$ npx create-react-app my-app
Creating a new React app in /data/data/com.termux/files/home/my-app.
Installing packages. This might take a couple of minutes. Installing react, react-dom, and react-scripts with cra-template...
npm ERR! Exit handler never called!
npm ERR! This is an error with npm itself. Please report this error at: npm ERR! https://github.com/npm/cli/issues
npm ERR! A complete log of this run can be found in: npm ERR! /data/data/com.termux/files/home/.npm/_logs/2021-10-11T17_09_35_089Z-debug.log
Aborting installation. npm install --save --save-exact --loglevel error react react-dom react-scripts cra-template has failed.
Deleting generated file... node_modules Deleting generated file... package.json Deleting my-app/ from /data/data/com.termux/files/home Done.
Simply downgrade your npm version to npm6 by running this command in node-
npm install -g npm@6
This will solve your issue because I have this same issue and downgrading my npm version solved it.