WebAssembly API Reference

WebAssembly API Reference v0.1.0-rc.10¶

Functions¶

generateCitations()¶

Convert markdown links to numbered citations.

[Example](https://example.com) becomes Example[1] with [1]: <https://example.com> in the reference list. Images ![alt](url) are preserved unchanged.

Signature:

function generateCitations(markdown: string): CitationResult

Parameters:

Name	Type	Required	Description
`markdown`	`string`	Yes	The markdown

Returns: CitationResult

createEngine()¶

Create a new crawl engine with the given configuration.

If config is null, uses CrawlConfig.default(). Returns an error if the configuration is invalid.

Signature:

function createEngine(config?: CrawlConfig): CrawlEngineHandle

Parameters:

Name	Type	Required	Description
`config`	`CrawlConfig \| null`	No	The configuration options

Returns: CrawlEngineHandle

Errors: Throws Error with a descriptive message.

scrape()¶

Scrape a single URL, returning extracted page data.

Signature:

function scrape(engine: CrawlEngineHandle, url: string): Promise<ScrapeResult>

Parameters:

Name	Type	Required	Description
`engine`	`CrawlEngineHandle`	Yes	The crawl engine handle
`url`	`string`	Yes	The URL to fetch

Returns: ScrapeResult

Errors: Throws Error with a descriptive message.

crawl()¶

Crawl a website starting from url, following links up to the configured depth.

Signature:

function crawl(engine: CrawlEngineHandle, url: string): Promise<CrawlResult>

Parameters:

Name	Type	Required	Description
`engine`	`CrawlEngineHandle`	Yes	The crawl engine handle
`url`	`string`	Yes	The URL to fetch

Returns: CrawlResult

Errors: Throws Error with a descriptive message.

mapUrls()¶

Discover all pages on a website by following links and sitemaps.

Signature:

function mapUrls(engine: CrawlEngineHandle, url: string): Promise<MapResult>

Parameters:

Name	Type	Required	Description
`engine`	`CrawlEngineHandle`	Yes	The crawl engine handle
`url`	`string`	Yes	The URL to fetch

Returns: MapResult

Errors: Throws Error with a descriptive message.

batchScrape()¶

Scrape multiple URLs concurrently.

Signature:

function batchScrape(engine: CrawlEngineHandle, urls: Array<string>): Promise<Array<BatchScrapeResult>>

Parameters:

Name	Type	Required	Description
`engine`	`CrawlEngineHandle`	Yes	The crawl engine handle
`urls`	`Array<string>`	Yes	The urls

Returns: Array<BatchScrapeResult>

batchCrawl()¶

Crawl multiple seed URLs concurrently, each following links to configured depth.

Signature:

function batchCrawl(engine: CrawlEngineHandle, urls: Array<string>): Promise<Array<BatchCrawlResult>>

Parameters:

Name	Type	Required	Description
`engine`	`CrawlEngineHandle`	Yes	The crawl engine handle
`urls`	`Array<string>`	Yes	The urls

Returns: Array<BatchCrawlResult>

Types¶

ActionResult¶

Result from a single page action execution.

Field	Type	Default	Description
`actionIndex`	`number`	—	Zero-based index of the action in the sequence.
`actionType`	`Str`	—	The type of action that was executed.
`success`	`boolean`	—	Whether the action completed successfully.
`data`	`unknown \| null`	`null`	Action-specific return data (screenshot bytes, JS return value, scraped HTML).
`error`	`string \| null`	`null`	Error message if the action failed.

ArticleMetadata¶

Article metadata extracted from article:* Open Graph tags.

Field	Type	Default	Description
`publishedTime`	`string \| null`	`null`	The article publication time.
`modifiedTime`	`string \| null`	`null`	The article modification time.
`author`	`string \| null`	`null`	The article author.
`section`	`string \| null`	`null`	The article section.
`tags`	`Array<string>`	`[]`	The article tags.

BatchCrawlResult¶

Result from a single URL in a batch crawl operation.

Field	Type	Default	Description
`url`	`string`	—	The seed URL that was crawled.
`result`	`CrawlResult \| null`	`null`	The crawl result, if successful.
`error`	`string \| null`	`null`	The error message, if the crawl failed.

BatchScrapeResult¶

Result from a single URL in a batch scrape operation.

Field	Type	Default	Description
`url`	`string`	—	The URL that was scraped.
`result`	`ScrapeResult \| null`	`null`	The scrape result, if successful.
`error`	`string \| null`	`null`	The error message, if the scrape failed.

BrowserConfig¶

Browser fallback configuration.

Field	Type	Default	Description
`mode`	`BrowserMode`	`BrowserMode.Auto`	When to use the headless browser fallback.
`endpoint`	`string \| null`	`null`	CDP WebSocket endpoint for connecting to an external browser instance.
`timeout`	`number`	`30000ms`	Timeout for browser page load and rendering (in milliseconds when serialized).
`wait`	`BrowserWait`	`BrowserWait.NetworkIdle`	Wait strategy after browser navigation.
`waitSelector`	`string \| null`	`null`	CSS selector to wait for when `wait` is `Selector`.
`extraWait`	`number \| null`	`null`	Extra time to wait after the wait condition is met.

Methods¶

default()¶

Signature:

static default(): BrowserConfig

CachedPage¶

Cached page data for HTTP response caching.

Field	Type	Default	Description
`url`	`string`	—	Url
`statusCode`	`number`	—	Status code
`contentType`	`string`	—	Content type
`body`	`string`	—	Body
`etag`	`string \| null`	`null`	Etag
`lastModified`	`string \| null`	`null`	Last modified
`cachedAt`	`number`	—	Cached at

CitationReference¶

Field	Type	Default	Description
`index`	`number`	—	Index
`url`	`string`	—	Url
`text`	`string`	—	Text

CitationResult¶

Result of citation conversion.

Field	Type	Default	Description
`content`	`string`	—	Markdown with links replaced by numbered citations.
`references`	`Array<CitationReference>`	`[]`	Numbered reference list: (index, url, text).

CookieInfo¶

Information about an HTTP cookie received from a response.

Field	Type	Default	Description
`name`	`string`	—	The cookie name.
`value`	`string`	—	The cookie value.
`domain`	`string \| null`	`null`	The cookie domain, if specified.
`path`	`string \| null`	`null`	The cookie path, if specified.

CrawlConfig¶

Configuration for crawl, scrape, and map operations.

Field	Type	Default	Description
`maxDepth`	`number \| null`	`null`	Maximum crawl depth (number of link hops from the start URL).
`maxPages`	`number \| null`	`null`	Maximum number of pages to crawl.
`maxConcurrent`	`number \| null`	`null`	Maximum number of concurrent requests.
`respectRobotsTxt`	`boolean`	`false`	Whether to respect robots.txt directives.
`userAgent`	`string \| null`	`null`	Custom user-agent string.
`stayOnDomain`	`boolean`	`false`	Whether to restrict crawling to the same domain.
`allowSubdomains`	`boolean`	`false`	Whether to allow subdomains when `stay_on_domain` is true.
`includePaths`	`Array<string>`	`[]`	Regex patterns for paths to include during crawling.
`excludePaths`	`Array<string>`	`[]`	Regex patterns for paths to exclude during crawling.
`customHeaders`	`Record<string, string>`	`{}`	Custom HTTP headers to send with each request.
`requestTimeout`	`number`	`30000ms`	Timeout for individual HTTP requests (in milliseconds when serialized).
`maxRedirects`	`number`	`10`	Maximum number of redirects to follow.
`retryCount`	`number`	`0`	Number of retry attempts for failed requests.
`retryCodes`	`Array<number>`	`[]`	HTTP status codes that should trigger a retry.
`cookiesEnabled`	`boolean`	`false`	Whether to enable cookie handling.
`auth`	`AuthConfig \| null`	`null`	Authentication configuration.
`maxBodySize`	`number \| null`	`null`	Maximum response body size in bytes.
`mainContentOnly`	`boolean`	`false`	Whether to extract only the main content from HTML pages.
`removeTags`	`Array<string>`	`[]`	CSS selectors for tags to remove from HTML before processing.
`mapLimit`	`number \| null`	`null`	Maximum number of URLs to return from a map operation.
`mapSearch`	`string \| null`	`null`	Search filter for map results (case-insensitive substring match on URLs).
`downloadAssets`	`boolean`	`false`	Whether to download assets (CSS, JS, images, etc.) from the page.
`assetTypes`	`Array<AssetCategory>`	`[]`	Filter for asset categories to download.
`maxAssetSize`	`number \| null`	`null`	Maximum size in bytes for individual asset downloads.
`browser`	`BrowserConfig`	—	Browser configuration.
`proxy`	`ProxyConfig \| null`	`null`	Proxy configuration for HTTP requests.
`userAgents`	`Array<string>`	`[]`	List of user-agent strings for rotation. If non-empty, overrides `user_agent`.
`captureScreenshot`	`boolean`	`false`	Whether to capture a screenshot when using the browser.
`downloadDocuments`	`boolean`	`true`	Whether to download non-HTML documents (PDF, DOCX, images, code, etc.) instead of skipping them.
`documentMaxSize`	`number \| null`	`null`	Maximum size in bytes for document downloads. Defaults to 50 MB.
`documentMimeTypes`	`Array<string>`	`[]`	Allowlist of MIME types to download. If empty, uses built-in defaults.
`warcOutput`	`string \| null`	`null`	Path to write WARC output. If `None`, WARC output is disabled.
`browserProfile`	`string \| null`	`null`	Named browser profile for persistent sessions (cookies, localStorage).
`saveBrowserProfile`	`boolean`	`false`	Whether to save changes back to the browser profile on exit.

Methods¶

default()¶

Signature:

static default(): CrawlConfig

validate()¶

Validate the configuration, returning an error if any values are invalid.

Signature:

validate(): void

CrawlEngineHandle¶

Opaque handle to a configured crawl engine.

Constructed via create_engine with an optional CrawlConfig. All default trait implementations (BFS strategy, in-memory frontier, per-domain throttle, etc.) are used internally.

CrawlPageResult¶

The result of crawling a single page during a crawl operation.

Field	Type	Default	Description
`url`	`string`	—	The original URL of the page.
`normalizedUrl`	`string`	—	The normalized URL of the page.
`statusCode`	`number`	—	The HTTP status code of the response.
`contentType`	`string`	—	The Content-Type header value.
`html`	`string`	—	The HTML body of the response.
`bodySize`	`number`	—	The size of the response body in bytes.
`metadata`	`PageMetadata`	—	Extracted metadata from the page.
`links`	`Array<LinkInfo>`	`[]`	Links found on the page.
`images`	`Array<ImageInfo>`	`[]`	Images found on the page.
`feeds`	`Array<FeedInfo>`	`[]`	Feed links found on the page.
`jsonLd`	`Array<JsonLdEntry>`	`[]`	JSON-LD entries found on the page.
`depth`	`number`	—	The depth of this page from the start URL.
`stayedOnDomain`	`boolean`	—	Whether this page is on the same domain as the start URL.
`wasSkipped`	`boolean`	—	Whether this page was skipped (binary or PDF content).
`isPdf`	`boolean`	—	Whether the content is a PDF.
`detectedCharset`	`string \| null`	`null`	The detected character set encoding.
`markdown`	`MarkdownResult \| null`	`null`	Markdown conversion of the page content.
`extractedData`	`unknown \| null`	`null`	Structured data extracted by LLM. Populated when using LlmExtractor.
`extractionMeta`	`ExtractionMeta \| null`	`null`	Metadata about the LLM extraction pass (cost, tokens, model).
`downloadedDocument`	`DownloadedDocument \| null`	`null`	Downloaded non-HTML document (PDF, DOCX, image, code, etc.).

CrawlResult¶

The result of a multi-page crawl operation.

Field	Type	Default	Description
`pages`	`Array<CrawlPageResult>`	`[]`	The list of crawled pages.
`finalUrl`	`string`	—	The final URL after following redirects.
`redirectCount`	`number`	—	The number of redirects followed.
`wasSkipped`	`boolean`	—	Whether any page was skipped during crawling.
`error`	`string \| null`	`null`	An error message, if the crawl encountered an issue.
`cookies`	`Array<CookieInfo>`	`[]`	Cookies collected during the crawl.
`normalizedUrls`	`Array<string>`	`[]`	Normalized URLs encountered during crawling (for deduplication counting).

Methods¶

uniqueNormalizedUrls()¶

Returns the count of unique normalized URLs encountered during crawling.

Signature:

uniqueNormalizedUrls(): number

DownloadedAsset¶

A downloaded asset from a page.

Field	Type	Default	Description
`url`	`string`	—	The original URL of the asset.
`contentHash`	`string`	—	The SHA-256 content hash of the asset.
`mimeType`	`string \| null`	`null`	The MIME type from the Content-Type header.
`size`	`number`	—	The size of the asset in bytes.
`assetCategory`	`AssetCategory`	`AssetCategory.Image`	The category of the asset.
`htmlTag`	`string \| null`	`null`	The HTML tag that referenced this asset (e.g., "link", "script", "img").

DownloadedDocument¶

A downloaded non-HTML document (PDF, DOCX, image, code file, etc.).

When the crawler encounters non-HTML content and download_documents is enabled, it downloads the raw bytes and populates this struct instead of skipping the resource.

Field	Type	Default	Description
`url`	`string`	—	The URL the document was fetched from.
`mimeType`	`Str`	—	The MIME type from the Content-Type header.
`content`	`Buffer`	—	Raw document bytes. Skipped during JSON serialization.
`size`	`number`	—	Size of the document in bytes.
`filename`	`Str \| null`	`null`	Filename extracted from Content-Disposition or URL path.
`contentHash`	`Str`	—	SHA-256 hex digest of the content.
`headers`	`Record<Str, Str>`	`{}`	Selected response headers.

ExtractionMeta¶

Metadata about an LLM extraction pass.

Field	Type	Default	Description
`cost`	`number \| null`	`null`	Estimated cost of the LLM call in USD.
`promptTokens`	`number \| null`	`null`	Number of prompt (input) tokens consumed.
`completionTokens`	`number \| null`	`null`	Number of completion (output) tokens generated.
`model`	`string \| null`	`null`	The model identifier used for extraction.
`chunksProcessed`	`number`	—	Number of content chunks sent to the LLM.

FaviconInfo¶

Information about a favicon or icon link.

Field	Type	Default	Description
`url`	`string`	—	The icon URL.
`rel`	`string`	—	The `rel` attribute (e.g., "icon", "apple-touch-icon").
`sizes`	`string \| null`	`null`	The `sizes` attribute, if present.
`mimeType`	`string \| null`	`null`	The MIME type, if present.

FeedInfo¶

Information about a feed link found on a page.

Field	Type	Default	Description
`url`	`string`	—	The feed URL.
`title`	`string \| null`	`null`	The feed title, if present.
`feedType`	`FeedType`	`FeedType.Rss`	The type of feed.

HeadingInfo¶

A heading element extracted from the page.

Field	Type	Default	Description
`level`	`number`	—	The heading level (1-6).
`text`	`string`	—	The heading text content.

HreflangEntry¶

An hreflang alternate link entry.

Field	Type	Default	Description
`lang`	`string`	—	The language code (e.g., "en", "fr", "x-default").
`url`	`string`	—	The URL for this language variant.

ImageInfo¶

Information about an image found on a page.

Field	Type	Default	Description
`url`	`string`	—	The image URL.
`alt`	`string \| null`	`null`	The alt text, if present.
`width`	`number \| null`	`null`	The width attribute, if present and parseable.
`height`	`number \| null`	`null`	The height attribute, if present and parseable.
`source`	`ImageSource`	`ImageSource.Img`	The source of the image reference.

InteractionResult¶

Result of executing a sequence of page interaction actions.

Field	Type	Default	Description
`actionResults`	`Array<ActionResult>`	`[]`	Results from each executed action.
`finalHtml`	`string`	—	Final page HTML after all actions completed.
`finalUrl`	`string`	—	Final page URL (may have changed due to navigation).
`screenshot`	`Buffer \| null`	`null`	Screenshot taken after all actions, if requested.

JsonLdEntry¶

A JSON-LD structured data entry found on a page.

Field	Type	Default	Description
`schemaType`	`string`	—	The `@type` value from the JSON-LD object.
`name`	`string \| null`	`null`	The `name` value, if present.
`raw`	`string`	—	The raw JSON-LD string.

LinkInfo¶

Information about a link found on a page.

Field	Type	Default	Description
`url`	`string`	—	The resolved URL of the link.
`text`	`string`	—	The visible text of the link.
`linkType`	`LinkType`	`LinkType.Internal`	The classification of the link.
`rel`	`string \| null`	`null`	The `rel` attribute value, if present.
`nofollow`	`boolean`	—	Whether the link has `rel="nofollow"`.

MapResult¶

The result of a map operation, containing discovered URLs.

Field	Type	Default	Description
`urls`	`Array<SitemapUrl>`	`[]`	The list of discovered URLs.

MarkdownResult¶

Rich markdown conversion result from HTML processing.

Field	Type	Default	Description
`content`	`string`	—	Converted markdown text.
`documentStructure`	`unknown \| null`	`null`	Structured document tree with semantic nodes.
`tables`	`Array<unknown>`	`[]`	Extracted tables with structured cell data.
`warnings`	`Array<string>`	`[]`	Non-fatal processing warnings.
`citations`	`CitationResult \| null`	`null`	Content with links replaced by numbered citations.
`fitContent`	`string \| null`	`null`	Content-filtered markdown optimized for LLM consumption.

PageMetadata¶

Metadata extracted from an HTML page's <meta> tags and <title> element.

Field	Type	Default	Description
`title`	`string \| null`	`null`	The page title from the `<title>` element.
`description`	`string \| null`	`null`	The meta description.
`canonicalUrl`	`string \| null`	`null`	The canonical URL from `<link rel="canonical">`.
`keywords`	`string \| null`	`null`	Keywords from `<meta name="keywords">`.
`author`	`string \| null`	`null`	Author from `<meta name="author">`.
`viewport`	`string \| null`	`null`	Viewport content from `<meta name="viewport">`.
`themeColor`	`string \| null`	`null`	Theme color from `<meta name="theme-color">`.
`generator`	`string \| null`	`null`	Generator from `<meta name="generator">`.
`robots`	`string \| null`	`null`	Robots content from `<meta name="robots">`.
`htmlLang`	`string \| null`	`null`	The `lang` attribute from the `<html>` element.
`htmlDir`	`string \| null`	`null`	The `dir` attribute from the `<html>` element.
`ogTitle`	`string \| null`	`null`	Open Graph title.
`ogType`	`string \| null`	`null`	Open Graph type.
`ogImage`	`string \| null`	`null`	Open Graph image URL.
`ogDescription`	`string \| null`	`null`	Open Graph description.
`ogUrl`	`string \| null`	`null`	Open Graph URL.
`ogSiteName`	`string \| null`	`null`	Open Graph site name.
`ogLocale`	`string \| null`	`null`	Open Graph locale.
`ogVideo`	`string \| null`	`null`	Open Graph video URL.
`ogAudio`	`string \| null`	`null`	Open Graph audio URL.
`ogLocaleAlternates`	`Array<string> \| null`	`[]`	Open Graph locale alternates.
`twitterCard`	`string \| null`	`null`	Twitter card type.
`twitterTitle`	`string \| null`	`null`	Twitter title.
`twitterDescription`	`string \| null`	`null`	Twitter description.
`twitterImage`	`string \| null`	`null`	Twitter image URL.
`twitterSite`	`string \| null`	`null`	Twitter site handle.
`twitterCreator`	`string \| null`	`null`	Twitter creator handle.
`dcTitle`	`string \| null`	`null`	Dublin Core title.
`dcCreator`	`string \| null`	`null`	Dublin Core creator.
`dcSubject`	`string \| null`	`null`	Dublin Core subject.
`dcDescription`	`string \| null`	`null`	Dublin Core description.
`dcPublisher`	`string \| null`	`null`	Dublin Core publisher.
`dcDate`	`string \| null`	`null`	Dublin Core date.
`dcType`	`string \| null`	`null`	Dublin Core type.
`dcFormat`	`string \| null`	`null`	Dublin Core format.
`dcIdentifier`	`string \| null`	`null`	Dublin Core identifier.
`dcLanguage`	`string \| null`	`null`	Dublin Core language.
`dcRights`	`string \| null`	`null`	Dublin Core rights.
`article`	`ArticleMetadata \| null`	`null`	Article metadata from `article:*` Open Graph tags.
`hreflangs`	`Array<HreflangEntry> \| null`	`[]`	Hreflang alternate links.
`favicons`	`Array<FaviconInfo> \| null`	`[]`	Favicon and icon links.
`headings`	`Array<HeadingInfo> \| null`	`[]`	Heading elements (h1-h6).
`wordCount`	`number \| null`	`null`	Computed word count of the page body text.

ProxyConfig¶

Proxy configuration for HTTP requests.

Field	Type	Default	Description
`url`	`string`	—	Proxy URL (e.g. "http://proxy:8080", "socks5://proxy:1080").
`username`	`string \| null`	`null`	Optional username for proxy authentication.
`password`	`string \| null`	`null`	Optional password for proxy authentication.

ResponseMeta¶

Response metadata extracted from HTTP headers.

Field	Type	Default	Description
`etag`	`string \| null`	`null`	The ETag header value.
`lastModified`	`string \| null`	`null`	The Last-Modified header value.
`cacheControl`	`string \| null`	`null`	The Cache-Control header value.
`server`	`string \| null`	`null`	The Server header value.
`xPoweredBy`	`string \| null`	`null`	The X-Powered-By header value.
`contentLanguage`	`string \| null`	`null`	The Content-Language header value.
`contentEncoding`	`string \| null`	`null`	The Content-Encoding header value.

ScrapeResult¶

The result of a single-page scrape operation.

Field	Type	Default	Description
`statusCode`	`number`	—	The HTTP status code of the response.
`contentType`	`string`	—	The Content-Type header value.
`html`	`string`	—	The HTML body of the response.
`bodySize`	`number`	—	The size of the response body in bytes.
`metadata`	`PageMetadata`	—	Extracted metadata from the page.
`links`	`Array<LinkInfo>`	`[]`	Links found on the page.
`images`	`Array<ImageInfo>`	`[]`	Images found on the page.
`feeds`	`Array<FeedInfo>`	`[]`	Feed links found on the page.
`jsonLd`	`Array<JsonLdEntry>`	`[]`	JSON-LD entries found on the page.
`isAllowed`	`boolean`	—	Whether the URL is allowed by robots.txt.
`crawlDelay`	`number \| null`	`null`	The crawl delay from robots.txt, in seconds.
`noindexDetected`	`boolean`	—	Whether a noindex directive was detected.
`nofollowDetected`	`boolean`	—	Whether a nofollow directive was detected.
`xRobotsTag`	`string \| null`	`null`	The X-Robots-Tag header value, if present.
`isPdf`	`boolean`	—	Whether the content is a PDF.
`wasSkipped`	`boolean`	—	Whether the page was skipped (binary or PDF content).
`detectedCharset`	`string \| null`	`null`	The detected character set encoding.
`mainContentOnly`	`boolean`	—	Whether main_content_only was active during extraction.
`authHeaderSent`	`boolean`	—	Whether an authentication header was sent with the request.
`responseMeta`	`ResponseMeta \| null`	`null`	Response metadata extracted from HTTP headers.
`assets`	`Array<DownloadedAsset>`	`[]`	Downloaded assets from the page.
`jsRenderHint`	`boolean`	—	Whether the page content suggests JavaScript rendering is needed.
`browserUsed`	`boolean`	—	Whether the browser fallback was used to fetch this page.
`markdown`	`MarkdownResult \| null`	`null`	Markdown conversion of the page content.
`extractedData`	`unknown \| null`	`null`	Structured data extracted by LLM. Populated when using LlmExtractor.
`extractionMeta`	`ExtractionMeta \| null`	`null`	Metadata about the LLM extraction pass (cost, tokens, model).
`screenshot`	`Buffer \| null`	`null`	Screenshot of the page as PNG bytes. Populated when browser is used and capture_screenshot is enabled.
`downloadedDocument`	`DownloadedDocument \| null`	`null`	Downloaded non-HTML document (PDF, DOCX, image, code, etc.).

SitemapUrl¶

A URL entry from a sitemap.

Field	Type	Default	Description
`url`	`string`	—	The URL.
`lastmod`	`string \| null`	`null`	The last modification date, if present.
`changefreq`	`string \| null`	`null`	The change frequency, if present.
`priority`	`string \| null`	`null`	The priority, if present.

Enums¶

BrowserMode¶

When to use the headless browser fallback.

Value	Description
`Auto`	Automatically detect when JS rendering is needed and fall back to browser.
`Always`	Always use the browser for every request.
`Never`	Never use the browser fallback.

BrowserWait¶

Wait strategy for browser page rendering.

Value	Description
`NetworkIdle`	Wait until network activity is idle.
`Selector`	Wait for a specific CSS selector to appear in the DOM.
`Fixed`	Wait for a fixed duration after navigation.

AuthConfig¶

Authentication configuration.

Value	Description
`Basic`	HTTP Basic authentication. — Fields: `username`: `string`, `password`: `string`
`Bearer`	Bearer token authentication. — Fields: `token`: `string`
`Header`	Custom authentication header. — Fields: `name`: `string`, `value`: `string`

LinkType¶

The classification of a link.

Value	Description
`Internal`	A link to the same domain.
`External`	A link to a different domain.
`Anchor`	A fragment-only link (e.g., `#section`).
`Document`	A link to a downloadable document (PDF, DOC, etc.).

ImageSource¶

The source of an image reference.

Value	Description
`Img`	An `<img>` tag.
`PictureSource`	A `<source>` tag inside `<picture>`.
`OgImage`	An `og:image` meta tag.
`TwitterImage`	A `twitter:image` meta tag.

FeedType¶

The type of a feed (RSS, Atom, or JSON Feed).

Value	Description
`Rss`	RSS feed.
`Atom`	Atom feed.
`JsonFeed`	JSON Feed.

AssetCategory¶

The category of a downloaded asset.

Value	Description
`Document`	A document file (PDF, DOC, etc.).
`Image`	An image file.
`Audio`	An audio file.
`Video`	A video file.
`Font`	A font file.
`Stylesheet`	A CSS stylesheet.
`Script`	A JavaScript file.
`Archive`	An archive file (ZIP, TAR, etc.).
`Data`	A data file (JSON, XML, CSV, etc.).
`Other`	An unrecognized asset type.

CrawlEvent¶

An event emitted during a streaming crawl operation.

Value	Description
`Page`	A single page has been crawled. — Fields: `0`: `CrawlPageResult`
`Error`	An error occurred while crawling a URL. — Fields: `url`: `string`, `error`: `string`
`Complete`	The crawl has completed. — Fields: `pagesCrawled`: `number`

Errors¶

CrawlError¶

Errors that can occur during crawling, scraping, or mapping operations.

Errors are thrown as plain Error objects with descriptive messages.

Variant	Description
`NotFound`	The requested page was not found (HTTP 404).
`Unauthorized`	The request was unauthorized (HTTP 401).
`Forbidden`	The request was forbidden (HTTP 403).
`WafBlocked`	The request was blocked by a WAF or bot protection (HTTP 403 with WAF indicators).
`Timeout`	The request timed out.
`RateLimited`	The request was rate-limited (HTTP 429).
`ServerError`	A server error occurred (HTTP 5xx).
`BadGateway`	A bad gateway error occurred (HTTP 502).
`Gone`	The resource is permanently gone (HTTP 410).
`Connection`	A connection error occurred.
`Dns`	A DNS resolution error occurred.
`Ssl`	An SSL/TLS error occurred.
`DataLoss`	Data was lost or truncated during transfer.
`BrowserError`	The browser failed to launch, connect, or navigate.
`BrowserTimeout`	The browser page load or rendering timed out.
`InvalidConfig`	The provided configuration is invalid.
`Other`	An unclassified error occurred.