Add getFileInfo for file information

Author: cyanzhong

README.md

@@ -19,7 +19,7 @@ Add `markedit-api` to your (TypeScript) project's devDependencies:
 ```json
 {
   "devDependencies": {
-    "markedit-api": "https://github.com/MarkEdit-app/MarkEdit-api#v0.6.0"
+    "markedit-api": "https://github.com/MarkEdit-app/MarkEdit-api#v0.7.0"
   }
 }
 ```
@@ -44,6 +44,8 @@ interface MarkEdit {
   lezer: { common, highlight, markdown, lr };
   // Get notified when the editor is initialized.
   onEditorReady(listener: (editorView: EditorView) => void): void;
+  // Get information of the current file.
+  getFileInfo(): Promise<FileInfo | undefined>;
   // Add an extension to MarkEdit.
   addExtension(extension: Extension): void;
   // Add a Markdown config to MarkEdit.

markedit.d.ts

@@ -97,6 +97,12 @@ export interface MarkEdit {
    */
   onEditorReady(listener: (editorView: EditorView) => void): void;
 
+  /**
+   * Get information of the current file.
+   * @returns The file information, or undefined for unsaved new drafts.
+   */
+  getFileInfo(): Promise<FileInfo | undefined>;
+
   /**
    * Add an extension to MarkEdit.
    * @param extension CodeMirror extension.
@@ -210,6 +216,16 @@ export interface TextEditable {
   redo(): void;
 }
 
+/**
+ * Information of a file in the file system.
+ */
+export type FileInfo = {
+  filePath: string;
+  fileSize: number;
+  creationDate: Date;
+  modificationDate: Date;
+};
+
 /**
  * Represents a portion of text.
  */

package.json

@@ -1,6 +1,6 @@
 {
   "name": "markedit-api",
-  "version": "0.6.0",
+  "version": "0.7.0",
   "description": "Type definitions for the latest MakrEdit API.",
   "main": "main.ts",
   "types": "markedit.d.ts",