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Find out which Electron version is bundled inside an application.
$ npm install which-electron $ which-electron Google.Play.Music.Desktop.Player.OSX.zip Version Constraint (Unsupported): <v7.0.0 Fingerprint: v3.1.7-v3.1.8 v3.1.8 is currently not supported $ which-electron HashTag-win32-x64.zip Found Version file: v7.1.10 v7.1.10 is currently not supported Fingerprint: v7.1.10 v7.1.10 is currently not supported $ which-electron Appium-linux-1.21.0.AppImage Fingerprint: v7.2.4-v7.3.3 v7.3.3 is currently not supported $ which-electron https://github.com/stoplightio/studio/releases/download/v2.3.0-stable.5931.git-67616e9/stoplight-studio-mac.dmg Downloaded https://github.com/stoplightio/studio/releases/download/v2.3.0-stable.5931.git-67616e9/stoplight-studio-mac.dmg /tmp/which-electronaN3QGg/stoplight-studio-mac.dmg Fingerprint: v11.0.5-v11.1.1 v11.1.1 is currently not supported
How does it work?
We attempt multiple pathways:
- The presence of a
electron.asarfile denotes an electron version
<v7.0.0, since later releases dropped that file and embedded it in the binary instead.
versiontext file is sometimes included in the final binary.
node_modules/electron/package.jsonfile is sometimes present.
- A lookup table of hashes from various electron releases is used to guess the version. In case of multiple matches, it returns a range of versions.
- Get the electron version from the electron binary (WIP)
Note that this can be run against untrusted binaries as it does not try to run the application. It has been tested against various file formats: zip/dmg/exe/AppImage/tar.gz etc. It extracts limited files using 7-zip to a temporary directory at runtime if needed.
It is known to not work against:
- Windows setup files (ones with
-setupin their name)
- On systems without 7-zip installed, it falls back to an older version of 7zip via the 7z-bin package on NPM. Unfortunately, the older version can't extract AppImage files correctly.
Licensed under the MIT License. See LICENSE file for details.