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.
Examples
Examples of incorrect code for this rule:
javascript
var foo = someFunction();
var bar = a + 1;Configuration
This rule accepts a configuration object with the following properties:
typeof
type: boolean
default: false
When set to true, warns on undefined variables used in a typeof expression.
How to use
To enable this rule using the config file or in the CLI, you can use:
json
{
"rules": {
"no-undef": "error"
}
}bash
oxlint --deny no-undef