allow custom NODE_OPTIONS and DEBUG on child

homebridge · Apr 7, 2024 · ec0466b · ec0466b
1 parent febf860
commit ec0466b
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Showing 2 changed files with 23 additions and 4 deletions.
diff --git a/src/bridgeService.ts b/src/bridgeService.ts
@@ -15,7 +15,8 @@ import {
   Bridge,
   Categories,
   Characteristic,
-  CharacteristicEventTypes, CharacteristicWarning,
+  CharacteristicEventTypes,
+  CharacteristicWarning,
   CharacteristicWarningType,
   InterfaceName,
   IPAddress,
@@ -59,6 +60,10 @@ export interface BridgeConfiguration {
   model?: string;
   disableIpc?: boolean;
   firmwareRevision?: string;
+  env?: {
+    NODE_OPTIONS?: string;
+    DEBUG?: string;
+  };
 }
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any

diff --git a/src/childBridgeService.ts b/src/childBridgeService.ts
@@ -130,6 +130,7 @@ export interface ChildMetadata {
 export class ChildBridgeService {
   private child?: child_process.ChildProcess;
   private args: string[] = [];
+  private processEnv: child_process.ForkOptions = {};
   private shuttingDown = false;
   private lastBridgeStatus: ChildBridgeStatus = ChildBridgeStatus.PENDING;
   private pairedStatus: boolean | null = null;
@@ -165,6 +166,7 @@ export class ChildBridgeService {
    */
   public start(): void {
     this.setProcessFlags();
+    this.setProcessEnv();
     this.startChildProcess();
 
     // set display name
@@ -202,9 +204,7 @@ export class ChildBridgeService {
   private startChildProcess(): void {
     this.bridgeStatus = ChildBridgeStatus.PENDING;
 
-    this.child = child_process.fork(path.resolve(__dirname, "childBridgeFork.js"), this.args, {
-      silent: true,
-    });
+    this.child = child_process.fork(path.resolve(__dirname, "childBridgeFork.js"), this.args, this.processEnv);
 
     this.child.stdout?.on("data", (data) => {
       process.stdout.write(data);
@@ -332,6 +332,20 @@ export class ChildBridgeService {
     }
   }
 
+  /**
+   * Set environment variables for the child process
+   */
+  private setProcessEnv(): void {
+    this.processEnv = {
+      env: {
+        ...process.env,
+        DEBUG: `${process.env.DEBUG || ""} ${this.bridgeConfig.env?.DEBUG || ""}`.trim(),
+        NODE_OPTIONS: `${process.env.NODE_OPTIONS || ""} ${this.bridgeConfig.env?.NODE_OPTIONS || ""}`.trim(),
+      },
+      silent: true,
+    };
+  }
+
   /**
    * Tell the child process to load the given plugin
    */