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feat(linter/promise): add
spec-only
rule (#5124)
Rule Detail: [link](https://github.com/eslint-community/eslint-plugin-promise/blob/main/docs/rules/spec-only.md) Co-authored-by: Don Isaac <donald.isaac@gmail.com>
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,135 @@ | ||
use oxc_ast::AstKind; | ||
use oxc_diagnostics::OxcDiagnostic; | ||
use oxc_macros::declare_oxc_lint; | ||
use oxc_span::GetSpan; | ||
use rustc_hash::FxHashSet; | ||
|
||
use crate::{context::LintContext, rule::Rule, utils::PROMISE_STATIC_METHODS, AstNode}; | ||
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#[derive(Debug, Default, Clone)] | ||
pub struct SpecOnly(Box<SpecOnlyConfig>); | ||
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#[derive(Debug, Default, Clone)] | ||
pub struct SpecOnlyConfig { | ||
allowed_methods: Option<FxHashSet<String>>, | ||
} | ||
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impl std::ops::Deref for SpecOnly { | ||
type Target = SpecOnlyConfig; | ||
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fn deref(&self) -> &Self::Target { | ||
&self.0 | ||
} | ||
} | ||
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declare_oxc_lint!( | ||
/// ### What it does | ||
/// | ||
/// Disallow use of non-standard Promise static methods. | ||
/// | ||
/// ### Why is this bad? | ||
/// | ||
/// Non-standard Promises may cost more maintenance work. | ||
/// | ||
/// ### Examples | ||
/// | ||
/// Examples of **incorrect** code for this rule: | ||
/// ```js | ||
/// Promise.done() | ||
/// ``` | ||
/// | ||
/// Examples of **correct** code for this rule: | ||
/// ```js | ||
/// Promise.resolve() | ||
/// ``` | ||
SpecOnly, | ||
restriction, | ||
); | ||
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impl Rule for SpecOnly { | ||
fn from_configuration(value: serde_json::Value) -> Self { | ||
let allowed_methods = value | ||
.get(0) | ||
.and_then(|v| v.get("allowedMethods")) | ||
.and_then(serde_json::Value::as_array) | ||
.map(|v| { | ||
v.iter().filter_map(serde_json::Value::as_str).map(ToString::to_string).collect() | ||
}); | ||
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Self(Box::new(SpecOnlyConfig { allowed_methods })) | ||
} | ||
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fn run<'a>(&self, node: &AstNode<'a>, ctx: &LintContext<'a>) { | ||
let AstKind::MemberExpression(member_expr) = node.kind() else { | ||
return; | ||
}; | ||
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if !member_expr.object().is_specific_id("Promise") { | ||
return; | ||
} | ||
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let Some(prop_name) = member_expr.static_property_name() else { | ||
return; | ||
}; | ||
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if PROMISE_STATIC_METHODS.contains(prop_name) { | ||
return; | ||
} | ||
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if let Some(allowed_methods) = &self.allowed_methods { | ||
if allowed_methods.contains(prop_name) { | ||
return; | ||
} | ||
} | ||
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ctx.diagnostic( | ||
OxcDiagnostic::warn(format!("Avoid using non-standard `Promise.{prop_name}`")) | ||
.with_label(member_expr.span()), | ||
); | ||
} | ||
} | ||
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#[test] | ||
fn test() { | ||
use crate::tester::Tester; | ||
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let pass = vec![ | ||
("Promise.resolve()", None), | ||
("Promise.reject()", None), | ||
("Promise.all()", None), | ||
("Promise.race()", None), | ||
("Promise.withResolvers()", None), | ||
("new Promise(function (resolve, reject) {})", None), | ||
("SomeClass.resolve()", None), | ||
("doSomething(Promise.all)", None), | ||
( | ||
"Promise.permittedMethod()", | ||
Some(serde_json::json!([ { "allowedMethods": ["permittedMethod"], }, ])), | ||
), | ||
]; | ||
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let fail = vec![ | ||
("Promise.done()", None), | ||
("Promise.something()", None), | ||
("new Promise.done()", None), | ||
( | ||
" | ||
function foo() { | ||
var a = getA() | ||
return Promise.done(a) | ||
} | ||
", | ||
None, | ||
), | ||
( | ||
" | ||
function foo() { | ||
getA(Promise.done) | ||
} | ||
", | ||
None, | ||
), | ||
]; | ||
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Tester::new(SpecOnly::NAME, pass, fail).test_and_snapshot(); | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,36 @@ | ||
--- | ||
source: crates/oxc_linter/src/tester.rs | ||
--- | ||
⚠ eslint-plugin-promise(spec-only): Avoid using non-standard `Promise.done` | ||
╭─[spec_only.tsx:1:1] | ||
1 │ Promise.done() | ||
· ──────────── | ||
╰──── | ||
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⚠ eslint-plugin-promise(spec-only): Avoid using non-standard `Promise.something` | ||
╭─[spec_only.tsx:1:1] | ||
1 │ Promise.something() | ||
· ───────────────── | ||
╰──── | ||
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⚠ eslint-plugin-promise(spec-only): Avoid using non-standard `Promise.done` | ||
╭─[spec_only.tsx:1:5] | ||
1 │ new Promise.done() | ||
· ──────────── | ||
╰──── | ||
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⚠ eslint-plugin-promise(spec-only): Avoid using non-standard `Promise.done` | ||
╭─[spec_only.tsx:4:22] | ||
3 │ var a = getA() | ||
4 │ return Promise.done(a) | ||
· ──────────── | ||
5 │ } | ||
╰──── | ||
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⚠ eslint-plugin-promise(spec-only): Avoid using non-standard `Promise.done` | ||
╭─[spec_only.tsx:3:20] | ||
2 │ function foo() { | ||
3 │ getA(Promise.done) | ||
· ──────────── | ||
4 │ } | ||
╰──── |