is-identifier
Version:
Check if a string is a valid JavaScript identifier
19 lines (14 loc) • 359 B
TypeScript
/**
Check if a string is a valid [JavaScript identifier](https://developer.mozilla.org/en-US/docs/Glossary/Identifier).
@example
```
import isIdentifier from 'is-identifier';
isIdentifier('foo');
//=> true
isIdentifier('1kg');
//=> false
isIdentifier('await'); // Reserved identifier
//=> false
```
*/
export default function isIdentifier(value: string);