From 68c2c3482878ad7e623b466a3b3c8769af4f97a1 Mon Sep 17 00:00:00 2001
From: zanminkian <hellozmj@qq.com>
Date: Sun, 15 Dec 2024 14:27:47 +0000
Subject: [PATCH] refactor: optimize action

---
 eslint.config.js            |  8 +-------
 packages/tscx/src/action.ts | 39 ++++++++++++++++++++++++-------------
 2 files changed, 26 insertions(+), 21 deletions(-)

diff --git a/eslint.config.js b/eslint.config.js
index 646d7b9..f9ad423 100644
--- a/eslint.config.js
+++ b/eslint.config.js
@@ -6,12 +6,6 @@ export default new Builder()
   .enablePackagejson()
   .enableJavascript()
   .enableTypescript({
-    omit: [
-      "@fenge/no-restricted-loops",
-      "@typescript-eslint/no-floating-promises",
-      "es-x/no-top-level-await",
-      "unicorn/no-process-exit",
-      "no-console",
-    ],
+    omit: ["@fenge/no-restricted-loops", "no-console"],
   })
   .toConfig();
diff --git a/packages/tscx/src/action.ts b/packages/tscx/src/action.ts
index 8a8169a..4a162c2 100644
--- a/packages/tscx/src/action.ts
+++ b/packages/tscx/src/action.ts
@@ -17,17 +17,9 @@ export class Action {
     this.compiler = new Compiler(options);
   }
 
-  private setupWatcher() {
-    const include = this.compiler.getInclude() ?? [];
-    const watchFiles =
-      include.length <= 0
-        ? [process.cwd()]
-        : include
-            .map((i) => path.resolve(process.cwd(), i))
-            .concat(path.resolve(process.cwd(), this.options.project));
-
+  private watch(paths: string[]) {
     this.watcher = chokidar
-      .watch(watchFiles, {
+      .watch(paths, {
         ignored: [
           "**/node_modules/**",
           "**/.git/**",
@@ -41,6 +33,29 @@ export class Action {
       .on("ready", () => this.cb());
   }
 
+  private setupWatcher() {
+    const include = this.compiler.getInclude() ?? [];
+    const watchFiles =
+      include.length <= 0
+        ? [process.cwd()]
+        : include
+            .map((i) => path.resolve(process.cwd(), i))
+            .concat(path.resolve(process.cwd(), this.options.project));
+
+    if (this.watcher) {
+      // If this method throw an error (I mean the promise rejected), the process will exit with non-zero code.
+      // See https://github.com/zanminkian/zanminkian.github.io/issues/54
+      this.watcher.close().then(
+        () => this.watch(watchFiles),
+        (e) => {
+          throw new Error("Close watcher fail!", { cause: e });
+        },
+      );
+    } else {
+      this.watch(watchFiles);
+    }
+  }
+
   private cb(filepath?: string) {
     console.log("File changes detected", filepath);
     // user edit non-tsconfig files
@@ -66,10 +81,6 @@ export class Action {
       );
       return;
     }
-    this.watcher?.close().catch((e) => {
-      console.error("Close watcher fail!", e);
-      process.exit(1);
-    });
     this.setupWatcher();
     this.lastUpdateTsconfigTime = now;
   }