
|
||||
await result?.dispose();
|
||||
return null;
|
||||
};
|
||||
internalHandler.waitFor = async (elementOrFrame, selector, options) => {
|
||||
let frame: Frame;
|
||||
let element: ElementHandle<Node> | undefined;
|
||||
if (elementOrFrame instanceof Frame) {
|
||||
frame = elementOrFrame;
|
||||
} else {
|
||||
frame = elementOrFrame.frame;
|
||||
element = await frame.worlds[PUPPETEER_WORLD].adoptHandle(
|
||||
elementOrFrame
|
||||
);
|
||||
}
|
||||
const result = await frame.worlds[PUPPETEER_WORLD]._waitForSelectorInPage(
|
||||
queryOne,
|
||||
element,
|
||||
selector,
|
||||
options
|
||||
);
|
||||
if (element) {
|
||||
await element.dispose();
|
||||
}
|
||||
if (!result) {
|
||||
return null;
|
||||
}
|
||||
if (!(result instanceof ElementHandle)) {
|
||||
await result.dispose();
|
||||
return null;
|
||||
}
|
||||
return frame.worlds[MAIN_WORLD].transferHandle(result);
|
||||
};
|
||||
}
|
||||
|
||||
if (handler.queryAll) {
|
||||
const queryAll = handler.queryAll;
|
||||
internalHandler.queryAll = async (element, selector) => {
|
||||
const world = element.executionContext()._world;
|
||||
assert(world);
|
||||
const jsHandle = await element.evaluateHandle(
|
||||
queryAll,
|
||||
selector,
|
||||
LazyArg.create(context => {
|
||||
return context.puppeteerUtil;
|
||||
})
|
||||
);
|
||||
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;
|
||||
};
|
||||
}
|
||||
|
||||
return internalHandler;
|
||||
}
|
||||
|
||||
const defaultHandler = createPuppeteerQueryHandler({
|
||||
queryOne: (element, selector) => {
|
||||
if (!('querySelector' in element)) {
|
||||
throw new Error(
|
||||
`Could not invoke \`querySelector\` on node of type ${element.nodeName}.`
|
||||
);
|
||||
}
|
||||
return (
|
||||
element as unknown as {querySelector(selector: string): Element}
|
||||
).querySelector(selector);
|
||||
},
|
||||
queryAll: (element, selector) => {
|
||||
if (!('querySelectorAll' in element)) {
|
||||
throw new Error(
|
||||
`Could not invoke \`querySelectorAll\` on node of type ${element.nodeName}.`
|
||||
);
|
||||
}
|
||||
return [
|
||||
...(
|
||||
element as unknown as {
|
||||
querySelectorAll(selector: string): NodeList;
|
||||
}
|
||||
).querySelectorAll(selector),
|
||||
];
|
||||
},
|
||||
});
|
||||
|
||||
const pierceHandler = createPuppeteerQueryHandler({
|
||||
queryOne: (element, selector, {pierceQuerySelector}) => {
|
||||
return pierceQuerySelector(element, selector);
|
||||
},
|
||||
queryAll: (element, selector, {pierceQuerySelectorAll}) => {
|
||||
return pierceQuerySelectorAll(element, selector);
|
||||
},
|
||||
});
|
||||
|
||||
const xpathHandler = createPuppeteerQueryHandler({
|
||||
queryOne: (element, selector, {xpathQuerySelector}) => {
|
||||
return xpathQuerySelector(element, selector);
|
||||
},
|
||||
queryAll: (element, selector, {xpathQuerySelectorAll}) => {
|
||||
return xpathQuerySelectorAll(element, selector);
|
||||
},
|
||||
});
|
||||
|
||||
const textQueryHandler = createPuppeteerQueryHandler({
|
||||
queryOne: (element, selector, {textQuerySelector}) => {
|
||||
return textQuerySelector(element, selector);
|
||||
},
|
||||
queryAll: (element, selector, {textQuerySelectorAll}) => {
|
||||
return textQuerySelectorAll(element, selector);
|
||||
},
|
||||
});
|
||||
|
||||
interface RegisteredQueryHandler {
|
||||
handler: PuppeteerQueryHandler;
|
||||
transformSelector?: (selector: string) => string;
|
||||
}
|
||||
|
||||
const INTERNAL_QUERY_HANDLERS = new Map<string, RegisteredQueryHandler>([
|
||||
['aria', {handler: ariaHandler}],
|
||||
['pierce', {handler: pierceHandler}],
|
||||
['xpath', {handler: xpathHandler}],
|
||||
['text', {handler: textQueryHandler}],
|
||||
]);
|
||||
const QUERY_HANDLERS = new Map<string, RegisteredQueryHandler>();
|
||||
|
||||
/**
|
||||
* @deprecated Import {@link Puppeteer} and use the static method
|
||||
* {@link Puppeteer.registerCustomQueryHandler}
|
||||
*
|
||||
* @public
|
||||
*/
|
||||
export function registerCustomQueryHandler(
|
||||
name: string,
|
||||
handler: CustomQueryHandler
|
||||
): void {
|
||||
if (INTERNAL_QUERY_HANDLERS.has(name)) {
|
||||
throw new Error(`A query handler named "${name}" already exists`);
|
||||
return frame.worlds[MAIN_WORLD].transferHandle(result);
|
||||
}
|
||||
if (QUERY_HANDLERS.has(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]`);
|
||||
}
|
||||
|
||||
QUERY_HANDLERS.set(name, {handler: createPuppeteerQueryHandler(handler)});
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated Import {@link Puppeteer} and use the static method
|
||||
* {@link Puppeteer.unregisterCustomQueryHandler}
|
||||
*
|
||||
* @public
|
||||
*/
|
||||
export function unregisterCustomQueryHandler(name: string): void {
|
||||
QUERY_HANDLERS.delete(name);
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated Import {@link Puppeteer} and use the static method
|
||||
* {@link Puppeteer.customQueryHandlerNames}
|
||||
*
|
||||
* @public
|
||||
*/
|
||||
export function customQueryHandlerNames(): string[] {
|
||||
return [...QUERY_HANDLERS.keys()];
|
||||
}
|
||||
|
||||
/**
|
||||
* @deprecated Import {@link Puppeteer} and use the static method
|
||||
* {@link Puppeteer.clearCustomQueryHandlers}
|
||||
*
|
||||
* @public
|
||||
*/
|
||||
export function clearCustomQueryHandlers(): void {
|
||||
QUERY_HANDLERS.clear();
|
||||
}
|
||||
|
||||
const CUSTOM_QUERY_SEPARATORS = ['=', '/'];
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export function getQueryHandlerAndSelector(selector: string): {
|
||||
updatedSelector: string;
|
||||
queryHandler: PuppeteerQueryHandler;
|
||||
} {
|
||||
for (const handlerMap of [QUERY_HANDLERS, INTERNAL_QUERY_HANDLERS]) {
|
||||
for (const [
|
||||
name,
|
||||
{handler: queryHandler, transformSelector},
|
||||
] of handlerMap) {
|
||||
for (const separator of CUSTOM_QUERY_SEPARATORS) {
|
||||
const prefix = `${name}${separator}`;
|
||||
if (selector.startsWith(prefix)) {
|
||||
selector = selector.slice(prefix.length);
|
||||
if (transformSelector) {
|
||||
selector = transformSelector(selector);
|
||||
}
|
||||
return {updatedSelector: selector, queryHandler};
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return {updatedSelector: selector, queryHandler: defaultHandler};
|
||||
}
|
||||
|
||||
30
packages/puppeteer-core/src/common/TextQueryHandler.ts
Normal file
30
packages/puppeteer-core/src/common/TextQueryHandler.ts
Normal file
@ -0,0 +1,30 @@
|
||||
/**
|
||||
* Copyright 2023 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.
|
||||
*/
|
||||
|
||||
import {QueryHandler, QuerySelectorAll} from './QueryHandler.js';
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export class TextQueryHandler extends QueryHandler {
|
||||
static override querySelectorAll: QuerySelectorAll = (
|
||||
element,
|
||||
selector,
|
||||
{textQuerySelectorAll}
|
||||
) => {
|
||||
return textQuerySelectorAll(element, selector);
|
||||
};
|
||||
}
|
||||
30
packages/puppeteer-core/src/common/XPathQueryHandler.ts
Normal file
30
packages/puppeteer-core/src/common/XPathQueryHandler.ts
Normal file
@ -0,0 +1,30 @@
|
||||
/**
|
||||
* Copyright 2023 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.
|
||||
*/
|
||||
|
||||
import {QueryHandler, QuerySelectorAll} from './QueryHandler.js';
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export class XPathQueryHandler extends QueryHandler {
|
||||
static override querySelectorAll: QuerySelectorAll = (
|
||||
element,
|
||||
selector,
|
||||
{xpathQuerySelectorAll}
|
||||
) => {
|
||||
return xpathQuerySelectorAll(element, selector);
|
||||
};
|
||||
}
|
||||
@ -25,6 +25,7 @@ export * from './Connection.js';
|
||||
export * from './ConnectionTransport.js';
|
||||
export * from './ConsoleMessage.js';
|
||||
export * from './Coverage.js';
|
||||
export * from './CustomQueryHandler.js';
|
||||
export * from './Debug.js';
|
||||
export * from './Device.js';
|
||||
export * from './Dialog.js';
|
||||
|
||||
@ -32,6 +32,11 @@ export type BindingPayload = {
|
||||
isTrivial: boolean;
|
||||
};
|
||||
|
||||
/**
|
||||
* @public
|
||||
*/
|
||||
export type AwaitableIterable<T> = Iterable<T> | AsyncIterable<T>;
|
||||
|
||||
/**
|
||||
* @public
|
||||
*/
|
||||
|
||||
@ -14,20 +14,21 @@
|
||||
* limitations under the License.
|
||||
*/
|
||||
|
||||
import {Protocol} from 'devtools-protocol';
|
||||
import type {Protocol} from 'devtools-protocol';
|
||||
import type {Readable} from 'stream';
|
||||
import type {ElementHandle} from '../api/ElementHandle.js';
|
||||
import type {JSHandle} from '../api/JSHandle.js';
|
||||
import {isNode} from '../environment.js';
|
||||
import {assert} from '../util/assert.js';
|
||||
import {isErrorLike} from '../util/ErrorLike.js';
|
||||
import {CDPSession} from './Connection.js';
|
||||
import type {CDPSession} from './Connection.js';
|
||||
import {debug} from './Debug.js';
|
||||
import {ElementHandle} from '../api/ElementHandle.js';
|
||||
import {CDPElementHandle} from './ElementHandle.js';
|
||||
import {TimeoutError} from './Errors.js';
|
||||
import {CommonEventEmitter} from './EventEmitter.js';
|
||||
import {ExecutionContext} from './ExecutionContext.js';
|
||||
import {JSHandle} from '../api/JSHandle.js';
|
||||
import type {CommonEventEmitter} from './EventEmitter.js';
|
||||
import type {ExecutionContext} from './ExecutionContext.js';
|
||||
import {CDPJSHandle} from './JSHandle.js';
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
|
||||
@ -19,68 +19,38 @@ import {
|
||||
isSuitableNodeForTextMatching,
|
||||
} from './TextContent.js';
|
||||
|
||||
/**
|
||||
* Queries the given node for a node matching the given text selector.
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
export const textQuerySelector = (
|
||||
root: Node,
|
||||
selector: string
|
||||
): Element | null => {
|
||||
for (const node of root.childNodes) {
|
||||
if (node instanceof Element && isSuitableNodeForTextMatching(node)) {
|
||||
let matchedNode: Element | null;
|
||||
if (node.shadowRoot) {
|
||||
matchedNode = textQuerySelector(node.shadowRoot, selector);
|
||||
} else {
|
||||
matchedNode = textQuerySelector(node, selector);
|
||||
}
|
||||
if (matchedNode) {
|
||||
return matchedNode;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (root instanceof Element) {
|
||||
const textContent = createTextContent(root);
|
||||
if (textContent.full.includes(selector)) {
|
||||
return root;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
};
|
||||
|
||||
/**
|
||||
* Queries the given node for all nodes matching the given text selector.
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
export const textQuerySelectorAll = (
|
||||
export const textQuerySelectorAll = function* (
|
||||
root: Node,
|
||||
selector: string
|
||||
): Element[] => {
|
||||
let results: Element[] = [];
|
||||
): Generator<Element> {
|
||||
let yielded = false;
|
||||
for (const node of root.childNodes) {
|
||||
if (node instanceof Element) {
|
||||
let matchedNodes: Element[];
|
||||
if (node.shadowRoot) {
|
||||
matchedNodes = textQuerySelectorAll(node.shadowRoot, selector);
|
||||
if (node instanceof Element && isSuitableNodeForTextMatching(node)) {
|
||||
let matches: Generator<Element, boolean>;
|
||||
if (!node.shadowRoot) {
|
||||
matches = textQuerySelectorAll(node, selector);
|
||||
} else {
|
||||
matchedNodes = textQuerySelectorAll(node, selector);
|
||||
matches = textQuerySelectorAll(node.shadowRoot, selector);
|
||||
}
|
||||
for (const match of matches) {
|
||||
yield match;
|
||||
yielded = true;
|
||||
}
|
||||
results = results.concat(matchedNodes);
|
||||
}
|
||||
}
|
||||
if (results.length > 0) {
|
||||
return results;
|
||||
if (yielded) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (root instanceof Element) {
|
||||
if (root instanceof Element && isSuitableNodeForTextMatching(root)) {
|
||||
const textContent = createTextContent(root);
|
||||
if (textContent.full.includes(selector)) {
|
||||
return [root];
|
||||
yield root;
|
||||
}
|
||||
}
|
||||
return [];
|
||||
};
|
||||
|
||||
@ -17,24 +17,10 @@
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export const xpathQuerySelector = (
|
||||
export const xpathQuerySelectorAll = function* (
|
||||
root: Node,
|
||||
selector: string
|
||||
): Node | null => {
|
||||
const doc = root.ownerDocument || document;
|
||||
const result = doc.evaluate(
|
||||
selector,
|
||||
root,
|
||||
null,
|
||||
XPathResult.FIRST_ORDERED_NODE_TYPE
|
||||
);
|
||||
return result.singleNodeValue;
|
||||
};
|
||||
|
||||
/**
|
||||
* @internal
|
||||
*/
|
||||
export const xpathQuerySelectorAll = (root: Node, selector: string): Node[] => {
|
||||
): Iterable<Node> {
|
||||
const doc = root.ownerDocument || document;
|
||||
const iterator = doc.evaluate(
|
||||
selector,
|
||||
@ -42,10 +28,8 @@ export const xpathQuerySelectorAll = (root: Node, selector: string): Node[] => {
|
||||
null,
|
||||
XPathResult.ORDERED_NODE_ITERATOR_TYPE
|
||||
);
|
||||
const array: Node[] = [];
|
||||
let item;
|
||||
while ((item = iterator.iterateNext())) {
|
||||
array.push(item);
|
||||
yield item;
|
||||
}
|
||||
return array;
|
||||
};
|
||||
|
||||
@ -15,6 +15,7 @@
|
||||
*/
|
||||
|
||||
import {createDeferredPromise} from '../util/DeferredPromise.js';
|
||||
import {createFunction} from '../util/Function.js';
|
||||
import {RAFPoller, MutationPoller, IntervalPoller} from './Poller.js';
|
||||
import {
|
||||
isSuitableNodeForTextMatching,
|
||||
@ -33,6 +34,7 @@ const PuppeteerUtil = Object.freeze({
|
||||
...TextQuerySelector,
|
||||
...XPathQuerySelector,
|
||||
...PierceQuerySelector,
|
||||
createFunction,
|
||||
createDeferredPromise,
|
||||
createTextContent,
|
||||
IntervalPoller,
|
||||
|
||||
@ -1,40 +1,3 @@
|
||||
/**
|
||||
* Copyright 2022 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.
|
||||
*/
|
||||
|
||||
const createdFunctions = new Map<string, (...args: unknown[]) => unknown>();
|
||||
|
||||
/**
|
||||
* Creates a function from a string.
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
export const createFunction = (
|
||||
functionValue: string
|
||||
): ((...args: unknown[]) => unknown) => {
|
||||
let fn = createdFunctions.get(functionValue);
|
||||
if (fn) {
|
||||
return fn;
|
||||
}
|
||||
fn = new Function(`return ${functionValue}`)() as (
|
||||
...args: unknown[]
|
||||
) => unknown;
|
||||
createdFunctions.set(functionValue, fn);
|
||||
return fn;
|
||||
};
|
||||
|
||||
const HIDDEN_VISIBILITY_VALUES = ['hidden', 'collapse'];
|
||||
|
||||
/**
|
||||
|
||||
@ -25,7 +25,7 @@ export * from './util/util.js';
|
||||
/**
|
||||
* @deprecated Use the query handler API defined on {@link Puppeteer}
|
||||
*/
|
||||
export * from './common/QueryHandler.js';
|
||||
export * from './common/CustomQueryHandler.js';
|
||||
|
||||
import {PuppeteerNode} from './node/PuppeteerNode.js';
|
||||
|
||||
|
||||
35
packages/puppeteer-core/src/util/Function.ts
Normal file
35
packages/puppeteer-core/src/util/Function.ts
Normal file
@ -0,0 +1,35 @@
|
||||
/**
|
||||
* Copyright 2023 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.
|
||||
*/
|
||||
const createdFunctions = new Map<string, (...args: unknown[]) => unknown>();
|
||||
|
||||
/**
|
||||
* Creates a function from a string.
|
||||
*
|
||||
* @internal
|
||||
*/
|
||||
export const createFunction = (
|
||||
functionValue: string
|
||||
): ((...args: unknown[]) => unknown) => {
|
||||
let fn = createdFunctions.get(functionValue);
|
||||
if (fn) {
|
||||
return fn;
|
||||
}
|
||||
fn = new Function(`return ${functionValue}`)() as (
|
||||
...args: unknown[]
|
||||
) => unknown;
|
||||
createdFunctions.set(functionValue, fn);
|
||||
return fn;
|
||||
};
|
||||
@ -15,7 +15,7 @@
|
||||
*/
|
||||
import expect from 'expect';
|
||||
import {Puppeteer} from 'puppeteer';
|
||||
import {CustomQueryHandler} from 'puppeteer-core/internal/common/QueryHandler.js';
|
||||
import type {CustomQueryHandler} from 'puppeteer-core/internal/common/CustomQueryHandler.js';
|
||||
import {
|
||||
getTestState,
|
||||
setupTestBrowserHooks,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user