fix: resolve TypeScript errors in frontend build

node_modules/@tiptap/extensions/dist/placeholder/index.d.cts

@@ -0,0 +1,71 @@
+import { Editor, Extension } from '@tiptap/core';
+import { Node } from '@tiptap/pm/model';
+
+/**
+ * Prepares the placeholder attribute by ensuring it is properly formatted.
+ * @param attr - The placeholder attribute string.
+ * @returns The prepared placeholder attribute string.
+ */
+declare function preparePlaceholderAttribute(attr: string): string;
+interface PlaceholderOptions {
+    /**
+     * **The class name for the empty editor**
+     * @default 'is-editor-empty'
+     */
+    emptyEditorClass: string;
+    /**
+     * **The class name for empty nodes**
+     * @default 'is-empty'
+     */
+    emptyNodeClass: string;
+    /**
+     * **The data-attribute used for the placeholder label**
+     * Will be prepended with `data-` and converted to kebab-case and cleaned of special characters.
+     * @default 'placeholder'
+     */
+    dataAttribute: string;
+    /**
+     * **The placeholder content**
+     *
+     * You can use a function to return a dynamic placeholder or a string.
+     * @default 'Write something …'
+     */
+    placeholder: ((PlaceholderProps: {
+        editor: Editor;
+        node: Node;
+        pos: number;
+        hasAnchor: boolean;
+    }) => string) | string;
+    /**
+     * **Checks if the placeholder should be only shown when the editor is editable.**
+     *
+     * If true, the placeholder will only be shown when the editor is editable.
+     * If false, the placeholder will always be shown.
+     * @default true
+     */
+    showOnlyWhenEditable: boolean;
+    /**
+     * **Checks if the placeholder should be only shown when the current node is empty.**
+     *
+     * If true, the placeholder will only be shown when the current node is empty.
+     * If false, the placeholder will be shown when any node is empty.
+     * @default true
+     */
+    showOnlyCurrent: boolean;
+    /**
+     * **Controls if the placeholder should be shown for all descendents.**
+     *
+     * If true, the placeholder will be shown for all descendents.
+     * If false, the placeholder will only be shown for the current node.
+     * @default false
+     */
+    includeChildren: boolean;
+}
+/**
+ * This extension allows you to add a placeholder to your editor.
+ * A placeholder is a text that appears when the editor or a node is empty.
+ * @see https://www.tiptap.dev/api/extensions/placeholder
+ */
+declare const Placeholder: Extension<PlaceholderOptions, any>;
+
+export { Placeholder, type PlaceholderOptions, preparePlaceholderAttribute };