pve-eslint/eslint/docs/rules/no-label-var.md
Dominik Csapak eb39fafa4f first commit
includes a (minimal) working wrapper

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
2020-04-06 15:06:03 +02:00

49 lines
870 B
Markdown

# Disallow Labels That Are Variables Names (no-label-var)
## Rule Details
This rule aims to create clearer code by disallowing the bad practice of creating a label that shares a name with a variable that is in scope.
Examples of **incorrect** code for this rule:
```js
/*eslint no-label-var: "error"*/
var x = foo;
function bar() {
x:
for (;;) {
break x;
}
}
```
Examples of **correct** code for this rule:
```js
/*eslint no-label-var: "error"*/
// The variable that has the same name as the label is not in scope.
function foo() {
var q = t;
}
function bar() {
q:
for(;;) {
break q;
}
}
```
## When Not To Use It
If you don't want to be notified about usage of labels, then it's safe to disable this rule.
## Related Rules
* [no-extra-label](./no-extra-label.md)
* [no-labels](./no-labels.md)
* [no-unused-labels](./no-unused-labels.md)