src/content/docs/linter/rules/no-class-assign.mdx
import { Tabs, TabItem } from '@astrojs/starlight/components';
<Tabs> <TabItem label="JavaScript (and super languages)" icon="seti:javascript"> ## Summary - Rule available since: `v1.0.0` - Diagnostic Category: [`lint/suspicious/noClassAssign`](/reference/diagnostics#diagnostic-category) - This rule is **recommended**, meaning it is enabled by default. - This rule doesn't have a fix. - The default severity of this rule is [**error**](/reference/diagnostics#error). - Sources: - Same as [`no-class-assign`](https://eslint.org/docs/latest/rules/no-class-assign){
"linter": {
"rules": {
"suspicious": {
"noClassAssign": "error"
}
}
}
}
Disallow reassigning class members.
A class declaration creates a variable that we can modify, however, the modification is a mistake in most cases.
class A {}
A = 0;
A = 0;
class A {}
class A {
b() {
A = 0;
}
}
let A = class A {
b() {
A = 0;
// `let A` is shadowed by the class name.
}
}
let A = class A {}
A = 0; // A is a variable.
let A = class {
b() {
A = 0; // A is a variable.
}
}
class A {
b(A) {
A = 0; // A is a parameter.
}
}