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mishoo / UglifyJS

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masterunreleased

v3.16.1v3.16.0

Reading changes from the repo…

·17 commits·16 pull requests

New Features

Parser: Introduce support for top-level await, allowing developers to use await at the top level of their scripts, enhancing the usability of asynchronous code.
Parser: Add support for class static initialization blocks, enabling cleaner and more organized static property initialization in classes.

Improvements

Parser: Enhance the handling of unused variables, improving the efficiency of the code by better identifying and removing unnecessary variables.
Parser: Improve the evaluation of unsafe comparisons, making the code more robust and reducing potential errors during execution.

Fixes

Fix corner cases in various parsing scenarios, including collapse_vars, dead_code, and instanceof, ensuring that edge cases are handled correctly and improving overall stability.
Fix issues with ufuzz failures by addressing specific corner cases in the parser, enhancing the reliability of the minification process.

Others

Document ECMAScript quirks to provide clarity on specific behaviors and improve user understanding of the parser's functionality.
Suppress false positives in ufuzz, enhancing the accuracy of the testing process and reducing unnecessary alerts.