fix: more accurate type for serverConfig option (#484)

Author: rchl

docs/content/en/sentry/options.md

@@ -352,11 +352,11 @@ export default function () {
 
 ### serverConfig
 
-- Type: `Object`
+- Type: `Object` or `String`
 - Default: `{}`
 - Sentry SDK [Basic Server Options](https://docs.sentry.io/platforms/node/configuration/options/).
 - The specified keys will override common options set in the `config` key.
-- The value can be a string in which case it needs to be a file path (can use [webpack aliases](https://nuxtjs.org/docs/2.x/directory-structure/assets#aliases)) pointing to a javascript file whose default export (a function) returns the configuration object. This is necessary in case some of the options rely on imported values or can't be serialized. The function can be `async`. Artificial example that switches out the `transport`:
+- The value can be a string in which case it needs to be a file path (can use [webpack aliases](https://nuxtjs.org/docs/2.x/directory-structure/assets#aliases)) pointing to a javascript file whose default export (a function) returns the configuration object. This is necessary in case some of the options rely on imported values or can't be serialized. The function can be `async`. An artificial example that switches out the `transport`:
   ```js [~/config/sentry-server-config.js]
   import { makeNodeTransport } from '@sentry/node'
 

types/sentry.d.ts

@@ -5,7 +5,7 @@ import { BrowserTracing } from '@sentry/tracing'
 import { Options as SentryOptions } from '@sentry/types'
 import { Options as SentryVueOptions, TracingOptions as SentryVueTracingOptions } from '@sentry/vue/types/types'
 import { SentryCliPluginOptions } from '@sentry/webpack-plugin'
-import { Handlers } from '@sentry/node'
+import { NodeOptions, Handlers } from '@sentry/node'
 
 export interface SentryHandlerProxy {
     errorHandler: (error: any, req: IncomingMessage, res: ServerResponse, next: (error: any) => void) => void
@@ -47,7 +47,7 @@ export interface ModuleConfiguration {
     /** See available options at https://github.com/getsentry/sentry-webpack-plugin */
     publishRelease?: boolean | Partial<SentryCliPluginOptions>
     runtimeConfigKey?: string
-    serverConfig?: SentryOptions | string
+    serverConfig?: NodeOptions | string
     serverIntegrations?: IntegrationsConfiguration
     sourceMapStyle?: WebpackOptions.Devtool
     requestHandlerConfig?: Handlers.RequestHandlerOptions