From 34ef996197443dcd2b51987731537314d9831a57 Mon Sep 17 00:00:00 2001
From: Lexus Drumgold <unicornware@flexdevelopment.llc>
Date: Fri, 7 Apr 2023 22:16:14 -0400
Subject: [PATCH] fix(cli): terminate `watch` mode via esbuild

- https://esbuild.github.io/api/#watch

Signed-off-by: Lexus Drumgold <unicornware@flexdevelopment.llc>
---
 package.json                                  |  1 +
 src/cli/index.ts                              | 14 ++++++++--
 .../__snapshots__/plugin.integration.snap     | 27 ++++++++++++++-----
 yarn.lock                                     |  8 ++++++
 4 files changed, 42 insertions(+), 8 deletions(-)

diff --git a/package.json b/package.json
index e6e2b621..e4eb88f7 100644
--- a/package.json
+++ b/package.json
@@ -169,6 +169,7 @@
     "jsonc-eslint-parser": "2.2.0",
     "lint-staged": "13.2.0",
     "memfs": "3.5.0",
+    "mri": "1.2.0",
     "nest-commander": "3.6.1",
     "nest-commander-testing": "3.1.0",
     "node-notifier": "10.0.1",
diff --git a/src/cli/index.ts b/src/cli/index.ts
index 44d8a7a1..431ee73a 100644
--- a/src/cli/index.ts
+++ b/src/cli/index.ts
@@ -5,6 +5,7 @@
  * @module mkbuild/cli
  */
 
+import mri from 'mri'
 import { CommandFactory } from 'nest-commander'
 import AppModule from './app.module'
 import { CLI_NAME } from './constants'
@@ -26,6 +27,15 @@ async function main(): Promise<void> {
   }))
 }
 
-// run application and exit
+// run application
 void (await main())
-process.exit()
+
+// check if watch mode is enabled
+const { watch } = mri<{ watch: boolean }>(process.argv.slice(2), {
+  alias: { watch: 'w' },
+  boolean: ['watch'],
+  default: { write: false }
+})
+
+// exit if watch mode is not enabled
+!watch && process.exit()
diff --git a/src/plugins/fully-specified/__snapshots__/plugin.integration.snap b/src/plugins/fully-specified/__snapshots__/plugin.integration.snap
index f088216a..3a9d887c 100644
--- a/src/plugins/fully-specified/__snapshots__/plugin.integration.snap
+++ b/src/plugins/fully-specified/__snapshots__/plugin.integration.snap
@@ -2,10 +2,25 @@
 
 exports[`integration:plugins/fully-specified > esbuild > should fill specifiers in output files 1`] = `
 [
+  {
+    "assertion": "",
+    "code": "import mri from \\"mri\\"",
+    "end": 41,
+    "imports": [
+      "mri",
+    ],
+    "kind": "import",
+    "specifier": "mri",
+    "specifier_kind": "bare",
+    "specifier_syntax": "static",
+    "start": 20,
+    "syntax": "default",
+    "type": false,
+  },
   {
     "assertion": "",
     "code": "import { CommandFactory } from \\"nest-commander\\"",
-    "end": 67,
+    "end": 90,
     "imports": [
       "CommandFactory",
     ],
@@ -13,14 +28,14 @@ exports[`integration:plugins/fully-specified > esbuild > should fill specifiers
     "specifier": "nest-commander",
     "specifier_kind": "bare",
     "specifier_syntax": "static",
-    "start": 20,
+    "start": 43,
     "syntax": "named",
     "type": false,
   },
   {
     "assertion": "",
     "code": "import AppModule from \\"./app.module.mjs\\"",
-    "end": 109,
+    "end": 132,
     "imports": [
       "AppModule",
     ],
@@ -28,14 +43,14 @@ exports[`integration:plugins/fully-specified > esbuild > should fill specifiers
     "specifier": "./app.module.mjs",
     "specifier_kind": "relative",
     "specifier_syntax": "static",
-    "start": 69,
+    "start": 92,
     "syntax": "default",
     "type": false,
   },
   {
     "assertion": "",
     "code": "import { CLI_NAME } from \\"./constants.mjs\\"",
-    "end": 153,
+    "end": 176,
     "imports": [
       "CLI_NAME",
     ],
@@ -43,7 +58,7 @@ exports[`integration:plugins/fully-specified > esbuild > should fill specifiers
     "specifier": "./constants.mjs",
     "specifier_kind": "relative",
     "specifier_syntax": "static",
-    "start": 111,
+    "start": 134,
     "syntax": "named",
     "type": false,
   },
diff --git a/yarn.lock b/yarn.lock
index 7baa344e..d3cf3b8e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1192,6 +1192,7 @@ __metadata:
     lint-staged: "npm:13.2.0"
     memfs: "npm:3.5.0"
     merge-anything: "npm:5.1.4"
+    mri: "npm:1.2.0"
     nest-commander: "npm:3.6.1"
     nest-commander-testing: "npm:3.1.0"
     node-notifier: "npm:10.0.1"
@@ -6753,6 +6754,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"mri@npm:1.2.0":
+  version: 1.2.0
+  resolution: "mri@npm:1.2.0"
+  checksum: f459cd82edbe77b6296cc59a5005c351cd52f6a6d733539ae91f6dbc61a23c6e558bf9dea2703212b2caf1b0803852f357325612ba848795686577432740bd49
+  languageName: node
+  linkType: hard
+
 "mrmime@npm:^1.0.0":
   version: 1.0.1
   resolution: "mrmime@npm:1.0.1"