docs: synchronize startVitest API with docs (#3343)

Co-authored-by: Anjorin Damilare <damilareanjorin1@gmail.com>

docs/advanced/api.md

@@ -11,7 +11,7 @@ You can start running Vitest tests using its Node API:
 ```js
 import { startVitest } from 'vitest/node'
 
-const vitest = await startVitest('test', ['tests/run-only.test.ts'])
+const vitest = await startVitest('test')
 
 await vitest?.close()
 ```
@@ -28,6 +28,12 @@ If watch mode is not enabled, Vitest will call `close` method.
 
 If watch mode is enabled and the terminal supports TTY, Vitest will register console shortcuts.
 
+You can pass down a list of filters as a second argument. Vitest will run only tests that contain at least one of the passed-down strings in their file path.
+
+Additionally, you can use the third argument to pass in CLI arguments, which will override any test config options.
+
+Alternatively, you can pass in the complete Vite config as the fourth argument, which will take precedence over any other user-defined options.
+
 ## createVitest
 
 You can create Vitest instance yourself using `createVitest` function. It returns the same `Vitest` instance as `startVitest`, but it doesn't start tests and doesn't validate installed packages.

packages/vitest/src/node/cli-api.ts

@@ -22,8 +22,8 @@ export interface CliOptions extends UserConfig {
  */
 export async function startVitest(
   mode: VitestRunMode,
-  cliFilters: string[],
-  options: CliOptions,
+  cliFilters: string[] = [],
+  options: CliOptions = {},
   viteOverrides?: ViteUserConfig,
 ): Promise<Vitest | undefined> {
   process.env.TEST = 'true'