Validates JavaScript identifiers according to the ECMAScript specification. This package is a crucial part of the Babel toolchain, ensuring that variable and function names adhere to syntax rules. The @babel/helper-validator-identifier package helps prevent common errors related to invalid identifiers during code transformation and compilation. It's used by Babel's parser and other modules, providing a consistent and reliable way to check identifier validity.
@babel/helper-validator-identifier releases varied significantly. 2020 saw consistent releases, peaking in June. 2021 had sporadic releases between April and December. 2022 saw sparse releases in June and September. 2023 saw a release in June and a high of 4 releases in September. 2024 saw releases in April, May, June and October. 2025 has only seen one release in April.
@babel/helper-validator-identifier downloads show steady growth from March 2024 to August 2025, peaking at 383 million in June 2025. September 2025 downloads are significantly lower, likely due to incomplete data for the month. Overall, the package demonstrates high and increasing usage.