Update diagnose URLs in output and docs (#968)

Make sure we point to the right page for the diagnose command line tool.

Fixes appsignal/support#301

.changesets/update-diagnose-tool-urls.md

@@ -0,0 +1,6 @@
+---
+bump: "patch"
+type: "fix"
+---
+
+Update the diagnose tool URLs printed by the CLI and package to the new location in our documentation.

src/__tests__/extension.failure.test.ts

@@ -23,7 +23,7 @@ describe("Extension", () => {
     require("../extension")
 
     expect(errorSpy).toHaveBeenLastCalledWith(
-      "[appsignal][ERROR] AppSignal failed to load the extension. Please run the diagnose tool and email us at [email protected]: https://docs.appsignal.com/nodejs/command-line/diagnose.html\n",
+      "[appsignal][ERROR] AppSignal failed to load the extension. Please run the diagnose tool and email us at [email protected]: https://docs.appsignal.com/nodejs/3.x/command-line/diagnose.html\n",
       expect.any(Object)
     )
   })
@@ -89,7 +89,7 @@ describe("Extension", () => {
         expect.any(Object)
       )
       expect(errorSpy).toHaveBeenLastCalledWith(
-        "[appsignal][ERROR] AppSignal failed to load the extension. Please run the diagnose tool and email us at [email protected]: https://docs.appsignal.com/nodejs/command-line/diagnose.html\n",
+        "[appsignal][ERROR] AppSignal failed to load the extension. Please run the diagnose tool and email us at [email protected]: https://docs.appsignal.com/nodejs/3.x/command-line/diagnose.html\n",
         expect.any(Object)
       )
     })

src/cli/diagnose.ts

@@ -151,7 +151,9 @@ export class Diagnose {
     this.print_newline()
 
     console.log(`Read more about how the diagnose config output is rendered`)
-    console.log(`https://docs.appsignal.com/nodejs/command-line/diagnose.html`)
+    console.log(
+      `https://docs.appsignal.com/nodejs/3.x/command-line/diagnose.html`
+    )
 
     this.print_newline()
 

src/client.ts

@@ -217,7 +217,7 @@ export class Client {
   /**
    * Internal private function used by the demo CLI.
    *
-   * https://docs.appsignal.com/nodejs/command-line/demo.html
+   * https://docs.appsignal.com/nodejs/3.x/command-line/demo.html
    *
    * @private
    */

src/extension_wrapper.ts

@@ -41,7 +41,7 @@ try {
     )
   } else {
     console.error(
-      "[appsignal][ERROR] AppSignal failed to load the extension. Please run the diagnose tool and email us at [email protected]: https://docs.appsignal.com/nodejs/command-line/diagnose.html\n",
+      "[appsignal][ERROR] AppSignal failed to load the extension. Please run the diagnose tool and email us at [email protected]: https://docs.appsignal.com/nodejs/3.x/command-line/diagnose.html\n",
       error
     )
   }