Function initScriptInjection

src/lib/inject.js:15–41

()

export let watchlistRegex;

export async function initScriptInjection() {
  try {
    watchlistRegex = [];
    const watchList = isChrome ? await getWatchList() : await getWatchListCache();
    const filterURL = filterURLsFromWatchList(watchList);
    const matchPatterns = filterURL.map(({schemes, host}) => {
      const scheme = schemes.includes('http') ? '*' : 'https';
      // filter out port numbers
      host = host.includes(':') ? host.replace(/:\d{1,5}$/, '') : host;
      return `${scheme}://${host}/*`;
    });
    const originAndPathFilter = {url: filterURL.map(({schemes, host}) => {
      const originAndPathMatches = `^${schemes.includes('http') ? 'https?' : 'https'}:\/\/${matchPattern2RegExString(host)}/.*`;
      watchlistRegex.push(new RegExp(originAndPathMatches));
      return {schemes, originAndPathMatches};
    })};
    if (chrome.webNavigation.onDOMContentLoaded.hasListener(watchListNavigationHandler)) {
      chrome.webNavigation.onDOMContentLoaded.removeListener(watchListNavigationHandler);
    }
    if (matchPatterns.length) {
      chrome.webNavigation.onDOMContentLoaded.addListener(watchListNavigationHandler, originAndPathFilter);
    }
    return injectOpenTabs(matchPatterns);
  } catch (e) {
    console.log('mailvelope initScriptInjection', e);
  }
}

function filterURLsFromWatchList(watchList) {
  const schemes = ['http', 'https'];