cannot be bundled with esbuild

[capaj]

I'd like to bundle this library with esbuild, but that is not possible

Error: Build failed with 1 error:
../node_modules/istorexit/main.js:2:1: ERROR: Syntax error "!"
    at failureErrorWithLog (/home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:1636:15)
    at /home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:1048:25
    at runOnEndCallbacks (/home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:1[47](https://github.com/authier-pm/authier/actions/runs/5222477252/jobs/9428008010#step:16:48)1:45)
    at buildResponseToResult (/home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:1046:7)
    at /home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:1075:16
    at responseCallbacks.<computed> (/home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:697:9)
    at handleIncomingPacket (/home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:752:9)
    at Socket.readFromStdout (/home/runner/work/authier/authier/node_modules/esbuild/lib/main.js:673:7)
    at Socket.emit (node:events:513:28)
    at Socket.emit (node:domain:[48](https://github.com/authier-pm/authier/actions/runs/5222477252/jobs/9428008010#step:16:49)9:12) {
  errors: [
    {
      detail: undefined,
      id: '',
      location: [Object],
      notes: [],
      pluginName: '',
      text: 'Syntax error "!"'
    }
  ],
  warnings: []
}