removes all print-specific styles from stylesheets

fixer.js

Array.from(document.styleSheets).forEach((ss) => {
  const toDelete = [];
  const toReplace = new Map();

  for (let i = 0; i < ss.rules.length; ++i) {
    const rule = ss.rules[i];
    if (!(rule instanceof CSSMediaRule)) {
      continue;
    }

    if (rule.conditionText.includes('print')) {
      toReplace.set(i, '* {}');
      continue;
    }
    if (rule.conditionText.includes('screen')) {
      let t = rule.cssText;
      const start = t.indexOf('{');
      let prefix = t.substr(0, start);
      prefix = prefix.replace(/(only |)screen/g, '(min-width: 1px)');
      t = prefix + t.substr(start);
      toReplace.set(i, t);
      continue;
    }
  }

  console.info('replacing', toReplace.size, 'rules to remove print-specific styles');
  toReplace.forEach((text, index) => {
    ss.deleteRule(index);
    ss.insertRule(text, index);
  });
});