Add better type safety around Channels (#6133)

* Add better type safety around Channels

- Reallow non-JSON serializable complex types

- Remove unnecessary JSON serialization step to IPC

- Remove unnecesary injectable-ization of MessageChannel and
  RequestChannel declarations

- Add channel listener injectable getter function to remove general need
  for type casting and improve type safety

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Add check to verify data in IPC related tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix implementation in light of new safety check in tests

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix listener ID clash potential

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Switch to not forcing split of request channel handlers being seperate from the listener decl

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Move message channels to changed signature too

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix not registering listener

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix test imports

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix type errors

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Refactor listening of different channel kinds

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Add test covering new checking code for request channel handlers

Signed-off-by: Sebastian Malton <sebastian@malton.name>

Signed-off-by: Sebastian Malton <sebastian@malton.name>

src/main/helm/exec-helm/exec-helm.injectable.ts

@@ -6,9 +6,8 @@ import { getInjectable } from "@ogre-tools/injectable";
 import execFileInjectable from "../../../common/fs/exec-file.injectable";
 import helmBinaryPathInjectable from "../helm-binary-path.injectable";
 import type { AsyncResult } from "../../../common/utils/async-result";
-import { getErrorMessage } from "../../../common/utils/get-error-message";
 
-export type ExecHelm = (args: string[]) => Promise<AsyncResult<string>>;
+export type ExecHelm = (args: string[]) => Promise<AsyncResult<string, string>>;
 
 const execHelmInjectable = getInjectable({
   id: "exec-helm",
@@ -18,15 +17,18 @@ const execHelmInjectable = getInjectable({
     const helmBinaryPath = di.inject(helmBinaryPathInjectable);
 
     return async (args) => {
-      try {
-        const response = await execFile(helmBinaryPath, args, {
-          maxBuffer: 32 * 1024 * 1024 * 1024, // 32 MiB
-        });
+      const response = await execFile(helmBinaryPath, args, {
+        maxBuffer: 32 * 1024 * 1024 * 1024, // 32 MiB
+      });
 
-        return { callWasSuccessful: true, response };
-      } catch (error) {
-        return { callWasSuccessful: false, error: getErrorMessage(error) };
+      if (response.callWasSuccessful) {
+        return response;
       }
+
+      return {
+        callWasSuccessful: false,
+        error: response.error.stderr || response.error.error.message,
+      };
     };
   },
 });