SyntaxError: Unknown token: { line: 4, col: 2, type: 'INVALID', value: undefined } 4:2 in lockfile

See original GitHub issue

I’ve deleted the yarn.lock and tried this using bash and cmd with no success. Does this tool only support specific versions of yarn (and the associated lock file)?

D:\WORK\frontend>yarn-audit-fix
Runtime digest

  isMonorepo false
  npmPath D\\WORK\\frontend\\node_modules\\yarn-audit-fix\\node_modules\\.bin\\npm.cmd
  npmVersion 8.1.2
  nodeVersion v14.18.1
  yafVersion 7.1.5
  temp D\\WORK\\frontend\\node_modules\\.cache\\yarn-audit-fix\\04610f6eea2bfb3e8bb3333ee22ac42b
  cwd D\\WORK\\frontend
  flags
    flow patch
    npm-path local


Preparing temp assets...
Patching yarn.lock with audit data...
Failure!
SyntaxError: Unknown token: { line: 4, col: 2, type: 'INVALID', value: undefined } 4:2 in lockfile
    at Parser.unexpected (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:5064:11)
    at Parser.parse (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:5193:14)
    at parse (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:5262:17)
    at Object.module.exports.exports.default (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:4835:96)
    at Object._read (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/lockfile.js:7:21)
    at Module.read (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/lockfile.js:89:44)
    at patchLockfile (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/stages.js:144:25)
    at exec (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/runner.js:30:13)
    at Function.runSync [as sync] (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/runner.js:41:9)
    at file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/cli.js:33:5
internal/process/esm_loader.js:74
    internalBinding('errors').triggerUncaughtException(
                              ^

SyntaxError: Unknown token: { line: 4, col: 2, type: 'INVALID', value: undefined } 4:2 in lockfile
    at Parser.unexpected (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:5064:11)
    at Parser.parse (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:5193:14)
    at parse (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:5262:17)
    at Object.module.exports.exports.default (D:\WORK\frontend\node_modules\@yarnpkg\lockfile\index.js:4835:96)
    at Object._read (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/lockfile.js:7:21)
    at Module.read (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/lockfile.js:89:44)
    at patchLockfile (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/stages.js:144:25)
    at exec (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/runner.js:30:13)
    at Function.runSync [as sync] (file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/runner.js:41:9)
    at file:///D:/WORK/frontend/node_modules/yarn-audit-fix/target/es6/cli.js:33:5

D:\WORK\frontend>