* Whether the field has been touched

* Utility to check if a value is a valid ID. * @static * @param {*} val - The value to test. * @returns {boolean} * @todo Add regex valida

A getter accessor.

The diagnostics collected so far, in insertion order.

* Gets the number of listeners for an event * * @param event - Event name * @returns Number of listeners

* Gets the number of listeners for an event * * @param event - Event name * @returns Number of listeners

Load this widget's data asynchronously.

* Log a message to the console. * @param {string} msg

* Emit a namespaced log line. * * @param {string} level - One of `"debug"`, `"info"`, `"warn"`, `"error"`. * @param {...*} args - Values to l

* Build a fresh job id namespaced to a queue. * * @static * @param {string} queueName - The owning queue's name. * @param {number} seq - A

* Plain-Markdown converter with the playground-fence pre-scan layered on. A * ```` ```js playground … ```` fence becomes a `<Playground>`-wrapped `co

* Measure how long a function takes to run. * * @param {Function} fn - The function to time. * @returns {number} Elapsed milliseconds.

* The de-dupe identity of a `<meta>` tag: the value of its first identifying * attribute (`charset`, then `name` / `property` / `http-equiv`), or `un

* Mounts the component

* Current high-resolution timestamp in milliseconds. * * @returns {number} Milliseconds since an arbitrary epoch.

* Pull the latest metrics for a queue. * * @summary Snapshot a queue's counters. * @desc Synonym of `@description`, demonstrated here on a st

* Removes an event listener * * @param event - Event type * @param handler - Event handler to remove

* Removes an event listener * * @param event - Event type * @param handler - Event handler to remove

* Removes an event listener * * @typeParam K - Event name type * @param event - Event name * @param handler - Handler function to remove

* Removes an event listener * * @typeParam K - Event name type * @param event - Event name * @param handler - Handler function to remove

* Adds an event listener * * @typeParam T - Event data type * @param event - Event type * @param handler - Event handler * @returns Fun

* Adds an event listener * * @typeParam T - Event data type * @param event - Event type * @param handler - Event handler * @returns Fun

* Adds an event listener * * @typeParam K - Event name type * @param event - Event name to listen for * @param handler - Handler function

* Adds a wildcard listener that receives all events * * @param handler - Handler function * @param options - Listener options * @returns S

* Adds a wildcard listener that receives all events * * @param handler - Handler function * @param options - Listener options * @returns S

* Called before component mounts

* Called before component unmounts

* Called before component updates * * @param prevProps - Previous props * @param nextProps - Next props

* Handle a task failure. Subclasses **must** implement this. * * @abstract * @param {Error} error - The error a task threw. * @returns {vo

* Called when an error occurs in the component * * @param error - The error that occurred

* Called when an error occurs in the component * * @param error - The error that occurred

* Called after component mounts

* Called when internal state changes * * @param prevState - Previous state * @param newState - New state * @virtual

* Called when internal state changes * * @param prevState - Previous state * @param newState - New state * @virtual

* Default no-op observer; replace via {@link Queue#observe}. * * @param {JobDescriptor} job - The job that transitioned. * @retur

* Called after component unmounts

* Called after component updates * * @param prevProps - Previous props

* Performs a PATCH request * * @typeParam T - Expected response data type * @typeParam D - Request body data type * @param path - Request

* Performs a PATCH request * * @typeParam T - Expected response data type * @typeParam D - Request body data type * @param path - Request

* Iterate over pending jobs in priority order without removing them. * * @generator * @yields {JobDescriptor} The next job, highest priority

* Performs a POST request * * @typeParam T - Expected response data type * @typeParam D - Request body data type * @param path - Request p

* Performs a POST request * * @typeParam T - Expected response data type * @typeParam D - Request body data type * @param path - Request p

Prevents default behavior

* The first concrete family in a CSS font stack — unquoted and trimmed. Returns * '' when the stack leads with a generic keyword (e.g. the default `m

* Processes a data stream asynchronously. * @async * @param {string[]} data - Array of strings to process. * @returns {Promise<number>} The t

* Gets the current props

* Gets the current props

* Performs a PUT request * * @typeParam T - Expected response data type * @typeParam D - Request body data type * @param path - Request pa

* Performs a PUT request * * @typeParam T - Expected response data type * @typeParam D - Request body data type * @param path - Request pa

Quote a single argv part for a shell command string when it contains whitespace.

* Records a login event * * @internal

* Records a login event * * @internal

* Assign slugified `id`s to heading elements so the rendered anchors line up * 1:1 with the TOC entries setu emitted. This MIRRORS setu's `extractHea

* Remove a single entry. * * @deprecated Since 1.2.0 — prefer {@link Cache#clear} or let entries expire * via `ttl`. This method will be re

* Removes a product from the collection * * @param productId - ID of product to remove * @returns True if product was removed

* Removes a product from the collection * * @param productId - ID of product to remove * @returns True if product was removed

* Remove a job by id. * * @method remove * @param {string} id - The id of the job to drop. * @returns {boolean} `true` if a job was remove