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fix(rome_js_analyzer): noInvalidConstructorSuper false positive for class expressions #3561

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Original file line number Diff line number Diff line change
Expand Up @@ -2,8 +2,7 @@ use rome_analyze::context::RuleContext;
use rome_analyze::{declare_rule, Ast, Rule, RuleDiagnostic};
use rome_console::{markup, MarkupBuf};
use rome_js_syntax::{
JsAnyExpression, JsAssignmentOperator, JsClassDeclaration, JsConstructorClassMember,
JsLogicalOperator,
JsAnyClass, JsAnyExpression, JsAssignmentOperator, JsConstructorClassMember, JsLogicalOperator,
};
use rome_rowan::{AstNode, AstNodeList, TextRange};

Expand All @@ -29,6 +28,22 @@ declare_rule! {
/// }
/// ```
///
/// ### Valid
///
/// ```js
/// export default class A extends B {
/// constructor() {
/// super();
/// }
/// }
/// ```
///
/// ```js
/// export class A {
/// constructor() {}
/// }
/// ```
///
pub(crate) NoInvalidConstructorSuper {
version: "10.0.0",
name: "noInvalidConstructorSuper",
Expand Down Expand Up @@ -103,7 +118,7 @@ impl Rule for NoInvalidConstructorSuper {
let extends_clause = node
.syntax()
.ancestors()
.find_map(|node| JsClassDeclaration::cast(node)?.extends_clause());
.find_map(|node| JsAnyClass::cast(node)?.extends_clause());

match (super_expression, extends_clause) {
(Some(super_expression), Some(extends_clause)) => {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,20 @@ class A extends (B -= C) { constructor() { super(); } }
class A extends (B **= C) { constructor() { super(); } }
class A extends (B |= C) { constructor() { super(); } }
class A extends undefined { constructor() { super(); } }
module.exports = class A extends B {
constructor() {
}
}
export class A extends B {
constructor() {
missing_super();
}
}
export default class A extends null {
constructor() {
super();
}
}
// valid
class A extends B {
constructor() {
Expand All @@ -37,3 +51,18 @@ class A extends null { constructor() { return a; } }
class A extends Object { constructor() { super() } }
class A extends (5 && B) { constructor() { super(); } }
class A extends (B || C) { constructor() { super(); } }
module.exports = class A extends B {
constructor() {
super();
}
}
export class A extends B {
constructor() {
super();
}
}
export default class A extends B {
constructor() {
super();
}
}
Original file line number Diff line number Diff line change
Expand Up @@ -30,6 +30,20 @@ class A extends (B -= C) { constructor() { super(); } }
class A extends (B **= C) { constructor() { super(); } }
class A extends (B |= C) { constructor() { super(); } }
class A extends undefined { constructor() { super(); } }
module.exports = class A extends B {
constructor() {
}
}
export class A extends B {
constructor() {
missing_super();
}
}
export default class A extends null {
constructor() {
super();
}
}
// valid
class A extends B {
constructor() {
Expand All @@ -43,6 +57,21 @@ class A extends null { constructor() { return a; } }
class A extends Object { constructor() { super() } }
class A extends (5 && B) { constructor() { super(); } }
class A extends (B || C) { constructor() { super(); } }
module.exports = class A extends B {
constructor() {
super();
}
}
export class A extends B {
constructor() {
super();
}
}
export default class A extends B {
constructor() {
super();
}
}

```

Expand Down Expand Up @@ -317,7 +346,7 @@ noInvalidConstructorSuper.js:25:44 lint/nursery/noInvalidConstructorSuper ━━
> 25 │ class A extends (B |= C) { constructor() { super(); } }
│ ^^^^^
26 │ class A extends undefined { constructor() { super(); } }
27 │ // valid
27 │ module.exports = class A extends B {

i This is where the non-constructor is used.

Expand All @@ -326,7 +355,7 @@ noInvalidConstructorSuper.js:25:44 lint/nursery/noInvalidConstructorSuper ━━
> 25 │ class A extends (B |= C) { constructor() { super(); } }
│ ^^^^^^^^
26 │ class A extends undefined { constructor() { super(); } }
27 │ // valid
27 │ module.exports = class A extends B {


```
Expand All @@ -340,17 +369,71 @@ noInvalidConstructorSuper.js:26:45 lint/nursery/noInvalidConstructorSuper ━━
25 │ class A extends (B |= C) { constructor() { super(); } }
> 26 │ class A extends undefined { constructor() { super(); } }
│ ^^^^^
27 │ // valid
28 │ class A extends B {
27 │ module.exports = class A extends B {
28 │ constructor() {

i This is where the non-constructor is used.

24 │ class A extends (B **= C) { constructor() { super(); } }
25 │ class A extends (B |= C) { constructor() { super(); } }
> 26 │ class A extends undefined { constructor() { super(); } }
│ ^^^^^^^^^
27 │ // valid
28 │ class A extends B {
27 │ module.exports = class A extends B {
28 │ constructor() {


```

```
noInvalidConstructorSuper.js:27:26 lint/nursery/noInvalidConstructorSuper ━━━━━━━━━━━━━━━━━━━━━━━━━━

! This class extends another class and a super() call is expected.

25 │ class A extends (B |= C) { constructor() { super(); } }
26 │ class A extends undefined { constructor() { super(); } }
> 27 │ module.exports = class A extends B {
│ ^^^^^^^^^
28 │ constructor() {
29 │ }


```

```
noInvalidConstructorSuper.js:31:16 lint/nursery/noInvalidConstructorSuper ━━━━━━━━━━━━━━━━━━━━━━━━━━

! This class extends another class and a super() call is expected.

29 │ }
30 │ }
> 31 │ export class A extends B {
│ ^^^^^^^^^
32 │ constructor() {
33 │ missing_super();


```

```
noInvalidConstructorSuper.js:38:9 lint/nursery/noInvalidConstructorSuper ━━━━━━━━━━━━━━━━━━━━━━━━━━━

! This class calls super(), but the class extends from a non-constructor.

36 │ export default class A extends null {
37 │ constructor() {
> 38 │ super();
│ ^^^^^
39 │ }
40 │ }

i This is where the non-constructor is used.

34 │ }
35 │ }
> 36 │ export default class A extends null {
│ ^^^^
37 │ constructor() {
38 │ super();


```
Expand Down
16 changes: 16 additions & 0 deletions website/docs/src/lint/rules/noInvalidConstructorSuper.md
Original file line number Diff line number Diff line change
Expand Up @@ -49,3 +49,19 @@ class A {

</code></pre>{% endraw %}

### Valid

```jsx
export default class A extends B {
constructor() {
super();
}
}
```

```jsx
export class A {
constructor() {}
}
```

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