no-label-var
Disallow labels that share a name with a variable
规则细节
这条规则旨在创建更清晰的代码,不允许创建一个与范围内的变量同名的标签的坏做法。
使用此规则的错误示例:
                            
                                Open in Playground
                            
/*eslint no-label-var: "error"*/
var x = foo;
function bar() {
x:
  for (;;) {
    break x;
  }
}
使用此规则的正确示例:
                            
                                Open in Playground
                            
/*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;
  }
}
何时不用
如果你不希望被通知标签的使用情况,你可以安全地禁用此规则。
Related Rules
Version
This rule was introduced in ESLint v0.0.9.