The issue requests replacing JSCS and JSHint with ESLint. Start by examining the project's current linting setup in package.json and any configuration files like .jshintrc or .jscsrc. Then install ESLint and configure it to match the existing rules. Update the npm scripts to use ESLint instead. No linked PRs or assignees indicate the issue is open for contribution.
Use ESLint instead of JSCS, JSHint. · kdzwinel/betwixt#22 | Good First Issue