Ternaries to if statements

Option: transforms.ternaryToIf

What it changes

Rewrites eligible conditional expressions as if statements, using a temporary when their value is needed.

var y = a ? b : c;
log(d ? e : f);

var y;
if (a) { y = b; } else { y = c; }
var _ternaryResult;
if (d) { _ternaryResult = e; } else { _ternaryResult = f; }
log(_ternaryResult);

Run this transform by setting transforms.ternaryToIf to true:

obfuscate.mjs

const output = obfuscate(source, {
  transforms: {
    ternaryToIf: true,
  },
})

Open the TypeScript implementation on GitHub.

Review behavior checks and cases this transform leaves alone.

Last modified on August 26, 2026