It appears that the repository has undergone several changes and renamings:

backend/node_modules/strip-ansi/index.js

@@ -1,14 +0,0 @@
-import ansiRegex from 'ansi-regex';
-
-const regex = ansiRegex();
-
-export default function stripAnsi(string) {
-	if (typeof string !== 'string') {
-		throw new TypeError(`Expected a \`string\`, got \`${typeof string}\``);
-	}
-
-	// Even though the regex is global, we don't need to reset the `.lastIndex`
-	// because unlike `.exec()` and `.test()`, `.replace()` does it automatically
-	// and doing it manually has a performance penalty.
-	return string.replace(regex, '');
-}