reserved-identifiers
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Provides a list of reserved identifiers for JavaScript
It assumes the latest JavaScript version (ES2023) and module context. Supporting older JavaScript versions is a non-goal.
npm install reserved-identifiers
import reservedIdentifiers from 'reserved-identifiers';
const identifiers = reservedIdentifiers();
const isReserved = identifier => identifiers.has(identifier);
console.log(isReserved('await'));
//=> true
Returns a Set with the identifiers.
Type: object
Type: boolean
Default: false
Include the global properties globalThis, Infinity, NaN, and undefined. Although not officially reserved, they should typically not be used as identifiers.
FAQs
Provides a list of reserved identifiers for JavaScript
We found that reserved-identifiers demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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