create primitive to prevent one folder from importing from another

[ORESoftware]

🔍 Search Terms

create primitive to prevent one folder from importing from another folder

when importing from a blacklisted folder it would represent a compile error

this would help a lot more people than you think, mostly for server/client interfacing

✅ Viability Checklist

• This wouldn't be a breaking change in existing TypeScript/JavaScript code
• This wouldn't change the runtime behavior of existing JavaScript code
• This could be implemented without emitting different JS based on the types of the expressions
• This isn't a runtime feature (e.g. library functionality, non-ECMAScript syntax with JavaScript output, new syntax sugar for JS, etc.)
• This isn't a request to add a new utility type: https://github.com/microsoft/TypeScript/wiki/No-New-Utility-Types
• This feature would agree with the rest of our Design Goals: https://github.com/Microsoft/TypeScript/wiki/TypeScript-Design-Goals

⭐ Suggestion

configuration in tsconfig.json that prevents one folder from importing another

in tsconfig.json

[
{
   folder: '',
   cannotImport: [],
   canOnlyImport: []
}
]

it could also be at the file level, but folder level sufficient

📃 Motivating Example

configuration in tsconfig.json that prevents one folder from importing another

in tsconfig.json

[
{
   folder: '',
   cannotImport: [],
   canOnlyImport: []
}
]

it could also be at the file level, but folder level sufficient

💻 Use Cases

1. What do you want to use this for?
2. What shortcomings exist with current approaches?
3. What workarounds are you using in the meantime?

[MartinJohns]

https://eslint.org/docs/latest/rules/no-restricted-imports

[ORESoftware]

I think building into TS compiler instead of just ESLint might make a lot of sense though - seems like small cost and big win

[RyanCavanaugh]

seems like small cost

The documentation for that lint rule is 28 pages long; there should be a more identifiable upside here. There's little chance that a project that needs this kind of restriction doesn't already have a linter set up.