CLI tool and library that modifies your asar file to protect it from extraction (e.g by using asar extract).
This is absolutely not bulletproof, but can be usefull in some scenarios.
$ npm i asarmor
$ asarmor --help
Usage: asarmor [options]
Options:
-V, --version output the version number
-a, --archive <archive> input asar file (required)
-o, --output <output> output asar file (required)
-v, --verbose enable verbose console output
-b, --backup create backup
-r, --restore restore backup (protections won't be applied)
-f, --filetocrash <filename> corrupt specified file within the archive
-t, --trashify [junkfiles...] add non-existing junk files to the archive
-h, --help display help for command
Examples:
$ asarmor -a app.asar -o asarmor.asar --filetocrash index_dummy.js
$ asarmor -a app.asar -o asarmor.asar --trashify bee-movie.txt foo.js bar.ts
$ asarmor -a app.asar -o asarmor.asar --trashify --backup
$ asarmor -a app.asar -o asarmor.asar --trashify --restore
const {Asarmor, FileCrash, Trashify, Randomizers} = require('asarmor');
const asarmor = new Asarmor('app.asar');
asarmor.createBackup('~/Documents/backups/app.asar.backup');
asarmor.applyProtection(new FileCrash('target.js'));
asarmor.applyProtection(new Trashify(['foo', 'bar'], Randomizers.randomExtension));
asarmor.write('app.asar');