/// <reference types="node" />
import * as stream from "stream";
import * as events from "events";
// Markup data
//-----------------------------------------------------------------------------------
declare namespace MarkupData {
interface Location {
/**
* One-based line index
*/
line: number;
/**
* One-based column index
*/
col: number;
/**
* Zero-based first character index
*/
startOffset: number;
/**
* Zero-based last character index
*/
endOffset: number;
}
interface AttributesLocation {
[attributeName: string]: Location;
}
interface StartTagLocation extends Location {
/**
* Start tag attributes' location info
*/
attrs: AttributesLocation
}
interface ElementLocation extends StartTagLocation {
/**
* Element's start tag location info.
*/
startTag: StartTagLocation;
/**
* Element's end tag location info.
*/
endTag: Location;
}
}
// Options
//-----------------------------------------------------------------------------------
declare namespace Options {
export interface ParserOptions {
/**
* Enables source code location information. When enabled, each node (except the root node) will have a `__location` property.
* If the node is not an empty element, `__location` will be a {@link MarkupData.ElementLocation} object, otherwise it will be {@link MarkupData.Location}.
* If the element was implicitly created by the parser (as part of [tree correction](https://html.spec.whatwg.org/multipage/syntax.html#an-introduction-to-error-handling-and-strange-cases-in-the-parser)), its `__location` property will be `undefined`.
*
* **Default:** `false`
*/
locationInfo?: boolean;
/**
* Specifies the resulting tree format.
*
* **Default:** `treeAdapters.default`
*/
treeAdapter?: AST.TreeAdapter;
}
export interface SAXParserOptions {
/**
* Enables source code location information for the tokens.
* When enabled, each token event handler will receive {@link MarkupData.Location} (or {@link MarkupData.StartTagLocation})
* object as its last argument.
*/
locationInfo?: boolean;
}
export interface SerializerOptions {
/***
* Specifies input tree format.
*
* **Default:** `treeAdapters.default`
*/
treeAdapter?: AST.TreeAdapter;
}
}
// AST
//-----------------------------------------------------------------------------------
declare namespace AST {
/**
* [Document mode](https://dom.spec.whatwg.org/#concept-document-limited-quirks).
*/
type DocumentMode = 'no-quirks' | 'quirks' | 'limited-quirks';
// Default tree adapter
namespace Default {
/**
* Element attribute.
*/
interface Attribute {
/**
* The name of the attribute.
*/
name: string;
/**
* The value of the attribute.
*/
value: string;
/**
* The namespace of the attribute.
*/
namespace?: string;
/**
* The namespace-related prefix of the attribute.
*/
prefix?: string;
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} Node interface.
*/
interface Node {
/**
* The name of the node. E.g. {@link Document} will have `nodeName` equal to '#document'`.
*/
nodeName: string;
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} ParentNode interface.
*/
interface ParentNode {
/**
* Child nodes.
*/
childNodes: Node[];
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} DocumentType interface.
*/
export interface DocumentType extends Node {
/**
* The name of the node.
*/
nodeName: '#documentType';
/**
* Document type name.
*/
name: string;
/**
* Document type public identifier.
*/
publicId: string;
/**
* Document type system identifier.
*/
systemId: string;
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} Document interface.
*/
export interface Document extends ParentNode {
/**
* The name of the node.
*/
nodeName: '#document';
/**
* [Document mode](https://dom.spec.whatwg.org/#concept-document-limited-quirks).
*/
mode: DocumentMode;
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} DocumentFragment interface.
*/
export interface DocumentFragment extends ParentNode {
/**
* The name of the node.
*/
nodeName: '#document-fragment';
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} Element interface.
*/
export interface Element extends ParentNode {
/**
* The name of the node. Equals to element {@link tagName}.
*/
nodeName: string;
/**
* Element tag name.
*/
tagName: string;
/**
* Element namespace.
*/
namespaceURI: string;
/**
* List of element attributes.
*/
attrs: Attribute[];
/**
* Parent node.
*/
parentNode: ParentNode;
/**
* Element source code location info. Available if location info is enabled via {@link Options.ParserOptions}.
*/
__location?: MarkupData.ElementLocation;
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} CommentNode interface.
*/
export interface CommentNode extends Node {
/**
* The name of the node.
*/
nodeName: '#comment';
/**
* Comment text.
*/
data: string;
/**
* Parent node.
*/
parentNode: ParentNode;
/**
* Comment source code location info. Available if location info is enabled via {@link Options.ParserOptions}.
*/
__location?: MarkupData.Location;
}
/**
* [Default tree adapter]{@link parse5.treeAdapters} TextNode interface.
*/
export interface TextNode extends Node {
/**
* The name of the node.
*/
nodeName: '#text';
/**
* Text content.
*/
value: string;
/**
* Parent node.
*/
parentNode: ParentNode;
/**
* Text node source code location info. Available if location info is enabled via {@link Options.ParserOptions}.
*/
__location?: MarkupData.Location;
}
}
// htmlparser2 tree adapter
namespace HtmlParser2 {
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} Node interface.
*/
interface Node {
/**
* The type of the node. E.g. {@link Document} will have `type` equal to 'root'`.
*/
type: string;
/**
* [DOM spec](https://dom.spec.whatwg.org/#dom-node-nodetype)-compatible node {@link type}.
*/
nodeType: number;
/**
* Parent node.
*/
parent: ParentNode;
/**
* Same as {@link parent}. [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
parentNode: ParentNode;
/**
* Previous sibling.
*/
prev: Node;
/**
* Same as {@link prev}. [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
previousSibling: Node;
/**
* Next sibling.
*/
next: Node;
/**
* Same as {@link next}. [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
nextSibling: Node;
}
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} ParentNode interface.
*/
interface ParentNode extends Node {
/**
* Child nodes.
*/
children: Node[];
/**
* Same as {@link children}. [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
childNodes: Node[];
/**
* First child of the node.
*/
firstChild: Node;
/**
* Last child of the node.
*/
lastChild: Node;
}
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} DocumentType interface.
*/
export interface DocumentType extends Node {
/**
* The type of the node.
*/
type: 'directive';
/**
* Node name.
*/
name: '!doctype';
/**
* Serialized doctype {@link name}, {@link publicId} and {@link systemId}.
*/
data: string;
/**
* Document type name.
*/
'x-name':string;
/**
* Document type public identifier.
*/
'x-publicId': string;
/**
* Document type system identifier.
*/
'x-systemId': string;
}
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} Document interface.
*/
export interface Document extends ParentNode {
/**
* The type of the node.
*/
type: 'root';
/**
* The name of the node.
*/
name: 'root';
/**
* [Document mode](https://dom.spec.whatwg.org/#concept-document-limited-quirks).
*/
'x-mode': DocumentMode;
}
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} DocumentFragment interface.
*/
export interface DocumentFragment extends ParentNode {
/**
* The type of the node.
*/
type: 'root';
/**
* The name of the node.
*/
name: 'root';
}
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} Element interface.
*/
export interface Element extends ParentNode {
/**
* The name of the node. Equals to element {@link tagName}.
*/
name: string;
/**
* Element tag name.
*/
tagName: string;
/**
* Element namespace.
*/
namespace: string;
/**
* Element attributes.
*/
attribs: { [name: string]: string };
/**
* Element attribute namespaces.
*/
'x-attribsNamespace': { [name: string]: string };
/**
* Element attribute namespace-related prefixes.
*/
'x-attribsPrefix': { [name: string]: string };
/**
* Element source code location info. Available if location info is enabled via {@link Options.ParserOptions}.
*/
__location?: MarkupData.ElementLocation;
}
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} CommentNode interface.
*/
export interface CommentNode extends Node {
/**
* The name of the node.
*/
name: 'comment';
/**
* Comment text.
*/
data: string;
/**
* Same as {@link data}. [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
nodeValue: string;
/**
* Comment source code location info. Available if location info is enabled via {@link Options.ParserOptions}.
*/
__location?: MarkupData.Location;
}
/**
* [htmlparser2 tree adapter]{@link parse5.treeAdapters} TextNode interface.
*/
export interface TextNode extends Node {
/**
* The name of the node.
*/
name: 'text';
/**
* Text content.
*/
data: string;
/**
* Same as {@link data}. [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
*/
nodeValue: string;
/**
* Comment source code location info. Available if location info is enabled via {@link Options.ParserOptions}.
*/
__location?: MarkupData.Location;
}
}
// Unions
// NOTE: we use `Object` in unions to support custom tree adapter implementations.
// TypeScript Handbook suggests to always use `any` instead of `Object`, but in that
// case language service hints `any` as type, instead of actual union name.
/**
* Generic Node interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.Node}) to get access to the properties.
*/
type Node = Default.Node | HtmlParser2.Node | Object;
/**
* Generic ParentNode interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.ParentNode}) to get access to the properties.
*/
type ParentNode = Default.ParentNode | HtmlParser2.ParentNode | Object;
/**
* Generic DocumentType interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.DocumentType}) to get access to the properties.
*/
type DocumentType = Default.DocumentType | HtmlParser2.DocumentType | Object;
/**
* Generic Document interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.Document}) to get access to the properties.
*/
type Document = Default.Document | HtmlParser2.Document | Object;
/**
* Generic DocumentFragment interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.DocumentFragment}) to get access to the properties.
*/
type DocumentFragment = Default.DocumentFragment | HtmlParser2.DocumentFragment | Object;
/**
* Generic Element interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.Element}) to get access to the properties.
*/
type Element = Default.Element | HtmlParser2.Element | Object;
/**
* Generic TextNode interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.TextNode}) to get access to the properties.
*/
type TextNode = Default.TextNode | HtmlParser2.TextNode | Object;
/**
* Generic CommentNode interface.
* Cast to the actual AST interface (e.g. {@link parse5.AST.Default.CommentNode}) to get access to the properties.
*/
type CommentNode = Default.CommentNode | HtmlParser2.CommentNode | Object;
// Tree adapter interface
//-----------------------------------------------------------------------------------
/**
* Tree adapter is a set of utility functions that provides minimal required abstraction layer beetween parser and a specific AST format.
* Note that `TreeAdapter` is not designed to be a general purpose AST manipulation library. You can build such library
* on top of existing `TreeAdapter` or use one of the existing libraries from npm.
*
* @see [default implementation](https://github.com/inikulin/parse5/blob/master/lib/tree_adapters/default.js)
*/
export interface TreeAdapter {
/**
* Creates a document node.
*/
createDocument(): AST.Document;
/**
* Creates a document fragment node.
*/
createDocumentFragment(): AST.DocumentFragment;
/**
* Creates an element node.
*
* @param tagName - Tag name of the element.
* @param namespaceURI - Namespace of the element.
* @param attrs - Attribute name-value pair array. Foreign attributes may contain `namespace` and `prefix` fields as well.
*/
createElement(tagName: string, namespaceURI: string, attrs: AST.Default.Attribute[]): AST.Element;
/**
* Creates a comment node.
*
* @param data - Comment text.
*/
createCommentNode(data: string): AST.CommentNode;
/**
* Appends a child node to the given parent node.
*
* @param parentNode - Parent node.
* @param newNode - Child node.
*/
appendChild(parentNode: AST.ParentNode, newNode: AST.Node): void;
/**
* Inserts a child node to the given parent node before the given reference node.
*
* @param parentNode - Parent node.
* @param newNode - Child node.
* @param referenceNode - Reference node.
*/
insertBefore(parentNode: AST.ParentNode, newNode: AST.Node, referenceNode: AST.Node): void;
/**
* Sets the `<template>` element content element.
*
* @param templateElement - `<template>` element.
* @param contentElement - Content element.
*/
setTemplateContent(templateElement: AST.Element, contentElement: AST.DocumentFragment): void;
/**
* Returns the `<template>` element content element.
*
* @param templateElement - `<template>` element.
*/
getTemplateContent(templateElement: AST.Element): AST.DocumentFragment;
/**
* Sets the document type. If the `document` already contains a document type node, the `name`, `publicId` and `systemId`
* properties of this node will be updated with the provided values. Otherwise, creates a new document type node
* with the given properties and inserts it into the `document`.
*
* @param document - Document node.
* @param name - Document type name.
* @param publicId - Document type public identifier.
* @param systemId - Document type system identifier.
*/
setDocumentType(document: AST.Document, name: string, publicId: string, systemId: string): void;
/**
* Sets the [document mode](https://dom.spec.whatwg.org/#concept-document-limited-quirks).
*
* @param document - Document node.
* @param mode - Document mode.
*/
setDocumentMode(document: AST.Document, mode: AST.DocumentMode): void;
/**
* Returns [document mode](https://dom.spec.whatwg.org/#concept-document-limited-quirks).
*
* @param document - Document node.
*/
getDocumentMode(document: AST.Document): AST.DocumentMode;
/**
* Removes a node from its parent.
*
* @param node - Node to remove.
*/
detachNode(node: AST.Node): void;
/**
* Inserts text into a node. If the last child of the node is a text node, the provided text will be appended to the
* text node content. Otherwise, inserts a new text node with the given text.
*
* @param parentNode - Node to insert text into.
* @param text - Text to insert.
*/
insertText(parentNode: AST.ParentNode, text: string): void;
/**
* Inserts text into a sibling node that goes before the reference node. If this sibling node is the text node,
* the provided text will be appended to the text node content. Otherwise, inserts a new sibling text node with
* the given text before the reference node.
*
* @param parentNode - Node to insert text into.
* @param text - Text to insert.
* @param referenceNode - Node to insert text before.
*/
insertTextBefore(parentNode: AST.ParentNode, text: string, referenceNode: AST.Node): void;
/**
* Copies attributes to the given element. Only attributes that are not yet present in the element are copied.
*
* @param recipient - Element to copy attributes into.
* @param attrs - Attributes to copy.
*/
adoptAttributes(recipient: AST.Element, attrs: AST.Default.Attribute[]): void;
/**
* Returns the first child of the given node.
*
* @param node - Node.
*/
getFirstChild(node: AST.ParentNode): AST.Node;
/**
* Returns the given node's children in an array.
*
* @param node - Node.
*/
getChildNodes(node: AST.ParentNode): AST.Node[];
/**
* Returns the given node's parent.
*
* @param node - Node.
*/
getParentNode(node: AST.Node): AST.ParentNode;
/**
* Returns the given element's attributes in an array, in the form of name-value pairs.
* Foreign attributes may contain `namespace` and `prefix` fields as well.
*
* @param element - Element.
*/
getAttrList(element: AST.Element): AST.Default.Attribute[];
/**
* Returns the given element's tag name.
*
* @param element - Element.
*/
getTagName(element: AST.Element): string;
/**
* Returns the given element's namespace.
*
* @param element - Element.
*/
getNamespaceURI(element: AST.Element): string;
/**
* Returns the given text node's content.
*
* @param textNode - Text node.
*/
getTextNodeContent(textNode: AST.TextNode): string;
/**
* Returns the given comment node's content.
*
* @param commentNode - Comment node.
*/
getCommentNodeContent(commentNode: AST.CommentNode): string;
/**
* Returns the given document type node's name.
*
* @param doctypeNode - Document type node.
*/
getDocumentTypeNodeName(doctypeNode: AST.DocumentType): string;
/**
* Returns the given document type node's public identifier.
*
* @param doctypeNode - Document type node.
*/
getDocumentTypeNodePublicId(doctypeNode: AST.DocumentType): string;
/**
* Returns the given document type node's system identifier.
*
* @param doctypeNode - Document type node.
*/
getDocumentTypeNodeSystemId(doctypeNode: AST.DocumentType): string;
/**
* Determines if the given node is a text node.
*
* @param node - Node.
*/
isTextNode(node: AST.Node): boolean;
/**
* Determines if the given node is a comment node.
*
* @param node - Node.
*/
isCommentNode(node: AST.Node): boolean;
/**
* Determines if the given node is a document type node.
*
* @param node - Node.
*/
isDocumentTypeNode(node: AST.Node): boolean;
/**
* Determines if the given node is an element.
*
* @param node - Node.
*/
isElementNode(node: AST.Node): boolean;
}
}
// Included tree adapters
//-----------------------------------------------------------------------------------
/**
* Provides built-in tree adapters that can be used for parsing and serialization.
*
* @example
*```js
*
* const parse5 = require('parse5');
*
* // Uses the default tree adapter for parsing.
* const document = parse5.parse('<div></div>', {
* treeAdapter: parse5.treeAdapters.default
* });
*
* // Uses the htmlparser2 tree adapter with the SerializerStream.
* const serializer = new parse5.SerializerStream(node, {
* treeAdapter: parse5.treeAdapters.htmlparser2
* });
* ```
*/
export var treeAdapters: {
/**
* Default tree format for parse5.
*/
default: AST.TreeAdapter,
/**
* Quite popular [htmlparser2](https://github.com/fb55/htmlparser2) tree format
* (e.g. used by [cheerio](https://github.com/MatthewMueller/cheerio) and [jsdom](https://github.com/tmpvar/jsdom)).
*/
htmlparser2: AST.TreeAdapter
};
// Shorthand methods
//-----------------------------------------------------------------------------------
/**
* Parses an HTML string.
*
* @param html - Input HTML string.
* @param options - Parsing options.
*
* @example
* ```js
*
* const parse5 = require('parse5');
*
* const document = parse5.parse('<!DOCTYPE html><html><head></head><body>Hi there!</body></html>');
*
* console.log(document.childNodes[1].tagName); //> 'html'
* ```
*/
export function parse(html: string, options?: Options.ParserOptions): AST.Document;
/**
* Parses an HTML fragment.
*
* @param fragmentContext - Parsing context element. If specified, given fragment will be parsed as if it was set to the context element's `innerHTML` property.
* @param html - Input HTML fragment string.
* @param options - Parsing options.
*
* @example
* ```js
*
* const parse5 = require('parse5');
*
* const documentFragment = parse5.parseFragment('<table></table>');
*
* console.log(documentFragment.childNodes[0].tagName); //> 'table'
*
* // Parses the html fragment in the context of the parsed <table> element.
* const trFragment = parser.parseFragment(documentFragment.childNodes[0], '<tr><td>Shake it, baby</td></tr>');
*
* console.log(trFragment.childNodes[0].childNodes[0].tagName); //> 'td'
* ```
*/
export function parseFragment(fragmentContext: AST.Element, html: string, options?: Options.ParserOptions): AST.DocumentFragment;
export function parseFragment(html: string, options?: Options.ParserOptions): AST.DocumentFragment;
/**
* Serializes an AST node to an HTML string.
*
* @param node - Node to serialize.
* @param options - Serialization options.
*
* @example
* ```js
*
* const parse5 = require('parse5');
*
* const document = parse5.parse('<!DOCTYPE html><html><head></head><body>Hi there!</body></html>');
*
* // Serializes a document.
* const html = parse5.serialize(document);
*
* // Serializes the <html> element content.
* const str = parse5.serialize(document.childNodes[1]);
*
* console.log(str); //> '<head></head><body>Hi there!</body>'
* ```
*/
export function serialize(node: AST.Node, options?: Options.SerializerOptions): string;
// Parser stream
//-----------------------------------------------------------------------------------
/**
* Streaming HTML parser with scripting support.
* A [writable stream](https://nodejs.org/api/stream.html#stream_class_stream_writable).
*
* ** NOTE:** This API is available only for Node.js.
*
* @example
* ```js
*
* const parse5 = require('parse5');
* const http = require('http');
*
* // Fetch the page content and obtain it's <head> node
* http.get('http://inikulin.github.io/parse5/', res => {
* const parser = new parse5.ParserStream();
*
* parser.once('finish', () => {
* console.log(parser.document.childNodes[1].childNodes[0].tagName); //> 'head'
* });
*
* res.pipe(parser);
* });
* ```
*/
export class ParserStream extends stream.Writable {
/**
* @param options - Parsing options.
*/
constructor(options?: Options.ParserOptions);
/**
* The resulting document node.
*/
document: AST.Document;
/**
* Raised then parser encounters a `<script>` element.
* If this event has listeners, parsing will be suspended once it is emitted.
* So, if `<script>` has the `src` attribute, you can fetch it, execute and then resume parsing just like browsers do.
*
* @param listener.scriptElement - The script element that caused the event.
* @param listener.documentWrite - Write additional `html` at the current parsing position. Suitable for implementing the DOM `document.write` and `document.writeln` methods.
* @param listener.documentWrite.html - HTML to write.
* @param listener.resume - Resumes parsing.
*
* @example
* ```js
*
* const parse = require('parse5');
* const http = require('http');
*
* const parser = new parse5.ParserStream();
*
* parser.on('script', (scriptElement, documentWrite, resume) => {
* const src = parse5.treeAdapters.default.getAttrList(scriptElement)[0].value;
*
* http.get(src, res => {
* // Fetch the script content, execute it with DOM built around `parser.document` and
* // `document.write` implemented using `documentWrite`.
* ...
* // Then resume parsing.
* resume();
* });
* });
*
* parser.end('<script src="example.com/script.js"></script>');
* ```
*/
on(event: 'script', listener: (scriptElement: AST.Element, documentWrite: (html: string) => void, resume: () => void) => void): this;
/**
* WritableStream events
*/
on(event: string, listener: Function): this;
}
// Plaint text conversion stream
//-----------------------------------------------------------------------------------
/**
* Converts plain text files into HTML document as required by [HTML specification](https://html.spec.whatwg.org/#read-text).
* A [writable stream](https://nodejs.org/api/stream.html#stream_class_stream_writable).
*
* ** NOTE:** This API is available only for Node.js.
*
* @example
* ```js
*
* const parse5 = require('parse5');
* const fs = require('fs');
*
* const file = fs.createReadStream('war_and_peace.txt');
* const converter = new parse5.PlainTextConversionStream();
*
* converter.once('finish', () => {
* console.log(converter.document.childNodes[1].childNodes[0].tagName); //> 'head'
* });
*
* file.pipe(converter);
* ```
*/
export class PlainTextConversionStream extends ParserStream { }
// SAX parser
//-----------------------------------------------------------------------------------
/**
* Streaming [SAX](https://en.wikipedia.org/wiki/Simple_API_for_XML)-style HTML parser.
* A [transform stream](https://nodejs.org/api/stream.html#stream_class_stream_transform)
* (which means you can pipe *through* it, see example).
*
* ** NOTE:** This API is available only for Node.js.
*
* @example
* ```js
*
* const parse5 = require('parse5');
* const http = require('http');
* const fs = require('fs');
*
* const file = fs.createWriteStream('/home/google.com.html');
* const parser = new parse5.SAXParser();
*
* parser.on('text', text => {
* // Handle page text content
* ...
* });
*
* http.get('http://google.com', res => {
* // SAXParser is the Transform stream, which means you can pipe
* // through it. So, you can analyze page content and, e.g., save it
* // to the file at the same time:
* res.pipe(parser).pipe(file);
* });
* ```
*/
export class SAXParser extends stream.Transform {
/**
* @param options - Parsing options.
*/
constructor(options?: Options.SAXParserOptions);
/**
* Raised when the parser encounters a start tag.
*
* @param listener.name - Tag name.
* @param listener.attrs - List of attributes.
* @param listener.selfClosing - Indicates if the tag is self-closing.
* @param listener.location - Start tag source code location info. Available if location info is enabled via {@link Options.SAXParserOptions}.
*/
on(event: 'startTag', listener: (name: string, attrs: AST.Default.Attribute[], selfClosing: boolean, location?: MarkupData.StartTagLocation) => void): this;
/**
* Raised then parser encounters an end tag.
*
* @param listener.name - Tag name.
* @param listener.location - End tag source code location info. Available if location info is enabled via {@link Options.SAXParserOptions}.
*/
on(event: 'endTag', listener: (name: string, location?: MarkupData.Location) => void): this;
/**
* Raised then parser encounters a comment.
*
* @param listener.text - Comment text.
* @param listener.location - Comment source code location info. Available if location info is enabled via {@link Options.SAXParserOptions}.
*/
on(event: 'comment', listener: (text: string, location?: MarkupData.Location) => void): this;
/**
* Raised then parser encounters text content.
*
* @param listener.text - Text content.
* @param listener.location - Text content code location info. Available if location info is enabled via {@link Options.SAXParserOptions}.
*/
on(event: 'text', listener: (text: string, location?: MarkupData.Location) => void): this;
/**
* Raised then parser encounters a [document type declaration](https://en.wikipedia.org/wiki/Document_type_declaration).
*
* @param listener.name - Document type name.
* @param listener.publicId - Document type public identifier.
* @param listener.systemId - Document type system identifier.
* @param listener.location - Document type declaration source code location info. Available if location info is enabled via {@link Options.SAXParserOptions}.
*/
on(event: 'doctype', listener: (name: string, publicId: string, systemId: string, location?: MarkupData.Location) => void): this;
/**
* TransformStream events
*/
on(event: string, listener: Function): this;
/**
* Stops parsing. Useful if you want the parser to stop consuming CPU time once you've obtained the desired info
* from the input stream. Doesn't prevent piping, so that data will flow through the parser as usual.
*
* @example
* ```js
*
* const parse5 = require('parse5');
* const http = require('http');
* const fs = require('fs');
*
* const file = fs.createWriteStream('google.com.html');
* const parser = new parse5.SAXParser();
*
* parser.on('doctype', (name, publicId, systemId) => {
* // Process doctype info ans stop parsing
* ...
* parser.stop();
* });
*
* http.get('http://google.com', res => {
* // Despite the fact that parser.stop() was called whole
* // content of the page will be written to the file
* res.pipe(parser).pipe(file);
* });
* ```
*/
stop(): void;
}
// Serializer stream
//-----------------------------------------------------------------------------------
/**
* Streaming AST node to an HTML serializer.
* A [readable stream](https://nodejs.org/api/stream.html#stream_class_stream_readable).
*
* ** NOTE:** This API is available only for Node.js.
*
* @example
* ```js
*
* const parse5 = require('parse5');
* const fs = require('fs');
*
* const file = fs.createWriteStream('/home/index.html');
*
* // Serializes the parsed document to HTML and writes it to the file.
* const document = parse5.parse('<body>Who is John Galt?</body>');
* const serializer = new parse5.SerializerStream(document);
*
* serializer.pipe(file);
* ```
*/
export class SerializerStream extends stream.Readable {
/**
* Streaming AST node to an HTML serializer. A readable stream.
*
* @param node - Node to serialize.
* @param options - Serialization options.
*/
constructor(node: AST.Node, options?: Options.SerializerOptions);
}