* Get the default format state (all formatting off) * Mirrors RichTextEditorService.getDefaultFormatState() * * @returns Default RichTextFormatStat

* Get the default scroll state (scrolled to top) * * @param totalItems - Total number of items in the list * @param visibleItems - Number of items

Get the duration of the audio in seconds

* Resolves the effective CalendarObject using the fallback chain: * 1. Component @Input (highest priority) * 2. Global CalendarObject from Comet

Get the effective group (input or from ChatStateService)

* Calculates linear index from row and column. * Alias for positionToIndex. * * @param row - The row number * @param col - The column numb

* Queries all interactive elements within a root element. * Interactive elements are those with click handlers, role="button", * role="menuitem", ro

Determine leading view type for a message

Get the HTML media element

* Gets the unique ID for an option element * @param index - The index of the option * @returns string - The unique ID for the option

* Gets aria-label for a reaction pill including emoji, count, and user reaction status. * @see Requirements 18.5

* Get the count of remaining files (for +N indicator). * * @returns Count of files beyond the first one * @see Requirements 3.3

* Gets the tabindex for a reply button based on roving tabindex pattern. * Only the focused reply has tabindex="0", others have tabindex="-1". *

* Gets the current selection state.

Gets the current shared templates synchronously.

* Gets the tabindex for a starter button based on roving tabindex pattern. * Only the focused starter has tabindex="0", others have tabindex="-1".

Returns tabindex for a given list item index.

* Simulate toolbar button state based on format state * The toolbar button should reflect the format state * * **Validates: Requirements 1.3, 1.4**

Determine trailing view type

* Gets the valid (non-empty) options. * @returns Array of non-empty option values

* Handles errors by emitting the `error` output and invoking the `onError` callback. * * @param err - The error to handle * @see Requirement

* Handles errors by emitting the `error` output and invoking the `onError` callback. * * @param err - The error to handle * @see Requirement

* Replicates the tabAnnouncementEffect logic from CometChatHomeComponent. * When the active tab changes, announce the localized tab name.

* Check if a value uses a component-level variable as the outermost var()

Check if the given group is the currently active group.

Returns true if any chatId is currently streaming.

* Check if a value is purely hardcoded (no var() references)

* Check if a specific popup is open * * @param state - Current popup state * @param popupType - The popup type to check * @returns True if the spe

* Checks if a value is a simple/trivial fallback that doesn't need three tiers. * Values like `none`, `0`, `transparent`, `auto`, `inherit` are trivi

* Check if a hardcoded value is a "trivial" value that shouldn't be flagged

* Check if a selection is valid (start <= end, within bounds) * * @param selection - Selection range to validate * @param contentLength - Length of