fix(gatsby): Silence process.send Error (#32744)

(cherry picked from commit 5d7831d)
gatsbyjs · Aug 9, 2021 · 2c48d48 · 2c48d48
1 parent 115e631
commit 2c48d48
Showing 1 changed file with 13 additions and 6 deletions.
diff --git a/packages/gatsby/src/commands/develop.ts b/packages/gatsby/src/commands/develop.ts
@@ -130,13 +130,20 @@ class ControllableScript {
       if (signal) {
         this.process.kill(signal)
       } else {
-        this.process.send({
-          type: `COMMAND`,
-          action: {
-            type: `EXIT`,
-            payload: code,
+        this.process.send(
+          {
+            type: `COMMAND`,
+            action: {
+              type: `EXIT`,
+              payload: code,
+            },
           },
-        })
+          () => {
+            // The try/catch won't suffice for this process.send
+            // So use the callback to manually catch the Error, otherwise it'll be thrown
+            // Ref: https://nodejs.org/api/child_process.html#child_process_subprocess_send_message_sendhandle_options_callback
+          }
+        )
       }
     } catch (err) {
       // Ignore error if process has crashed or already quit.