Repository: storybook
Issue: [Bug]: Missing initializer in const declaration
Labels: bug,needs triage

### Describe the bug

I have just upgraded to v7 of Storybook and now when I run `yarn storybook` I get the following error.

```
ModuleBuildError: Module build failed (from ./node_modules/babel-loader/lib/index.js):
SyntaxError: /Users/username/projectName/packages/date-picker/src/components/DatePicker.stories.tsx: Missing initializer in const declaration. (6:10)

  4 | import { Meta, StoryObj } from "@storybook/react";
  5 | import { DatePicker } from "./DatePicker";
> 6 | const meta: Meta<typeof DatePicker> = {
    |           ^
  7 |   component: DatePicker,
  8 |   title: "Date Picker",
  9 |   parameters: {
    at instantiate (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:63:32)
    at constructor (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:358:12)
    at Parser.raise (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:3255:19)
    at Parser.parseVar (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:13263:16)
    at Parser.parseVarStatement (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:13096:10)
    at Parser.parseStatementContent (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:12679:23)
    at Parser.parseStatementLike (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:12584:17)
    at Parser.parseModuleItem (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:12561:17)
    at Parser.parseBlockOrModuleBlockBody (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:13185:36)
    at Parser.parseBlockBody (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:13178:10)
    at Parser.parseProgram (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:12460:10)
    at Parser.parseTopLevel (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:12450:25)
    at Parser.parse (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:14345:10)
    at parse (/Users/username/projectName/node_modules/@babel/parser/lib/index.js:14386:38)
    at parser (/Users/username/projectName/node_modules/@babel/core/lib/parser/index.js:41:34)
    at parser.next (<anonymous>)
    at normalizeFile (/Users/username/projectName/node_modules/@babel/core/lib/transformation/normalize-file.js:64:38)
    at normalizeFile.next (<anonymous>)
    at run (/Users/username/projectName/node_modules/@babel/core/lib/transformation/index.js:21:50)
    at run.next (<anonymous>)
    at transform (/Users/username/projectName/node_modules/@babel/core/lib/transform.js:22:41)
    at transform.next (<anonymous>)
    at step (/Users/username/projectName/node_modules/gensync/index.js:261:32)
    at /Users/username/projectName/node_modules/gensync/index.js:273:13
    at async.call.result.err.err (/Users/username/projectName/node_modules/gensync/index.js:223:11)
    at /Users/username/projectName/node_modules/gensync/index.js:189:28
    at /Users/username/projectName/node_modules/@babel/core/lib/gensync-utils/async.js:68:7
    at /Users/username/projectName/node_modules/gensync/index.js:113:33
    at step (/Users/username/projectName/node_modules/gensync/index.js:287:14)
    at /Users/username/projectName/node_modules/gensync/index.js:273:13
    at async.call.result.err.err (/Users/username/projectName/node_modules/gensync/index.js:223:11)
    at /Users/username/projectName/node_modules/gensync/index.js:37:40
    at processResult (/Users/username/projectName/node_modules/webpack/lib/NormalModule.js:569:23)
    at /Users/username/projectName/node_modules/webpack/lib/NormalModule.js:647:9
    at /Users/username/projectName/node_modules/loader-runner/lib/LoaderRunner.js:361:14
    at /Users/username/projectName/node_modules/loader-runner/lib/LoaderRunner.js:227:14
    at context.callback (/Users/username/projectName/node_modules/loader-runner/lib/LoaderRunner.js:116:16)
    at /Users/username/projectName/node_modules/babel-loader/lib/index.js:36:108
```

### To Reproduce

I upgraded a React TypeScript mono repo project to Storybook v7 using the upgrade command made available in the docs.

### System

```shell
Environment Info:

  System:
    OS: macOS 13.4.1
    CPU: (12) x64 Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz
  Binaries:
    Node: 18.16.1 - ~/.nvm/versions/node/v18.16.1/bin/node
    Yarn: 1.22.19 - ~/.nvm/versions/node/v18.16.1/bin/yarn
    npm: 9.7.2 - ~/.nvm/versions/node/v18.16.1/bin/npm
  Browsers:
    Safari: 16.5.2
  npmPackages:
    @storybook/addon-actions: ^7.0.27 => 7.0.27 
    @storybook/addon-essentials: ^7.0.27 => 7.0.27 
    @storybook/addon-interactions: ^7.0.27 => 7.0.27 
    @storybook/addon-links: ^7.0.27 => 7.0.27 
    @storybook/react: ^7.0.27 => 7.0.27 
    @storybook/react-webpack5: ^7.0.27 => 7.0.27 
    @storybook/testing-library: ^0.2.0 => 0.2.0
```


### Additional context

_No response_