eslint.analyze.js

// run this before
// npm run eslint > lint.log

const fs = require('fs');

let data = fs.readFileSync('./lint.log', 'utf8');

let output = {};

for (let line of data.split('\n')) {
	if (line.length === 0 || line.startsWith('/') || line.startsWith('>') || line.startsWith('✖')) continue;

	const words = line.trim().split(/\s+/);
	const rule = words.pop();

	if (rule in output) {
		output[rule]++;
	} else {
		output[rule] = 1;
	}
}

console.log(output);

/*

master => postorder
no-warning-comments': 52,
'react/no-unused-prop-types': 11,
'react/prefer-stateless-function': 9, + 1
'react/sort-prop-types': 37,
'react/no-string-refs': 38,
'react/jsx-no-bind': 65, + 2
'react/jsx-handler-names': 35,
'react/no-multi-comp': 3, + 1
'react/no-did-mount-set-state': 1, + 2
*/