fix(node): add undefined return to url in inspector (#35204)

This commit fixes the return type of the `url` function from the `inspector` Node module. The value `undefined` is returned when there is no active inspector.

types/node/inspector.d.ts

@@ -3251,7 +3251,7 @@ declare module "inspector" {
     function close(): void;
 
     /**
-     * Return the URL of the active inspector, or undefined if there is none.
+     * Return the URL of the active inspector, or `undefined` if there is none.
      */
-    function url(): string;
+    function url(): string | undefined;
 }

types/node/node-tests.ts

@@ -1090,7 +1090,7 @@ import * as constants from 'constants';
         inspector.open(0, 'localhost');
         inspector.open(0, 'localhost', true);
         inspector.close();
-        const inspectorUrl: string = inspector.url();
+        const inspectorUrl: string | undefined = inspector.url();
 
         const session = new inspector.Session();
         session.connect();

types/node/scripts/generate-inspector/inspector.d.ts.template

@@ -73,7 +73,7 @@ declare module "inspector" {
     function close(): void;
 
     /**
-     * Return the URL of the active inspector, or undefined if there is none.
+     * Return the URL of the active inspector, or `undefined` if there is none.
      */
-    function url(): string;
+    function url(): string | undefined;
 }

types/node/v10/inspector.d.ts

@@ -3156,7 +3156,7 @@ declare module "inspector" {
     function close(): void;
 
     /**
-     * Return the URL of the active inspector, or undefined if there is none.
+     * Return the URL of the active inspector, or `undefined` if there is none.
      */
-    function url(): string;
+    function url(): string | undefined;
 }

types/node/v10/node-tests.ts

@@ -4822,7 +4822,7 @@ import * as constants from 'constants';
         inspector.open(0, 'localhost');
         inspector.open(0, 'localhost', true);
         inspector.close();
-        const inspectorUrl: string = inspector.url();
+        const inspectorUrl: string | undefined = inspector.url();
 
         const session = new inspector.Session();
         session.connect();

types/node/v11/inspector.d.ts

@@ -3251,7 +3251,7 @@ declare module "inspector" {
     function close(): void;
 
     /**
-     * Return the URL of the active inspector, or undefined if there is none.
+     * Return the URL of the active inspector, or `undefined` if there is none.
      */
-    function url(): string;
+    function url(): string | undefined;
 }

types/node/v11/node-tests.ts

@@ -1090,7 +1090,7 @@ import * as constants from 'constants';
         inspector.open(0, 'localhost');
         inspector.open(0, 'localhost', true);
         inspector.close();
-        const inspectorUrl: string = inspector.url();
+        const inspectorUrl: string | undefined = inspector.url();
 
         const session = new inspector.Session();
         session.connect();

types/node/v8/inspector.d.ts

@@ -2506,7 +2506,7 @@ declare module "inspector" {
     export function close(): void;
 
     /**
-     * Return the URL of the active inspector, or undefined if there is none.
+     * Return the URL of the active inspector, or `undefined` if there is none.
      */
-    export function url(): string;
+    export function url(): string | undefined;
 }

types/node/v8/node-tests.ts

@@ -4041,7 +4041,7 @@ namespace inspector_tests {
         inspector.open(0, 'localhost');
         inspector.open(0, 'localhost', true);
         inspector.close();
-        const inspectorUrl: string = inspector.url();
+        const inspectorUrl: string | undefined = inspector.url();
 
         const session = new inspector.Session();
         session.connect();

types/node/v9/inspector.d.ts

@@ -2524,7 +2524,7 @@ declare module "inspector" {
     export function close(): void;
 
     /**
-     * Return the URL of the active inspector, or undefined if there is none.
+     * Return the URL of the active inspector, or `undefined` if there is none.
      */
-    export function url(): string;
+    export function url(): string | undefined;
 }

types/node/v9/node-tests.ts

@@ -4106,7 +4106,7 @@ namespace inspector_tests {
         inspector.open(0, 'localhost');
         inspector.open(0, 'localhost', true);
         inspector.close();
-        const inspectorUrl: string = inspector.url();
+        const inspectorUrl: string | undefined = inspector.url();
 
         const session = new inspector.Session();
         session.connect();