deobf

Semi-modular ECMAScript deobfuscator

Modules

Add if braces

// before
if (something) doSomething()

// after
if (something) {
    doSomething()
}

Array bool

// before
console.log(![])
console.log(!![])

// after
console.log(false)
console.log(true)

Array obfuscation

TODO

Comma separated statements

// before
function test() {
    return console.log('b'), 'a'
}

// after
function test() {
  console.log('b')
  return 'a'
}

Comparison order

// before
if (null == a) {}

// after
if (a == null) {}

Expand if shortcut

// before
a && console.log('b')

// after
if (a) {
    console.log('b')
}

Expand sequence expression

TODO

Function to class

TODO

Nested blocks

// before
function test() {
    {
        console.log('a')
    }
}

// after
function test() {
    console.log('a')
}

Split var declarations

// before
function test() {
    var a = 1, b = 2
}

// after
function test() {
    var a = 1
    var b = 2
}

Square brackets

// before
console['log']('a')

// after
console.log('a')

Static function

// before
function a() {
    return 1
}
console.log(a())

// after
console.log(1)

Static if

// before
function test() {
    if (1 == 1) {
        console.log('a')
    }
}

// after
function test() {
    console.log('a')
}

String concat

// before
console.log('a' + 'b')

// after
console.log('ab')

Unwrap ternary

TODO

Void

// before
var a = void 0

// after
var a = undefined