Expose onEditorReady function

Author: cyanzhong

README.md

@@ -17,7 +17,7 @@ Add `markedit-api` to your (TypeScript) project's devDependencies:
 ```json
 {
   "devDependencies": {
-    "markedit-api": "https://github.com/MarkEdit-app/MarkEdit-api#v0.3.0"
+    "markedit-api": "https://github.com/MarkEdit-app/MarkEdit-api#v0.4.0"
   }
 }
 ```
@@ -40,6 +40,8 @@ interface MarkEdit {
   codemirror: { view, state, language, commands, search };
   // Lezer modules used by MarkEdit.
   lezer: { common, highlight, markdown, lr };
+  // Get notified when the editor is initialized.
+  onEditorReady: (listener: (editorView: EditorView) => void) => void;
   // Add an extension to MarkEdit.
   addExtension: (extension: Extension) => void;
   // Add a Markdown config to MarkEdit.

main.ts

@@ -1 +1 @@
-export const MarkEdit = {};
+export const MarkEdit = { /* stub */ };

markedit.d.ts

@@ -79,7 +79,13 @@ export interface MarkEdit {
      * The `@lezer/lr` module.
      */
     lr: typeof lezerLr;
-  },
+  };
+
+  /**
+   * Get notified when the editor is initialized.
+   * @param listener The callback function with the initialized editor instance.
+   */
+  onEditorReady: (listener: (editorView: EditorView) => void) => void;
 
   /**
    * Add an extension to MarkEdit.

package.json

@@ -1,6 +1,6 @@
 {
   "name": "markedit-api",
-  "version": "0.3.0",
+  "version": "0.4.0",
   "description": "Type definitions for the latest MakrEdit API.",
   "main": "main.ts",
   "types": "markedit.d.ts",