ckeditor5_phoenix

export declare class RootValueSentinel {
    /**
     * The DOM element being observed for attribute changes.
     */
    private el;
    /**
     * The unique identifier of the editor instance this sentinel is attached to.
     */
    private readonly editorId;
    /**
     * The name of the specific root in a multi-root editor setup.
     */
    private readonly rootName;
    /**
     * The name of the HTML attribute storing the value.
     */
    private readonly valueAttrName;
    /**
     * The name of the HTML attribute storing the root attributes.
     */
    private readonly rootAttrsAttrName;
    /**
     * A flag indicating whether the sentinel has been destroyed, used to prevent operations after cleanup.
     */
    private isDestroyed;
    /**
     * Cleanup callbacks to be executed when the sentinel is destroyed.
     */
    private cleanupCallbacks;
    /**
     * The promise that resolves to the editor instance once it's registered.
     * It can be either a MultiRootEditor or a DecoupledEditor, depending on the type of editor being used.
     * It will be null if the editor is not registered yet or if the hook is being destroyed before the editor is registered.
     */
    private editorPromise;
    /**
     * When the editor is focused and the value attribute changes, we want to wait until it blurs to
     * avoid disrupting the user while typing. This variable holds the pending value that should be applied
     * once the editor blurs. It is set to null when there is no pending value or when the user makes changes in the editor,
     * indicating that the pending value should be discarded.
     */
    private pendingValue;
    /**
     * Cache the previous value to avoid reacting to attribute changes that don't actually change the value.
     * This can happen when the parent LiveView re-renders and sets the same value again, which would otherwise cause an
     * unnecessary update in the editor.
     */
    private previousValue;
    /**
     * Updater created once the editor is ready. Tracks which root attributes
     * were applied by this sentinel so it can clean them up independently of
     * other consumers.
     */
    private attrsUpdater;
    /**
     * When the hook is mounted, we will wait for the editor to be registered and then set the initial value of the root.
     * Accepts an options object to configure element, identifiers, and custom attribute names.
     */
    constructor({ el, editorId, rootName, valueAttrName, rootAttrsAttrName, }: RootValueSentinelOptions);
    /**
     * Helper to read and parse attributes from the element.
     * It uses dynamically provided attribute names.
     */
    private get attrs();
    /**
     * When the value attribute changes, we want to update the editor root value.
     * However, if the editor is focused, we want to wait until it blurs to avoid disrupting the user while typing.
     */
    updated(): Promise<void>;
    /**
     * Sets up focus-aware sync handlers on the editor.
     * Registers cleanup via onBeforeDestroy.
     */
    private setupSyncHandlers;
    /**
     * Sets the value of a specific root in the editor.
     */
    private setRootValue;
    /**
     * Disconnects the observer and cleans up editor event listeners.
     * This should be called manually when the element is removed from the DOM.
     */
    destroy(): void;
}
export type RootValueSentinelOptions = {
    /**
     * The DOM element being observed for attribute changes.
     */
    el: HTMLElement;
    /**
     * The unique identifier of the editor instance this sentinel is attached to.
     */
    editorId: string | null;
    /**
     * The name of the specific root in a multi-root editor setup.
     */
    rootName: string;
    /**
     * The name of the HTML attribute storing the value. Defaults to 'data-cke-value'.
     */
    valueAttrName?: string;
    /**
     * The name of the HTML attribute storing the root attributes. Defaults to 'data-cke-root-attrs'.
     */
    rootAttrsAttrName?: string;
};
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