gh-feed-filter

script.js

'use strict';

const hideSettings = {
  'min-items': 30,
  'vhf/free-programming-books': {
    star: true,
    fork: true,
  },
  'vhf/v8-bailout-reasons': {
    star: true,
    fork: false,
  },
};

const shouldShow = el => {
  const classes = el.classList;
  const repo = el.querySelectorAll('.title > a')[1].text;

  if (!hideSettings.hasOwnProperty(repo)) {
    return true;
  }

  const hide = hideSettings[repo];

  if (hide.star && classes.contains('watch_started')) {
    return false;
  }

  if (hide.fork && classes.contains('fork')) {
    return false;
  }

  return true;
};

const loadNextPage = () => {
  const button = document.querySelector('.news > form > button');
  if (button) {
    button.click();
    return true;
  }
  return false;
};

const feedCleaning = () => {
  const lines = document.querySelectorAll('.news > .alert:not(.clean)'); // only clean new els
  Array.prototype.forEach.call(lines, l => {
    if (!shouldShow(l)) {
      l.parentNode.removeChild(l);
    }
    l.classList.add('clean'); // mark el as clean
  });

  const remaining = document.querySelectorAll('.news > .alert').length;
  return remaining;
};

const observer = new MutationObserver(() => {
  if (feedCleaning() < hideSettings['min-items']) {
    loadNextPage();
  }
});

observer.observe(document.querySelector('.news'), {
  childList: true,
});

// Start !
loadNextPage();