Files
rrweb/src/snapshot.ts
AssafKr 3c7aeb3b13 Handle quoted strings in data url (#84)
* handle quoted strings in data url

* unrefactor

* update package json

* Revert "update package json"

This reverts commit 9446109b0f94d9e569a961642f1e57b1a67793ee.

* change background-image to border-image
2026-04-01 12:00:00 +08:00

964 lines
27 KiB
TypeScript

import {
serializedNode,
serializedNodeWithId,
NodeType,
attributes,
INode,
idNodeMap,
MaskInputOptions,
SlimDOMOptions,
MaskTextFn,
MaskInputFn,
KeepIframeSrcFn,
} from './types';
import { isElement, isShadowRoot, maskInputValue } from './utils';
let _id = 1;
const tagNameRegex = RegExp('[^a-z0-9-_:]');
export const IGNORED_NODE = -2;
function genId(): number {
return _id++;
}
function getValidTagName(element: HTMLElement): string {
if (element instanceof HTMLFormElement) {
return 'form';
}
const processedTagName = element.tagName.toLowerCase().trim();
if (tagNameRegex.test(processedTagName)) {
// if the tag name is odd and we cannot extract
// anything from the string, then we return a
// generic div
return 'div';
}
return processedTagName;
}
function getCssRulesString(s: CSSStyleSheet): string | null {
try {
const rules = s.rules || s.cssRules;
return rules ? Array.from(rules).map(getCssRuleString).join('') : null;
} catch (error) {
return null;
}
}
function getCssRuleString(rule: CSSRule): string {
return isCSSImportRule(rule)
? getCssRulesString(rule.styleSheet) || ''
: rule.cssText;
}
function isCSSImportRule(rule: CSSRule): rule is CSSImportRule {
return 'styleSheet' in rule;
}
function extractOrigin(url: string): string {
let origin;
if (url.indexOf('//') > -1) {
origin = url.split('/').slice(0, 3).join('/');
} else {
origin = url.split('/')[0];
}
origin = origin.split('?')[0];
return origin;
}
const URL_IN_CSS_REF = /url\((?:(')([^']*)'|(")(.*?)"|([^)]*))\)/gm;
const RELATIVE_PATH = /^(?!www\.|(?:http|ftp)s?:\/\/|[A-Za-z]:\\|\/\/|#).*/;
const DATA_URI = /^(data:)([^,]*),(.*)/i;
export function absoluteToStylesheet(
cssText: string | null,
href: string,
): string {
return (cssText || '').replace(
URL_IN_CSS_REF,
(origin, quote1, path1, quote2, path2, path3) => {
const filePath = path1 || path2 || path3;
const maybeQuote = quote1 || quote2 || '';
if (!filePath) {
return origin;
}
if (!RELATIVE_PATH.test(filePath)) {
return `url(${maybeQuote}${filePath}${maybeQuote})`;
}
if (DATA_URI.test(filePath)) {
return `url(${maybeQuote}${filePath}${maybeQuote})`;
}
if (filePath[0] === '/') {
return `url(${maybeQuote}${
extractOrigin(href) + filePath
}${maybeQuote})`;
}
const stack = href.split('/');
const parts = filePath.split('/');
stack.pop();
for (const part of parts) {
if (part === '.') {
continue;
} else if (part === '..') {
stack.pop();
} else {
stack.push(part);
}
}
return `url(${maybeQuote}${stack.join('/')}${maybeQuote})`;
},
);
}
const SRCSET_NOT_SPACES = /^[^ \t\n\r\u000c]+/; // Don't use \s, to avoid matching non-breaking space
const SRCSET_COMMAS_OR_SPACES = /^[, \t\n\r\u000c]+/;
function getAbsoluteSrcsetString(doc: Document, attributeValue: string) {
/*
run absoluteToDoc over every url in the srcset
this is adapted from https://github.com/albell/parse-srcset/
without the parsing of the descriptors (we return these as-is)
parce-srcset is in turn based on
https://html.spec.whatwg.org/multipage/embedded-content.html#parse-a-srcset-attribute
*/
if (attributeValue.trim() === '') {
return attributeValue;
}
let pos = 0;
function collectCharacters(regEx: RegExp) {
var chars,
match = regEx.exec(attributeValue.substring(pos));
if (match) {
chars = match[0];
pos += chars.length;
return chars;
}
return '';
}
let output = [];
while (true) {
collectCharacters(SRCSET_COMMAS_OR_SPACES);
if (pos >= attributeValue.length) {
break;
}
// don't split on commas within urls
let url = collectCharacters(SRCSET_NOT_SPACES);
if (url.slice(-1) === ',') {
// aside: according to spec more than one comma at the end is a parse error, but we ignore that
url = absoluteToDoc(doc, url.substring(0, url.length - 1));
// the trailing comma splits the srcset, so the interpretion is that
// another url will follow, and the descriptor is empty
output.push(url);
} else {
let descriptorsStr = '';
url = absoluteToDoc(doc, url);
let inParens = false;
while (true) {
let c = attributeValue.charAt(pos);
if (c === '') {
output.push((url + descriptorsStr).trim());
break;
} else if (!inParens) {
if (c === ',') {
pos += 1;
output.push((url + descriptorsStr).trim());
break; // parse the next url
} else if (c === '(') {
inParens = true;
}
} else {
// in parenthesis; ignore commas
// (parenthesis may be supported by future additions to spec)
if (c === ')') {
inParens = false;
}
}
descriptorsStr += c;
pos += 1;
}
}
}
return output.join(', ');
}
export function absoluteToDoc(doc: Document, attributeValue: string): string {
if (!attributeValue || attributeValue.trim() === '') {
return attributeValue;
}
const a: HTMLAnchorElement = doc.createElement('a');
a.href = attributeValue;
return a.href;
}
function isSVGElement(el: Element): boolean {
return el.tagName === 'svg' || el instanceof SVGElement;
}
function getHref() {
// return a href without hash
const a = document.createElement('a');
a.href = '';
return a.href;
}
export function transformAttribute(
doc: Document,
tagName: string,
name: string,
value: string,
): string {
// relative path in attribute
if (name === 'src' || ((name === 'href' || name === 'xlink:href') && value)) {
return absoluteToDoc(doc, value);
} else if (
name === 'background' &&
value &&
(tagName === 'table' || tagName === 'td' || tagName === 'th')
) {
return absoluteToDoc(doc, value);
} else if (name === 'srcset' && value) {
return getAbsoluteSrcsetString(doc, value);
} else if (name === 'style' && value) {
return absoluteToStylesheet(value, getHref());
} else {
return value;
}
}
export function _isBlockedElement(
element: HTMLElement,
blockClass: string | RegExp,
blockSelector: string | null,
): boolean {
if (typeof blockClass === 'string') {
if (element.classList.contains(blockClass)) {
return true;
}
} else {
// tslint:disable-next-line: prefer-for-of
for (let eIndex = 0; eIndex < element.classList.length; eIndex++) {
const className = element.classList[eIndex];
if (blockClass.test(className)) {
return true;
}
}
}
if (blockSelector) {
return element.matches(blockSelector);
}
return false;
}
export function needMaskingText(
node: Node | null,
maskTextClass: string | RegExp,
maskTextSelector: string | null,
): boolean {
if (!node) {
return false;
}
if (node.nodeType === node.ELEMENT_NODE) {
if (typeof maskTextClass === 'string') {
if ((node as HTMLElement).classList.contains(maskTextClass)) {
return true;
}
} else {
(node as HTMLElement).classList.forEach((className) => {
if (maskTextClass.test(className)) {
return true;
}
});
}
if (maskTextSelector) {
if ((node as HTMLElement).matches(maskTextSelector)) {
return true;
}
}
return needMaskingText(node.parentNode, maskTextClass, maskTextSelector);
}
if (node.nodeType === node.TEXT_NODE) {
// check parent node since text node do not have class name
return needMaskingText(node.parentNode, maskTextClass, maskTextSelector);
}
return needMaskingText(node.parentNode, maskTextClass, maskTextSelector);
}
// https://stackoverflow.com/a/36155560
function onceIframeLoaded(
iframeEl: HTMLIFrameElement,
listener: () => unknown,
iframeLoadTimeout: number,
) {
const win = iframeEl.contentWindow;
if (!win) {
return;
}
// document is loading
let fired = false;
let readyState: DocumentReadyState;
try {
readyState = win.document.readyState;
} catch (error) {
return;
}
if (readyState !== 'complete') {
const timer = setTimeout(() => {
if (!fired) {
listener();
fired = true;
}
}, iframeLoadTimeout);
iframeEl.addEventListener('load', () => {
clearTimeout(timer);
fired = true;
listener();
});
return;
}
// check blank frame for Chrome
const blankUrl = 'about:blank';
if (
win.location.href !== blankUrl ||
iframeEl.src === blankUrl ||
iframeEl.src === ''
) {
// iframe was already loaded, make sure we wait to trigger the listener
// till _after_ the mutation that found this iframe has had time to process
setTimeout(listener, 0);
return;
}
// use default listener
iframeEl.addEventListener('load', listener);
}
function serializeNode(
n: Node,
options: {
doc: Document;
blockClass: string | RegExp;
blockSelector: string | null;
maskTextClass: string | RegExp;
maskTextSelector: string | null;
inlineStylesheet: boolean;
maskInputOptions: MaskInputOptions;
maskTextFn: MaskTextFn | undefined;
maskInputFn: MaskInputFn | undefined;
recordCanvas: boolean;
keepIframeSrcFn: KeepIframeSrcFn;
},
): serializedNode | false {
const {
doc,
blockClass,
blockSelector,
maskTextClass,
maskTextSelector,
inlineStylesheet,
maskInputOptions = {},
maskTextFn,
maskInputFn,
recordCanvas,
keepIframeSrcFn,
} = options;
// Only record root id when document object is not the base document
let rootId: number | undefined;
if ((doc as unknown as INode).__sn) {
const docId = (doc as unknown as INode).__sn.id;
rootId = docId === 1 ? undefined : docId;
}
switch (n.nodeType) {
case n.DOCUMENT_NODE:
return {
type: NodeType.Document,
childNodes: [],
rootId,
};
case n.DOCUMENT_TYPE_NODE:
return {
type: NodeType.DocumentType,
name: (n as DocumentType).name,
publicId: (n as DocumentType).publicId,
systemId: (n as DocumentType).systemId,
rootId,
};
case n.ELEMENT_NODE:
const needBlock = _isBlockedElement(
n as HTMLElement,
blockClass,
blockSelector,
);
const tagName = getValidTagName(n as HTMLElement);
let attributes: attributes = {};
for (const { name, value } of Array.from((n as HTMLElement).attributes)) {
attributes[name] = transformAttribute(doc, tagName, name, value);
}
// remote css
if (tagName === 'link' && inlineStylesheet) {
const stylesheet = Array.from(doc.styleSheets).find((s) => {
return s.href === (n as HTMLLinkElement).href;
});
const cssText = getCssRulesString(stylesheet as CSSStyleSheet);
if (cssText) {
delete attributes.rel;
delete attributes.href;
attributes._cssText = absoluteToStylesheet(
cssText,
stylesheet!.href!,
);
}
}
// dynamic stylesheet
if (
tagName === 'style' &&
(n as HTMLStyleElement).sheet &&
// TODO: Currently we only try to get dynamic stylesheet when it is an empty style element
!(
(n as HTMLElement).innerText ||
(n as HTMLElement).textContent ||
''
).trim().length
) {
const cssText = getCssRulesString(
(n as HTMLStyleElement).sheet as CSSStyleSheet,
);
if (cssText) {
attributes._cssText = absoluteToStylesheet(cssText, getHref());
}
}
// form fields
if (
tagName === 'input' ||
tagName === 'textarea' ||
tagName === 'select'
) {
const value = (n as HTMLInputElement | HTMLTextAreaElement).value;
if (
attributes.type !== 'radio' &&
attributes.type !== 'checkbox' &&
attributes.type !== 'submit' &&
attributes.type !== 'button' &&
value
) {
attributes.value = maskInputValue({
type: attributes.type,
tagName,
value,
maskInputOptions,
maskInputFn,
});
} else if ((n as HTMLInputElement).checked) {
attributes.checked = (n as HTMLInputElement).checked;
}
}
if (tagName === 'option') {
const selectValue = (n as HTMLOptionElement).parentElement;
if (attributes.value === (selectValue as HTMLSelectElement).value) {
attributes.selected = (n as HTMLOptionElement).selected;
}
}
// canvas image data
if (tagName === 'canvas' && recordCanvas) {
attributes.rr_dataURL = (n as HTMLCanvasElement).toDataURL();
}
// media elements
if (tagName === 'audio' || tagName === 'video') {
attributes.rr_mediaState = (n as HTMLMediaElement).paused
? 'paused'
: 'played';
attributes.rr_mediaCurrentTime = (n as HTMLMediaElement).currentTime;
}
// scroll
if ((n as HTMLElement).scrollLeft) {
attributes.rr_scrollLeft = (n as HTMLElement).scrollLeft;
}
if ((n as HTMLElement).scrollTop) {
attributes.rr_scrollTop = (n as HTMLElement).scrollTop;
}
// block element
if (needBlock) {
const { width, height } = (n as HTMLElement).getBoundingClientRect();
attributes = {
class: attributes.class,
rr_width: `${width}px`,
rr_height: `${height}px`,
};
}
// iframe
if (tagName === 'iframe' && !keepIframeSrcFn(attributes.src as string)) {
delete attributes.src;
}
return {
type: NodeType.Element,
tagName,
attributes,
childNodes: [],
isSVG: isSVGElement(n as Element) || undefined,
needBlock,
rootId,
};
case n.TEXT_NODE:
// The parent node may not be a html element which has a tagName attribute.
// So just let it be undefined which is ok in this use case.
const parentTagName =
n.parentNode && (n.parentNode as HTMLElement).tagName;
let textContent = (n as Text).textContent;
const isStyle = parentTagName === 'STYLE' ? true : undefined;
const isScript = parentTagName === 'SCRIPT' ? true : undefined;
if (isStyle && textContent) {
textContent = absoluteToStylesheet(textContent, getHref());
}
if (isScript) {
textContent = 'SCRIPT_PLACEHOLDER';
}
if (
!isStyle &&
!isScript &&
needMaskingText(n, maskTextClass, maskTextSelector) &&
textContent
) {
textContent = maskTextFn
? maskTextFn(textContent)
: textContent.replace(/[\S]/g, '*');
}
return {
type: NodeType.Text,
textContent: textContent || '',
isStyle,
rootId,
};
case n.CDATA_SECTION_NODE:
return {
type: NodeType.CDATA,
textContent: '',
rootId,
};
case n.COMMENT_NODE:
return {
type: NodeType.Comment,
textContent: (n as Comment).textContent || '',
rootId,
};
default:
return false;
}
}
function lowerIfExists(maybeAttr: string | number | boolean): string {
if (maybeAttr === undefined) {
return '';
} else {
return (maybeAttr as string).toLowerCase();
}
}
function slimDOMExcluded(
sn: serializedNode,
slimDOMOptions: SlimDOMOptions,
): boolean {
if (slimDOMOptions.comment && sn.type === NodeType.Comment) {
// TODO: convert IE conditional comments to real nodes
return true;
} else if (sn.type === NodeType.Element) {
if (
slimDOMOptions.script &&
(sn.tagName === 'script' ||
(sn.tagName === 'link' &&
sn.attributes.rel === 'preload' &&
sn.attributes.as === 'script'))
) {
return true;
} else if (
slimDOMOptions.headFavicon &&
((sn.tagName === 'link' && sn.attributes.rel === 'shortcut icon') ||
(sn.tagName === 'meta' &&
(lowerIfExists(sn.attributes.name).match(
/^msapplication-tile(image|color)$/,
) ||
lowerIfExists(sn.attributes.name) === 'application-name' ||
lowerIfExists(sn.attributes.rel) === 'icon' ||
lowerIfExists(sn.attributes.rel) === 'apple-touch-icon' ||
lowerIfExists(sn.attributes.rel) === 'shortcut icon')))
) {
return true;
} else if (sn.tagName === 'meta') {
if (
slimDOMOptions.headMetaDescKeywords &&
lowerIfExists(sn.attributes.name).match(/^description|keywords$/)
) {
return true;
} else if (
slimDOMOptions.headMetaSocial &&
(lowerIfExists(sn.attributes.property).match(/^(og|twitter|fb):/) || // og = opengraph (facebook)
lowerIfExists(sn.attributes.name).match(/^(og|twitter):/) ||
lowerIfExists(sn.attributes.name) === 'pinterest')
) {
return true;
} else if (
slimDOMOptions.headMetaRobots &&
(lowerIfExists(sn.attributes.name) === 'robots' ||
lowerIfExists(sn.attributes.name) === 'googlebot' ||
lowerIfExists(sn.attributes.name) === 'bingbot')
) {
return true;
} else if (
slimDOMOptions.headMetaHttpEquiv &&
sn.attributes['http-equiv'] !== undefined
) {
// e.g. X-UA-Compatible, Content-Type, Content-Language,
// cache-control, X-Translated-By
return true;
} else if (
slimDOMOptions.headMetaAuthorship &&
(lowerIfExists(sn.attributes.name) === 'author' ||
lowerIfExists(sn.attributes.name) === 'generator' ||
lowerIfExists(sn.attributes.name) === 'framework' ||
lowerIfExists(sn.attributes.name) === 'publisher' ||
lowerIfExists(sn.attributes.name) === 'progid' ||
lowerIfExists(sn.attributes.property).match(/^article:/) ||
lowerIfExists(sn.attributes.property).match(/^product:/))
) {
return true;
} else if (
slimDOMOptions.headMetaVerification &&
(lowerIfExists(sn.attributes.name) === 'google-site-verification' ||
lowerIfExists(sn.attributes.name) === 'yandex-verification' ||
lowerIfExists(sn.attributes.name) === 'csrf-token' ||
lowerIfExists(sn.attributes.name) === 'p:domain_verify' ||
lowerIfExists(sn.attributes.name) === 'verify-v1' ||
lowerIfExists(sn.attributes.name) === 'verification' ||
lowerIfExists(sn.attributes.name) === 'shopify-checkout-api-token')
) {
return true;
}
}
}
return false;
}
export function serializeNodeWithId(
n: Node | INode,
options: {
doc: Document;
map: idNodeMap;
blockClass: string | RegExp;
blockSelector: string | null;
maskTextClass: string | RegExp;
maskTextSelector: string | null;
skipChild: boolean;
inlineStylesheet: boolean;
maskInputOptions?: MaskInputOptions;
maskTextFn: MaskTextFn | undefined;
maskInputFn: MaskInputFn | undefined;
slimDOMOptions: SlimDOMOptions;
keepIframeSrcFn?: KeepIframeSrcFn;
recordCanvas?: boolean;
preserveWhiteSpace?: boolean;
onSerialize?: (n: INode) => unknown;
onIframeLoad?: (iframeINode: INode, node: serializedNodeWithId) => unknown;
iframeLoadTimeout?: number;
},
): serializedNodeWithId | null {
const {
doc,
map,
blockClass,
blockSelector,
maskTextClass,
maskTextSelector,
skipChild = false,
inlineStylesheet = true,
maskInputOptions = {},
maskTextFn,
maskInputFn,
slimDOMOptions,
recordCanvas = false,
onSerialize,
onIframeLoad,
iframeLoadTimeout = 5000,
keepIframeSrcFn = () => false,
} = options;
let { preserveWhiteSpace = true } = options;
const _serializedNode = serializeNode(n, {
doc,
blockClass,
blockSelector,
maskTextClass,
maskTextSelector,
inlineStylesheet,
maskInputOptions,
maskTextFn,
maskInputFn,
recordCanvas,
keepIframeSrcFn,
});
if (!_serializedNode) {
// TODO: dev only
console.warn(n, 'not serialized');
return null;
}
let id;
// Try to reuse the previous id
if ('__sn' in n) {
id = n.__sn.id;
} else if (
slimDOMExcluded(_serializedNode, slimDOMOptions) ||
(!preserveWhiteSpace &&
_serializedNode.type === NodeType.Text &&
!_serializedNode.isStyle &&
!_serializedNode.textContent.replace(/^\s+|\s+$/gm, '').length)
) {
id = IGNORED_NODE;
} else {
id = genId();
}
const serializedNode = Object.assign(_serializedNode, { id });
(n as INode).__sn = serializedNode;
if (id === IGNORED_NODE) {
return null; // slimDOM
}
map[id] = n as INode;
if (onSerialize) {
onSerialize(n as INode);
}
let recordChild = !skipChild;
if (serializedNode.type === NodeType.Element) {
recordChild = recordChild && !serializedNode.needBlock;
// this property was not needed in replay side
delete serializedNode.needBlock;
}
if (
(serializedNode.type === NodeType.Document ||
serializedNode.type === NodeType.Element) &&
recordChild
) {
if (
slimDOMOptions.headWhitespace &&
_serializedNode.type === NodeType.Element &&
_serializedNode.tagName === 'head'
// would impede performance: || getComputedStyle(n)['white-space'] === 'normal'
) {
preserveWhiteSpace = false;
}
const bypassOptions = {
doc,
map,
blockClass,
blockSelector,
maskTextClass,
maskTextSelector,
skipChild,
inlineStylesheet,
maskInputOptions,
maskTextFn,
maskInputFn,
slimDOMOptions,
recordCanvas,
preserveWhiteSpace,
onSerialize,
onIframeLoad,
iframeLoadTimeout,
keepIframeSrcFn,
};
for (const childN of Array.from(n.childNodes)) {
const serializedChildNode = serializeNodeWithId(childN, bypassOptions);
if (serializedChildNode) {
serializedNode.childNodes.push(serializedChildNode);
}
}
if (isElement(n) && n.shadowRoot) {
serializedNode.isShadowHost = true;
for (const childN of Array.from(n.shadowRoot.childNodes)) {
const serializedChildNode = serializeNodeWithId(childN, bypassOptions);
if (serializedChildNode) {
serializedChildNode.isShadow = true;
serializedNode.childNodes.push(serializedChildNode);
}
}
}
}
if (n.parentNode && isShadowRoot(n.parentNode)) {
serializedNode.isShadow = true;
}
if (
serializedNode.type === NodeType.Element &&
serializedNode.tagName === 'iframe'
) {
onceIframeLoaded(
n as HTMLIFrameElement,
() => {
const iframeDoc = (n as HTMLIFrameElement).contentDocument;
if (iframeDoc && onIframeLoad) {
const serializedIframeNode = serializeNodeWithId(iframeDoc, {
doc: iframeDoc,
map,
blockClass,
blockSelector,
maskTextClass,
maskTextSelector,
skipChild: false,
inlineStylesheet,
maskInputOptions,
maskTextFn,
maskInputFn,
slimDOMOptions,
recordCanvas,
preserveWhiteSpace,
onSerialize,
onIframeLoad,
iframeLoadTimeout,
keepIframeSrcFn,
});
if (serializedIframeNode) {
onIframeLoad(n as INode, serializedIframeNode);
}
}
},
iframeLoadTimeout,
);
}
return serializedNode;
}
function snapshot(
n: Document,
options?: {
blockClass?: string | RegExp;
blockSelector?: string | null;
maskTextClass?: string | RegExp;
maskTextSelector?: string | null;
inlineStylesheet?: boolean;
maskAllInputs?: boolean | MaskInputOptions;
maskTextFn?: MaskTextFn;
maskInputFn?: MaskTextFn;
slimDOM?: boolean | SlimDOMOptions;
recordCanvas?: boolean;
preserveWhiteSpace?: boolean;
onSerialize?: (n: INode) => unknown;
onIframeLoad?: (iframeINode: INode, node: serializedNodeWithId) => unknown;
iframeLoadTimeout?: number;
keepIframeSrcFn?: KeepIframeSrcFn;
},
): [serializedNodeWithId | null, idNodeMap] {
const {
blockClass = 'rr-block',
blockSelector = null,
maskTextClass = 'rr-mask',
maskTextSelector = null,
inlineStylesheet = true,
recordCanvas = false,
maskAllInputs = false,
maskTextFn,
maskInputFn,
slimDOM = false,
preserveWhiteSpace,
onSerialize,
onIframeLoad,
iframeLoadTimeout,
keepIframeSrcFn = () => false,
} = options || {};
const idNodeMap: idNodeMap = {};
const maskInputOptions: MaskInputOptions =
maskAllInputs === true
? {
color: true,
date: true,
'datetime-local': true,
email: true,
month: true,
number: true,
range: true,
search: true,
tel: true,
text: true,
time: true,
url: true,
week: true,
textarea: true,
select: true,
password: true,
}
: maskAllInputs === false
? {
password: true,
}
: maskAllInputs;
const slimDOMOptions: SlimDOMOptions =
slimDOM === true || slimDOM === 'all'
? // if true: set of sensible options that should not throw away any information
{
script: true,
comment: true,
headFavicon: true,
headWhitespace: true,
headMetaDescKeywords: slimDOM === 'all', // destructive
headMetaSocial: true,
headMetaRobots: true,
headMetaHttpEquiv: true,
headMetaAuthorship: true,
headMetaVerification: true,
}
: slimDOM === false
? {}
: slimDOM;
return [
serializeNodeWithId(n, {
doc: n,
map: idNodeMap,
blockClass,
blockSelector,
maskTextClass,
maskTextSelector,
skipChild: false,
inlineStylesheet,
maskInputOptions,
maskTextFn,
maskInputFn,
slimDOMOptions,
recordCanvas,
preserveWhiteSpace,
onSerialize,
onIframeLoad,
iframeLoadTimeout,
keepIframeSrcFn,
}),
idNodeMap,
];
}
export function visitSnapshot(
node: serializedNodeWithId,
onVisit: (node: serializedNodeWithId) => unknown,
) {
function walk(current: serializedNodeWithId) {
onVisit(current);
if (
current.type === NodeType.Document ||
current.type === NodeType.Element
) {
current.childNodes.forEach(walk);
}
}
walk(node);
}
export function cleanupSnapshot() {
// allow a new recording to start numbering nodes from scratch
_id = 1;
}
export default snapshot;