fix(code-generator): fix input escaping

[viditochani]

Pull Request Template

Description

If a user types in a string with single quote(s) or backward slash(es) while recording, it is not escaped correctly and leaks into the generated code.

Type of change

• [x] Bug fix (non-breaking change which fixes an issue)

How Has This Been Tested?

All existing tests passed. Manually tested with the following strings:

• hello''
• hello\
• hello\world
• hello\''world
• hello');console.log('world

And added new unit test for it.

Checklist:

• [x] My code follows the style guidelines of this project. npm run lint passes with no errors.
• [ ] I have made corresponding changes to the documentation
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes. npm run test passes with no errors.

[tnolet]

@viditochani thanks so much and 🙌 on this first PR! Let me have a closer look ASAP this week