ESLint and @typescript-eslint discourage the use of stylistic rules, but how can we ensure consistency in our code style for elements like func-style?

Is Prettier the same as ESLint when it comes to rules and options for stylistic issues, as discussed in "@typescript-eslint"? Both ESLint and @typescript-eslint documentation discourage the use of stylistic rules.

Formatting rules make sense, but this policy also affects stylistic rules. ESLint defines them as:

Stylistic rules pertain to spacing, conventions, and other non-error-highlighting aspects.

@typescript-eslint has a similar stance:

These rules largely involve naming or choosing between syntax constructs like function declarations versus arrow functions.

Formatters won't address these rules to avoid changing the code's effect.

While these rules are still available for use, maintaining consistent style in a project (such as deciding between function declarations and expressions) without relying on them poses a challenge. Should we embrace varying styles or find alternative ways to ensure consistency?

Answer №1

Just recently, the ESLint Stylistic initiative announced the milestone release of version 1.0.0, indicating its readiness for deployment in real-world scenarios. The project has taken over deprecated stylistic rules from eslint and @typescript-eslint, making it the go-to solution recommended by both projects for enforcing code style guidelines using ESLint.

Answer №2

When it comes to stylistic rules, there are two distinct categories to consider. The first involves rules that dictate formatting, such as the use of whitespace and the placement of curly braces. The second category pertains to rules that govern style choices, like variable names and the differentiation between function declarations and expressions.

It is important to note that when it comes to stylistic rules, it is best to avoid rules related to formatting, similar to those disabled in eslint-config-prettier. These types of rules should generally be omitted from your linting configuration.

Beyond formatting rules, the extent to which you choose to enforce stylistic consistency is largely up to you. Striking a balance between consistency and flexibility is key - ensure that you do not become overly fixated on enforcing every single detail for the sake of consistency.

A helpful guideline to follow is to ask yourself questions like "would someone feel compelled to change this aspect when editing a file?" or "would someone request a modification in a pull request regarding this particular detail?" If the answer is affirmative, establishing a standard and incorporating it into your linting practices can streamline code reviews and minimize back-and-forth during peer review. Otherwise, it may not be worth linting and enforcing these specific stylistic elements.

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