linter: re-add relaxed no-unused-vars rule

.eslintrc.json

@@ -11,6 +11,13 @@
 		"node_modules"
 	],
 	"rules": {
-		"no-unused-vars": "off"
+		"no-unused-vars": [
+			"error",
+			{
+				"vars": "all",
+				"args": "none",
+				"ignoreRestSiblings": false
+			}
+		]
 	}
 }

build-docs.js

@@ -1,10 +1,5 @@
 #!/usr/bin/env node
 
-// todo: use import assertions once they're supported by Node.js & ESLint
-// https://github.com/tc39/proposal-import-assertions
-import {createRequire} from 'module'
-const require = createRequire(import.meta.url)
-
 import {createReadStream, createWriteStream} from 'node:fs'
 import {copyFile} from 'node:fs/promises'
 import _technicalDocsCli from '@derhuerst/technical-docs-cli'

lib/hafas.js

@@ -1,6 +1,5 @@
 'use strict'
 
-import {randomBytes} from 'crypto'
 import {createIpPoolAgent} from 'localaddress-agent'
 import _vbbProfile from 'hafas-client/p/vbb/index.js'
 import defaultProfile from 'hafas-client/lib/default-profile.js'