[CORL-678] Transition to eslint (#2634)

* chore: setup eslint

* chore: tslint checks with types & check for import order

* chore: complete eslint transition

* fix: tests

* fix: linting after rebase, faster lint for lint-staged

* chore: remove line

* fix: lint rules

* feat: add a11y linter and fix errors

* fix: tests

src/core/server/graph/common/scalars/time.ts

@@ -17,7 +17,7 @@ export default new GraphQLScalarType({
   },
   parseLiteral(ast) {
     switch (ast.kind) {
-      case Kind.STRING:
+      case Kind.STRING: {
         // This handles an empty string.
         if (ast.value && ast.value.length === 0) {
           return null;
@@ -29,6 +29,7 @@ export default new GraphQLScalarType({
         }
 
         return date.toJSDate();
+      }
       default:
         return null;
     }

src/core/server/graph/tenant/subscriptions/publisher.ts

@@ -12,6 +12,7 @@ export type Publisher = (input: SUBSCRIPTION_INPUT) => Promise<void>;
  * over the pubsub broker to facilitate live updates and notifications.
  *
  * @param pubsub the pubsub broker to be used to facilitate the publish action
+ * @param notifier
  * @param tenantID the ID of the Tenant where the event will be published with
  * @param clientID the ID of the client to de-duplicate mutation responses
  */

src/core/server/graph/tenant/subscriptions/server.ts

@@ -154,13 +154,14 @@ export function onConnect(options: OnConnectOptions): OnConnectFn {
       }
 
       if (!(err instanceof CoralError)) {
+        // eslint-disable-next-line no-ex-assign
         err = new InternalError(err, "could not setup websocket connection");
       }
       const { message } = err.serializeExtensions(
         options.i18n.getDefaultBundle()
       );
 
-      throw { message };
+      throw new Error(message);
     }
   };
 }