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eslint/no-undef Nursery ​

What it does ​

Disallow the use of undeclared variables.

Why is this bad? ​

It is most likely a potential ReferenceError caused by a misspelling of a variable or parameter name.

Example ​

javascript
var foo = someFunction();
var bar = a + 1;

How to use ​

To enable this rule in the CLI or using the config file, you can use:

bash
oxlint --deny no-undef
json
{
  "rules": {
    "no-undef": "error"
  }
}

References ​

Released under the MIT License.