Pushing to Heroku

Hey all, I’m trying to push my app online and am using Heroku to do so. I keep getting errors and am unsure how to solve the most recent one. Anyone have any insights?

I moved typescript & ionic app scripts from devDependencies to Dependencies.

ionic-app-scripts build
2018-02-28T16:57:53.914819+00:00 app[web.1]: module.js:540
2018-02-28T16:57:53.914859+00:00 app[web.1]:     throw err;
2018-02-28T16:57:53.914861+00:00 app[web.1]:     ^
2018-02-28T16:57:53.914863+00:00 app[web.1]: 
2018-02-28T16:57:53.914865+00:00 app[web.1]: Error: Cannot find module './util/pipe'
2018-02-28T16:57:53.914867+00:00 app[web.1]:     at Function.Module._resolveFilename (module.js:538:15)
2018-02-28T16:57:53.914869+00:00 app[web.1]:     at Function.Module._load (module.js:468:25)
2018-02-28T16:57:53.914870+00:00 app[web.1]:     at Module.require (module.js:587:17)
2018-02-28T16:57:53.914872+00:00 app[web.1]:     at require (internal/module.js:11:18)
2018-02-28T16:57:53.914874+00:00 app[web.1]:     at Object.<anonymous> (/app/node_modules/rxjs/Observable.js:5:14)
2018-02-28T16:57:53.914875+00:00 app[web.1]:     at Module._compile (module.js:643:30)
2018-02-28T16:57:53.914877+00:00 app[web.1]:     at Object.Module._extensions..js (module.js:654:10)
2018-02-28T16:57:53.914879+00:00 app[web.1]:     at Module.load (module.js:556:32)
2018-02-28T16:57:53.914880+00:00 app[web.1]:     at tryModuleLoad (module.js:499:12)
2018-02-28T16:57:53.914882+00:00 app[web.1]:     at Function.Module._load (module.js:491:3)
2018-02-28T16:57:53.925417+00:00 app[web.1]: npm ERR! code ELIFECYCLE
2018-02-28T16:57:53.926996+00:00 app[web.1]: npm ERR! rally@0.0.1 build: `ionic-app-scripts build`
2018-02-28T16:57:53.927140+00:00 app[web.1]: npm ERR! Exit status 1
2018-02-28T16:57:53.925782+00:00 app[web.1]: npm ERR! errno 1
2018-02-28T16:57:53.927355+00:00 app[web.1]: npm ERR! 
2018-02-28T16:57:53.931892+00:00 app[web.1]: npm ERR! A complete log of this run can be found in:
2018-02-28T16:57:53.927513+00:00 app[web.1]: npm ERR! Failed at the rally@0.0.1 build script.
2018-02-28T16:57:53.927664+00:00 app[web.1]: npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
2018-02-28T16:57:53.931717+00:00 app[web.1]: 
2018-02-28T16:57:53.931997+00:00 app[web.1]: npm ERR!     /app/.npm/_logs/2018-02-28T16_57_53_928Z-debug.log
2018-02-28T16:57:53.991298+00:00 heroku[web.1]: State changed from starting to crashed