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Still being worked on! Current documentation: https://js-confuser.com/docs
An Opaque Predicate is a predicate(true/false) that is evaluated at runtime, this can confuse reverse engineers from understanding your code.
"opaquePredicates"
true/false/0-1
Opaque Predicates transforms the code. Try it out by changing the input code and see changes apply in real-time.
// Input.js
if (true) {
console.log('This code runs');
} else {
console.log('This code does not run');
}
// Output.js
function Ab6d4MZ() {}
!('xCI75BE' in Ab6d4MZ) && !0
? console.log('This code runs')
: console.log('This code does not run');
input.js and write the output to a file named output.js.
import JSConfuser from "js-confuser";
import {readFileSync, writeFileSync} from "fs";
// Read input code
const sourceCode = readFileSync("input.js", "utf8");
const options = {
target: 'browser',
opaquePredicates: true,
};
JSConfuser.obfuscate(sourceCode, options).then((result)=>{
// Write output code
writeFileSync("output.js", result.code);
}).catch(err=>{
// Error occurred
console.error(err);
});