The CLI doesn't work at all:
$ katex < /dev/null
/usr/share/nodejs/katex/cli.js:95
const i = m.search(":");
^
TypeError: Cannot read property 'search' of undefined
at splitMacros (/usr/share/nodejs/katex/cli.js:95:21)
at readMacros (/usr/share/nodejs/katex/cli.js:83:9)
at Object.<anonymous> (/usr/share/nodejs/katex/cli.js:139:1)
at Module._compile (internal/modules/cjs/loader.js:1085:14)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1114:10)
at Module.load (internal/modules/cjs/loader.js:950:32)
at Function.Module._load (internal/modules/cjs/loader.js:790:12)
at Function.executeUserEntryPoint [as runMain] (internal/modules/run_main.js:75:12)
at internal/main/run_main_module.js:17:47