Skip to content

docs(linter): Add configuration option docs for unicorn/prefer-at rule. #15023

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Oct 28, 2025
Merged

docs(linter): Add configuration option docs for unicorn/prefer-at rule. #15023

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 10 additions & 2 deletions crates/oxc_linter/src/rules/unicorn/prefer_at.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,8 @@ use oxc_ast::{
use oxc_diagnostics::OxcDiagnostic;
use oxc_macros::declare_oxc_lint;
use oxc_span::{GetSpan, Span};
use schemars::JsonSchema;
use serde::Deserialize;
use serde_json::Value;

use crate::{
Expand All @@ -28,9 +30,14 @@ fn prefer_at_diagnostic(span: Span, method: &str) -> OxcDiagnostic {
#[derive(Debug, Default, Clone)]
pub struct PreferAt(Box<PreferAtConfig>);

#[derive(Debug, Default, Clone)]
#[derive(Debug, Default, Clone, Deserialize, JsonSchema)]
#[serde(rename_all = "camelCase", default)]
pub struct PreferAtConfig {
/// Check all index access, not just special patterns like `array.length - 1`.
/// When enabled, `array[0]`, `array[1]`, etc. will also be flagged.
check_all_index_access: bool,
/// List of function names to treat as "get last element" functions.
/// These functions will be checked for `.at(-1)` usage.
get_last_element_functions: Vec<String>,
}

Expand Down Expand Up @@ -70,7 +77,8 @@ declare_oxc_lint!(
PreferAt,
unicorn,
pedantic,
dangerous_fix
dangerous_fix,
config = PreferAtConfig,
);

impl Rule for PreferAt {
Expand Down
Loading