feat(editor): life cycle ext (#10668)

blocksuite/framework/block-std/src/extension/editor-life-cycle.ts

@@ -0,0 +1,48 @@
+import { DisposableGroup, Slot } from '@blocksuite/global/slot';
+
+import type { BlockStdScope } from '../scope/block-std-scope';
+import { LifeCycleWatcher } from './lifecycle-watcher';
+
+export class EditorLifeCycleExtension extends LifeCycleWatcher {
+  static override key = 'editor-life-cycle';
+
+  disposables = new DisposableGroup();
+
+  readonly slots = {
+    created: new Slot(),
+    mounted: new Slot(),
+    rendered: new Slot(),
+    unmounted: new Slot(),
+  };
+
+  constructor(override readonly std: BlockStdScope) {
+    super(std);
+
+    this.disposables.add(this.slots.created);
+    this.disposables.add(this.slots.mounted);
+    this.disposables.add(this.slots.rendered);
+    this.disposables.add(this.slots.unmounted);
+  }
+
+  override created() {
+    super.created();
+    this.slots.created.emit();
+  }
+
+  override mounted() {
+    super.mounted();
+    this.slots.mounted.emit();
+  }
+
+  override rendered() {
+    super.rendered();
+    this.slots.rendered.emit();
+  }
+
+  override unmounted() {
+    super.unmounted();
+    this.slots.unmounted.emit();
+
+    this.disposables.dispose();
+  }
+}

blocksuite/framework/block-std/src/extension/index.ts

@@ -1,6 +1,7 @@
 export * from './block-view.js';
 export * from './config.js';
 export * from './dnd/index.js';
+export * from './editor-life-cycle.js';
 export * from './flavour.js';
 export * from './keymap.js';
 export * from './lifecycle-watcher.js';