coreSystem variable

Add the the core system when creating systemf for your own plugins. This gives you access to the component core state and logic, like the visitors, the lexical nodes, and the publishers used to insert nodes in the editor.

Signature:

coreSystem: SystemSpec<[], (r: Realm) => {
    activeEditor: RealmNode<LexicalEditor | null>;
    inFocus: RealmNode<boolean>;
    historyState: RealmNode<HistoryState>;
    currentSelection: RealmNode<RangeSelection | null>;
    jsxIsAvailable: RealmNode<boolean>;
    jsxComponentDescriptors: RealmNode<JsxComponentDescriptor[]>;
    initialRootEditorState: RealmNode<InitialEditorStateType>;
    rootEditor: RealmNode<LexicalEditor | null>;
    createRootEditorSubscription: RealmNode<EditorSubscription>;
    createActiveEditorSubscription: RealmNode<EditorSubscription>;
    importVisitors: RealmNode<MdastImportVisitor<Mdast.Content>[]>;
    syntaxExtensions: RealmNode<Extension[]>;
    mdastExtensions: RealmNode<(Partial<Config> | Partial<Config>[])[] | null | undefined>;
    usedLexicalNodes: RealmNode<Klass<LexicalNode>[]>;
    addImportVisitor: RealmNode<MdastImportVisitor<Mdast.Content>>;
    addLexicalNode: RealmNode<Klass<LexicalNode>>;
    addSyntaxExtension: RealmNode<Extension>;
    addMdastExtension: RealmNode<Partial<Config> | Partial<Config>[]>;
    toMarkdownExtensions: RealmNode<Options[]>;
    toMarkdownOptions: RealmNode<Options>;
    addToMarkdownExtension: RealmNode<Options>;
    addExportVisitor: RealmNode<LexicalVisitor>;
    exportVisitors: RealmNode<LexicalVisitor[]>;
    initialMarkdown: RealmNode<string>;
    setMarkdown: RealmNode<string>;
    markdown: RealmNode<string>;
    markdownSignal: RealmNode<string>;
    editorRootElementRef: RealmNode<React.RefObject<HTMLDivElement> | null>;
    contentEditableClassName: RealmNode<string>;
    placeholder: RealmNode<React.ReactNode>;
    autoFocus: RealmNode<boolean | {
        defaultSelection?: "rootStart" | "rootEnd" | undefined;
        preventScroll?: boolean | undefined;
    }>;
    readOnly: RealmNode<boolean>;
    composerChildren: RealmNode<React.ComponentType<{}>[]>;
    addComposerChild: RealmNode<React.ComponentType<{}>>;
    topAreaChildren: RealmNode<React.ComponentType<{}>[]>;
    addTopAreaChild: RealmNode<React.ComponentType<{}>>;
    nestedEditorChildren: RealmNode<React.ComponentType<{}>[]>;
    addNestedEditorChild: RealmNode<React.ComponentType<{}>>;
    editorWrappers: RealmNode<React.ComponentType<{
        children: React.ReactNode;
    }>[]>;
    addEditorWrapper: RealmNode<React.ComponentType<{
        children: React.ReactNode;
    }>>;
    currentFormat: RealmNode<number>;
    editorInFocus: RealmNode<EditorInFocus | null>;
    applyFormat: RealmNode<TextFormatType>;
    currentBlockType: RealmNode<BlockType>;
    applyBlockType: RealmNode<BlockType>;
    convertSelectionToNode: RealmNode<() => ElementNode>;
    insertDecoratorNode: RealmNode<() => DecoratorNode<unknown>>;
    onBlur: RealmNode<FocusEvent>;
    iconComponentFor: RealmNode<(name: IconKey) => React.ReactNode>;
    markdownProcessingError: RealmNode<{
        error: string;
        source: string;
    } | null>;
    markdownErrorSignal: RealmNode<{
        error: string;
        source: string;
    }>;
}>