JavaScript minifier & obfuscator

Javascript minifier and obfuscator written in TypeScript.

Contains the following transformations:

• Comments and whitespace characters deletion
• Redundant code deletion (unnecessary parentheses, ..)
• Code optimization (dead code elimination, expression simplification, ..)
• Identifiers renaming
• Stopping debugger in a loop
• Split of variable declarations and their location randomization
• Numbers obfuscation
• Expressions obfuscation
• Randomizing the order of function parameters
• Operators outlining (unary, binary, assignment)
• Console redefinition
• Strings obfuscation
• Randomizing the order of function definitions
• Function merging
• Code outlining into eval
• Code encryption and integrity protection

Each transformation can be configured in config.yaml file.

Installation

npm install

Usage

npm start <inputFile> [<outputFile>]