Re-index tab numbers when a tab closes via its last pane exiting

README.md

@@ -47,7 +47,7 @@ Herdr previews each plugin and its build and runtime commands before confirming
 
 ![Herdr tabs labelled Dashboard 1, Editor 2, and Tests 3](docs/images/tab-numbers.png)
 
-The `sync` action re-indexes all named tabs. Creation, rename, move, and close events keep the numbers contiguous afterwards. See the [Tab Numbers documentation](plugins/tab-numbers) for behaviour and cleanup details.
+The `sync` action re-indexes all named tabs. Creation, rename, move, close, and pane-exit events keep the numbers contiguous afterwards. See the [Tab Numbers documentation](plugins/tab-numbers) for behaviour and cleanup details.
 
 ### Tmux Keybindings
 

plugins/tab-numbers/README.md

@@ -21,7 +21,7 @@ herdr plugin action invoke oullin.tab-numbers.sync
 | ------ | ---------------------------------------------------- | --------------------------------------------------------- |
 | Sync   | `herdr plugin action invoke oullin.tab-numbers.sync` | Re-index every named tab using its current display order. |
 
-The `tab.created`, `tab.renamed`, `tab.closed`, and `tab.moved` hooks keep the sequence contiguous after the initial synchronisation.
+The `tab.created`, `tab.renamed`, `tab.closed`, `tab.moved`, `pane.closed`, and `pane.exited` hooks keep the sequence contiguous after the initial synchronisation. The pane hooks cover tabs that close because their last shell exits, which Herdr reports without a `tab.closed` event.
 
 ## Behaviour
 

plugins/tab-numbers/herdr-plugin.toml

@@ -1,6 +1,6 @@
 id = "oullin.tab-numbers"
 name = "Tab Numbers"
-version = "0.1.7"
+version = "0.1.8"
 min_herdr_version = "0.7.0"
 description = "Show contiguous position numbers in named Herdr tab labels"
 platforms = ["linux", "macos", "windows"]
@@ -39,3 +39,11 @@ command = ["node", "index.ts"]
 [[events]]
 on = "tab.moved"
 command = ["node", "index.ts"]
+
+[[events]]
+on = "pane.closed"
+command = ["node", "index.ts"]
+
+[[events]]
+on = "pane.exited"
+command = ["node", "index.ts"]

plugins/tab-numbers/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@oullin/herdr-tab-numbers",
-  "version": "0.1.7",
+  "version": "0.1.8",
   "description": "Show contiguous position numbers in named Herdr tab labels.",
   "license": "MIT",
   "repository": {

plugins/tab-numbers/src/application/tab-numbers-plugin.ts

@@ -6,7 +6,7 @@ export type { Environment } from '@oullin/herdr-plugin-core';
 
 export class TabNumbersPlugin {
 	private static readonly singleTabEvents: ReadonlySet<string> = new Set(['tab.created', 'tab.renamed']);
-	private static readonly workspaceTabEvents: ReadonlySet<string> = new Set(['tab.closed', 'tab.moved']);
+	private static readonly workspaceTabEvents: ReadonlySet<string> = new Set(['tab.closed', 'tab.moved', 'pane.closed', 'pane.exited']);
 
 	private readonly synchroniser: TabNumberSynchroniser;
 

plugins/tab-numbers/tests/application/tab-numbers-plugin.test.ts

@@ -38,7 +38,7 @@ describe('TabNumbersPlugin', () => {
 		expect(client.renameCalls).toEqual([['w1:t7', 'new label · 3']]);
 	});
 
-	it.each(['tab.closed', 'tab.moved'])('reindexes the affected workspace for %s', (event) => {
+	it.each(['tab.closed', 'tab.moved', 'pane.closed'])('reindexes the affected workspace for %s', (event) => {
 		const client = new FakeHerdrClient({
 			tabsByWorkspace: new Map([
 				[

plugins/tab-numbers/tests/architecture/module-aliases.test.ts

@@ -82,7 +82,7 @@ describe('module aliases', () => {
 			'utf8',
 		);
 
-		expect(packageJson.version).toBe('0.1.7');
+		expect(packageJson.version).toBe('0.1.8');
 		expect(manifest).toContain(`version = "${packageJson.version}"`);
 	});
 });