Unknown token

[vire]

Issue description:

synp -w --source-file ./yarn.lock

Are you reporting a conversion error? Please include a link to yarn.lock / package-lock.json:

# This file is generated by running "yarn install" inside your project.
# Manual changes might be lost - proceed with caution!

__metadata:
  version: 6
  cacheKey: 8
...
more thousands lines

[antongolub]

Yarn 2+ (Berry) lockfiles are not supported yet(

__metadata:
  version: 6
  cacheKey: 8

[leonk-sportsbet]

Same issue:

~/.nodenv/versions/16.3.0/bin/synp --source-file yarn.lock
Workspace (npm lockfile v2) support is experimental. Pass `--with-workspace` flag to enable and cross your fingers. Good luck!
Unknown token: { line: 3, col: 2, type: 'INVALID', value: undefined } 3:2 in lockfile

__metadata:
version: 4
cacheKey: 7