History

The thread list of the chat history interface, available as client.workflows.history. Lists the user's past conversation threads, page by page as the list scrolls, and works with the conversation workflow (client.workflows.conversation) to show the selected thread.

Threads are listed in groups: all threads ('all'), favorited ones ('favorite'), and the rest ('unfavorite').

Instance properties

workflow.destroyed

Whether the workflow is destroyed.

Type: boolean

workflow.exhausted

Whether no more threads will be loaded into the list, as the list is complete, or a page failed to load.

Type: boolean

workflow.selectedId

The ID of the selected thread.

Type: string or undefined

workflow.states

The current states of the workflow, by field name, such as data. For debugging.

Type: Object

workflow.status

The status of the data: initial, loading, ready, or erroneous.

Type: string or undefined

workflow.threads

The listed threads, of all groups. Same as getThreads('all').

Type: Object[]

workflow.trackers

The trackers of the workflow, which track impressions, viewables, and clicks of the rendered items.

Type: Object

workflow.views

The views of the workflow: the elements bound to it, by role.

Type: Object

Instance methods

workflow.clearApi()

Remove the API options set by useApi().

Returns this.

workflow.clearDataProcessor()

Remove the functions added by useDataProcessor().

Returns this.

workflow.clearInteractions()

Remove the interaction options set by useInteractions().

Returns this.

workflow.clearLayouts()

Remove the layout options set by useLayouts().

Returns this.

workflow.clearPagination()

Remove the pagination options set by usePagination().

Returns this.

workflow.clearTrackers()

Remove the tracker options set by useTrackers().

Returns this.

workflow.delete(threadIds)

Delete one or more threads.

Parameter Type Description
threadIds string or string[] A thread ID, or an array of them.

workflow.deleteAll()

Delete all threads of the user.

workflow.favorite(threadId, [value])

Add a thread to, or remove it from, the favorites. This sets the state rather than toggling it.

Parameter Type Description
threadId string The thread ID.
value boolean true to favorite, false to unfavorite. Default true. Optional.

workflow.get(threadId)

Get a listed thread by its thread ID.

Parameter Type Description
threadId string The thread ID.

Returns Object or undefined.

workflow.getThreads([group])

Get the listed threads of a group.

Parameter Type Description
group string 'all', 'favorite', or 'unfavorite'. Default 'all'. Optional.

Returns Object[].

workflow.isExhausted([group])

Whether no more threads will be loaded into a group, like exhausted.

Parameter Type Description
group string 'all', 'favorite', or 'unfavorite'. Default 'all'. Optional.

Returns boolean.

workflow.markAsRead(threadId)

Mark a thread as read.

Parameter Type Description
threadId string The thread ID.

workflow.notifyViewUpdate(role, [state])

Tell the workflow that a view of a role is rendered, when the view is rendered by your own code. Lifecycle events are emitted off the view of the main role.

Parameter Type Description
role string The role.
state Object The view state. Status defaults to ready. Optional.

Returns this.

workflow.on(name, callback)

Listen to an event.

Parameter Type Description
name string The event name, or '*' for all events.
callback function Called with (data, meta) on every event, where meta carries the event name and the timestamp ts.

Returns function: A function to remove the listener.

workflow.once(name)

Wait for the next occurrence of an event.

Parameter Type Description
name string The event name.

Returns Promise<{data: *, meta: Object}>: The event, with its data and meta.

workflow.rename(threadId, title)

Rename a thread.

Parameter Type Description
threadId string The thread ID.
title string The new title.

workflow.restart()

Start a new session, discarding the data of the current one, along with any API call in progress.

Returns this.

workflow.select(threadId)

Select a thread, and show it in the conversation panel.

Parameter Type Description
threadId string The thread ID.

Returns this.

workflow.start()

Load the thread list. Does nothing if the list is already loaded or loading. To reload from scratch, call restart() then start().

Returns this.

workflow.subscribe(threadId)

Subscribe to answer updates of a thread.

Parameter Type Description
threadId string The thread ID.

workflow.unsubscribe(threadId)

Unsubscribe from answer updates of a thread. An unsubscribed thread is no longer presented as unread.

Parameter Type Description
threadId string The thread ID.

workflow.updateData(data)

Update the workflow with data from your own source, instead of calling the API. The data must carry the current session, or it is ignored.

Parameter Type Description
data Object
data.session Object The current session, workflow.session.
data.value * The data value, in the shape of the API response. Optional.
data.error Object The error, if the data failed to load. Optional.

Returns this.

Throws Error: If data or its session is missing.

workflow.updateData({ session: workflow.session, value: response });

workflow.useApi([name], [payload])

Set the API to call, and extra payload to send with each request.

Parameter Type Description
name string or Object or false The API name, such as 'questions', or with its group, such as 'ask/questions'. Pass the payload object alone to keep the API, or false to stop calling the API, so you can provide data by updateData() instead. Optional.
payload Object Extra payload, merged into the request payload. Optional.

Returns this.

workflow.useApi("ask/questions", { source_fl: ["title", "url"] });

workflow.useDataProcessor(fns)

Add functions to process the data before it is rendered. They run in the order they are added.

Parameter Type Description
fns function or function()[] Functions taking (data, oldData) and returning the processed data.

Returns this.

workflow.useInteractions(options)

Set how interactions are sent.

Parameter Type Description
options Object or false Pass false to stop sending interactions.
options.preprocess function or function()[] Functions taking the interaction payload and returning the modified one, run before it is sent. Optional.
options.handle function A function taking the interaction payload, to send it yourself instead. Optional.

Returns this.

workflow.useLayouts(options)

Set the layouts, by role.

Parameter Type Description
options Object or false The layout of each role, as a layout name, layout options, or [name, options]. Pass false to stop rendering.

Returns this.

workflow.useLayouts({
  query: { placeholder: "Ask a question" },
  products: "list",
});

workflow.usePagination(options)

Set the pagination options.

Parameter Type Description
options Object or boolean true or false to turn pagination on or off, or the options, such as active and mode.

Returns this.

workflow.useTrackers(options)

Set the trackers, by role.

Parameter Type Description
options Object or boolean true or false to turn all trackers on or off, or the options of each role: active, and the options of each event type, impression, viewable (area and duration), and click (lenient).

Returns this.

workflow.useTrackers({ products: { viewable: { duration: 2000 } } });