Luminous contentScripts.register demo

content_scripts_register.js

var update_content_script_settings = function() {
  // contentScripts.register not available
}

if(typeof browser !== 'undefined' && browser.contentScripts) {
  var registered_content_scripts = [];

  async function register_content_script(data, i) {
    registered_content_scripts[i] = await browser.contentScripts.register({
      runAt: 'document_start',
      matches: ['<all_urls>'],
      allFrames: true,
      js: [{
        code: "var luminous_settings = JSON.parse('" + JSON.stringify(data) + "'); intialize_luminous_injections('content_scripts_register');"
      }]
    });
  }

  update_content_script_settings = function(data) {
    var pending = false;
    for(i in registered_content_scripts) {

      if(!registered_content_scripts[i]) {
        pending = true;
      } else if(registered_content_scripts[i] != 'unregistered') {
        registered_content_scripts[i].unregister();
        registered_content_scripts[i] = 'unregistered';
      }
    }

    if(!pending) {
      registered_content_scripts = [];
    }

    registered_content_scripts.push(null);

    register_content_script(data, registered_content_scripts.length - 1);
  }
}

settings.js

var update_cached_settings = function() {
  chrome.storage.sync.get(null, function(sync_data) {
    if(sync_data) {
      settings_defined = true;
      cached_settings = sync_data;
      update_content_script_settings(cached_settings['injection_disabled']);
    }
  });
}