shims-tiptap-extensions.d.ts

declare module 'tiptap-extensions' {
  import { Extension, Node, Mark } from "tiptap";
  import { NodeSpec } from "prosemirror-model";

  export interface PlaceholderOptions {
    emptyNodeClass?: string,
    emptyNodeText?: string,
    showOnlyWhenEditable?: boolean,
    showOnlyCurrent?: boolean,
    emptyEditorClass: string

  }
  export class Placeholder extends Extension {
    constructor(options?: PlaceholderOptions);
  }

  export interface TrailingNodeOptions {
    /**
     * Node to be at the end of the document
     *
     * defaults to 'paragraph'
     */
    node: string;
    /**
     * The trailing node will not be displayed after these specified nodes.
     */
    notAfter: string[];
  }
  export class TrailingNode extends Extension {
    constructor(options?: TrailingNodeOptions);
  }

  export interface HeadingOptions {
    levels?: number[],
  }

  export class History extends Extension { }
  export class Underline extends Mark { }
  export class Strike extends Mark { }
  export class Italic extends Mark { }
  export class Bold extends Mark { }
  export class BulletList extends Node { }
  export class ListItem extends Node { }
  export class OrderedList extends Node { }
  export class HardBreak extends Node { }
  export class Blockquote extends Node { }
  export class CodeBlock extends Node { }
  export class TodoItem extends Node { }
  export class Code extends Node { }
  export class HorizontalRule extends Node { }
  export class Link extends Node { }
  export class TodoList extends Node { }


  export class Heading extends Node {
    constructor(options?: HeadingOptions);
  }

  export class Table extends Node { }
  export class TableCell extends Node { }
  export class TableRow extends Node { }
  export class TableHeader extends Node { }
}

I have added some missing extensions, if you'd like to update this gist.

https://gist.github.com/larvanitis/e42ff1b41ff4ad960bf40cf76de72537