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Change Log

v0.17.0

v0.16.0

v0.15.0

  • Internal change: switched AST parser from esprima on espree
  • Breaking change: dropped node@4 and node@5 support.
  • Breaking change: renamed extension value of target option on browser-no-eval.
  • Breaking change: disabled generation of identifiers, which being matched by reservedName option. Fixed javascript-obfuscator#216
  • New CLI option: exclude allows to exclude specific files or directories from obfuscation.
  • Correct obfuscation of import and export declarations.
  • Fixed javascript-obfuscator#231
  • Fixed javascript-obfuscator#217
  • Fixed javascript-obfuscator#210
  • Internal: refactoring of many things.

v0.14.3

v0.14.2

v0.14.1

v0.14.0

v0.13.0

  • Breaking change: mangle option was removed.
  • New option: identifierNamesGenerator allows to set identifier names generator (hexadecimal or mangled).
  • Breaking change: all CLI options were renamed to kebab-case format (--disableConsoleOutout -> --disable-console-output).
  • Implemented custom mangle option algorithm without esmangle; fixed javascript-obfuscator#110
  • Comments with @license and @preserve words won't be removed from obfuscated code.
  • Fixed javascript-obfuscator#147
  • Fixed javascript-obfuscator#149

v0.12.5

v0.12.4

v0.12.3

v0.12.2

v0.12.1

v0.12.0

  • New option: target allows to set target environment for obfuscated code.
  • Added ability to disable and enable obfuscation for specific parts of the code by adding conditional comments.
  • Added obfuscation of es2015 class names.
  • CLI: added directory obfuscation.

v0.11.2

v0.11.1

v0.11.0

  • New option: log enables logging of the information to the console.
  • New option: renameGlobals allows to enable obfuscation of global variable and function names with declaration.

v0.10.2

v0.10.1

v0.10.0

v0.9.3

v0.9.2

  • Removed coverage dir from npm package

v0.9.1

v0.9.0

  • Breaking change: dropped node@0.10 and node@0.12 support.
  • New option: controlFlowFlattening allows to enable/disable Control Flow flattening. Control flow flattening is a structure transformation of the source code that hinders program comprehension.
  • New option: controlFlowFlatteningThreshold allows to set percentage of nodes that will affected by controlFlowFlattening.
  • Significantly increased obfuscation performance.
  • Huge internal refactoring.
  • Better es2015 support: correct obfuscation of TemplateLiteral, ArrayPattern, AssignmentPattern nodes.
  • Switched from npm to yarn internally.
  • Various bug fixes.

v0.9.0-beta.5

  • Increased performance
  • Fixed very rare Cannot read property 'type' of undefined error, when RandomGeneratorUtils.getMathRandom() returned incorrect value 1.

v0.9.0-beta.4

  • Increased performance

v0.9.0-beta.3

  • Breaking change: dropped node@0.10 and node@0.12 support.
  • Switched from npm to yarn internally.

v0.9.0-beta.2

  • Transformers refactoring

v0.9.0-beta.1

  • New option: controlFlowFlattening allows to enable/disable Control Flow flattening. Control flow flattening is a structure transformation of the source code that hinders program comprehension.
  • New option: controlFlowFlatteningThreshold allows to set percentage of nodes that will affected by controlFlowFlattening.
  • Better es2015 support: correct obfuscation of TemplateLiteral, ArrayPattern, AssignmentPattern nodes.
  • Obfuscation performance boost.
  • Huge internal refactoring.
  • Various bug fixes.

v0.8.6

v0.8.5

v0.8.4

v0.8.3

  • selfDefending option now disabled by default.

v0.8.2

  • New option seed sets seed for random generator. This is useful for creating repeatable results.
  • IE8 runtime error fix.

v0.8.1

  • disableConsoleOutput option now replaces console.xxx functions on empty function instead of infinity loop.

v0.8.0

  • Breaking options change: unicodeArray option has been renamed to stringArray.
  • Breaking options change: unicodeArrayThreshold option has been renamed to stringArrayThreshold.
  • Breaking options change: encodeUnicodeArray option has been renamed to stringArrayEncoding and now accepts following values: true|false|'base64'|'rc4'.
  • Breaking change: option wrapUnicodeArrayCalls was removed and now all calls to stringArray are always wrapped by special wrapper function.
  • New option unicodeEscapeSequence allows to enable/disable strings conversion to unicode escape sequence.
  • New option domainLock locks the obfuscated source code so it only runs on specific domains and/or sub-domains.
  • New option sourceMapBaseUrl sets base url to the source map import url when sourceMapMode: 'separate'.
  • Custom nodes like selfDefendingNode or consoleOutputNode now inserted into deepest stack trace function call.
  • Fixed obfuscation of global variables and function names in some cases.
  • Fixed wrong obfuscation of labels.
  • Rewrite of many custom nodes.

v0.7.3

  • CLI missing polyfill fix #17

v0.7.2

  • Runtime error fix #7

  • Shorthand object expression fix #16

v0.7.1

  • IE error fix #14

v0.7.0-dev.3

  • Obfuscator now returns an empty string instead of obfuscated code if source code is empty

v0.7.0-dev.2

  • Fix of incorrect Utils.decToHex method

v0.7.0-dev.1

  • Breaking API change: now obfuscate(sourceCode, options) returns ObfuscationResult object instead string. ObfuscationResult object contains two public methods: getObfuscatedCode() and getSourceMap().
  • CLI. Now any code can be obfuscated through CLI javascript-obfuscator command. See README.md for available options.
  • New option sourceMap enables source map generation for obfuscated code.
  • New option sourceMapMode specifies source map generation mode.