npm ERR! asyncWrite is not a function

Question

npm install -g firebase-tools npm ERR! asyncWrite is not a function npm ERR! pna.nextTick is not a function

npm ERR! A complete log of this run can be found in: npm ERR!

Answer 1

I am guessing it is an incompatibility between npm v5 and node v10. To solve this I downgraded node to v9, upgraded npm to v6, then upgraded node to v10:

n 9.10.1
npm i -g npm
n stable