skif-js 0.4.0

JavaScript and TypeScript module graph and dependency rules for skif, built on oxc.
Documentation 
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use skif_core::{Category, DependencyKind, Fixability, RuleMeta, Severity};
use skif_lint::Emitter;

use super::JsRule;
use super::support::report_unused_dependencies;
use crate::analysis::JsAnalysis;

/// Metadata of `unused-dev-dependencies`. Warning until the rule reaches corpus parity with knip; `unused-dependencies`, `unlisted-dependencies` and `unresolved-imports` stay errors.
pub static META: RuleMeta = RuleMeta::new(
    "unused-dev-dependencies",
    Category::Js,
    Some(Severity::Warning),
    Fixability::Unsafe,
    "A package in `devDependencies` is never imported, required or run by a script.",
);

/// Reports `devDependencies` that nothing uses. Production mode does not look at them.
pub struct UnusedDevDependencies;

impl JsRule for UnusedDevDependencies {
    fn meta(&self) -> &'static RuleMeta {
        &META
    }

    fn check(&self, analysis: &JsAnalysis<'_>, out: &mut Emitter<'_>) {
        if analysis.production() {
            return;
        }
        report_unused_dependencies(&META, &[DependencyKind::DevDependencies], analysis, out);
    }
}