NetHack throws on bad option, missing "helpers"

[apowers313]

ENV { foo: 'bar', NETHACKOPTIONS: 'autoquiver,name:Bubba,fluglesnurf' }
exception thrown: TypeError: Cannot read property 'helpers' of undefined,TypeError: Cannot read property 'helpers' of undefined
    at /Users/ampower/Projects/personal/NetHackJS/build/nethack.js:2312:251
    at Object.handleSleep (/Users/ampower/Projects/personal/NetHackJS/build/nethack.js:6842:11)
    at local_callback (/Users/ampower/Projects/personal/NetHackJS/build/nethack.js:2312:75)
    at imports.<computed> (/Users/ampower/Projects/personal/NetHackJS/build/nethack.js:6755:35)
    at shim_raw_print (<anonymous>:wasm-function[3665]:0x4d4575)
    at vpline (<anonymous>:wasm-function[2414]:0x31fa9d)
    at pline (<anonymous>:wasm-function[2413]:0x31f71e)
    at config_erradd (<anonymous>:wasm-function[1074]:0x156702)
    at vconfig_error_add (<anonymous>:wasm-function[2433]:0x321ba5)
    at config_error_add (<anonymous>:wasm-function[2432]:0x3219ba)
    at parseoptions (<anonymous>:wasm-function[2146]:0x2d8a07)
    at parseoptions (<anonymous>:wasm-function[2146]:0x2d8166)
    at parseoptions (<anonymous>:wasm-function[2146]:0x2d8166)
    at initoptions_finish (<anonymous>:wasm-function[2281]:0x2f5b5e)
    at initoptions (<anonymous>:wasm-function[2279]:0x2f54e5)
    at main (<anonymous>:wasm-function[3618]:0x4ce255)
    at ret.<computed> (/Users/ampower/Projects/personal/NetHackJS/build/nethack.js:6779:35)
    at /Users/ampower/Projects/personal/NetHackJS/build/nethack.js:2164:22
    at callMain (/Users/ampower/Projects/personal/NetHackJS/build/nethack.js:7347:15)
    at doRun (/Users/ampower/Projects/personal/NetHackJS/build/nethack.js:7414:23)