$ sudo npm install --global xo
npm WARN deprecated urix@0.1.0: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated resolve-url@0.2.1: https://github.com/lydell/resolve-url#deprecated

changed 786 packages, and audited 787 packages in 37s

106 packages are looking for funding
  run `npm fund` for details

found 0 vulnerabilities

$ xo --help
/usr/lib/node_modules/xo/node_modules/@eslint/eslintrc/lib/shared/relative-module-resolver.js:41
            throw error;
            ^

Error: Cannot find module 'eslint-config-xo'
Require stack:
- /home/andrew/__placeholder__.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:815:15)
    at Function.resolve (internal/modules/cjs/helpers.js:80:19)
    at resolve (/usr/lib/node_modules/xo/node_modules/@eslint/eslintrc/lib/shared/relative-module-resolver.js:28:50)
    at resolveFrom (/usr/lib/node_modules/xo/lib/options-manager.js:47:66)
    at Object.<anonymous> (/usr/lib/node_modules/xo/lib/options-manager.js:65:4)
    at Module._compile (internal/modules/cjs/loader.js:999:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:1027:10)
    at Module.load (internal/modules/cjs/loader.js:863:32)
    at Function.Module._load (internal/modules/cjs/loader.js:708:14)
    at Module.require (internal/modules/cjs/loader.js:887:19) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [ '/home/andrew/__placeholder__.js' ]
}