I am getting the following error when running --help

[LZiHaN]

internal/util.js:257
throw new ERR_INVALID_ARG_TYPE('original', 'Function', original);
^

TypeError [ERR_INVALID_ARG_TYPE]: The "original" argument must be of type Function. Received type undefined
at promisify (internal/util.js:257:11)
at Object. (/usr/local/lib/node_modules/open-swagger-ui/node_modules/compress-brotli/src/index.js:9:18)
at Module._compile (internal/modules/cjs/loader.js:707:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:718:10)
at Module.load (internal/modules/cjs/loader.js:605:32)
at tryModuleLoad (internal/modules/cjs/loader.js:544:12)
at Function.Module._load (internal/modules/cjs/loader.js:536:3)
at Module.require (internal/modules/cjs/loader.js:643:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object. (/usr/local/lib/node_modules/open-swagger-ui/node_modules/keyv/src/index.js:5:24)

[vajahath]

Could you please provide a few more details like the OS you are using and the command you tried?

[LZiHaN]

macOS 10.13.6. #

➜ ~ open-swagger-ui --help
internal/util.js:257
throw new ERR_INVALID_ARG_TYPE('original', 'Function', original);
^

TypeError [ERR_INVALID_ARG_TYPE]: The "original" argument must be of type Function. Received type undefined
at promisify (internal/util.js:257:11)
at Object. (/usr/local/lib/node_modules/open-swagger-ui/node_modules/compress-brotli/src/index.js:9:18)
at Module._compile (internal/modules/cjs/loader.js:707:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:718:10)
at Module.load (internal/modules/cjs/loader.js:605:32)
at tryModuleLoad (internal/modules/cjs/loader.js:544:12)
at Function.Module._load (internal/modules/cjs/loader.js:536:3)
at Module.require (internal/modules/cjs/loader.js:643:17)
at require (internal/modules/cjs/helpers.js:22:18)
at Object. (/usr/local/lib/node_modules/open-swagger-ui/node_modules/keyv/src/index.js:5:24)

[vajahath]

$ open-swagger-ui --version
1.2.0
$ open-swagger-ui --help
Usage: open-swagger-ui [options] <swagger-file>

An easy CLI tool to open swagger.json or .yaml files in Swagger UI.

Options:
  -V, --version      output the version number
  -O, --open         Open stuff in browser
  -P, --port <port>  Preferred port. If not available, a random port is selected
  -h, --help         output usage information

I was not able to reproduce this on Ubuntu. I don't have a mac. Can you debug this?