1 files changed, 0 insertions, 76 deletions
diff --git a/src/background/usecases/filters.ts b/src/background/usecases/filters.ts
deleted file mode 100644
index 98957a7..0000000
--- a/src/background/usecases/filters.ts
+++ /dev/null
@@ -1,76 +0,0 @@
-type Item = browser.history.HistoryItem;
-
-const filterHttp = (items: Item[]): Item[] => {
-  const httpsHosts = items.map(x => new URL(x.url as string))
-    .filter(x => x.protocol === 'https:')
-    .map(x => x.host);
-  const hostsSet = new Set(httpsHosts);
-
-  return items.filter((item: Item) => {
-    const url = new URL(item.url as string);
-    return url.protocol === 'https:' || !hostsSet.has(url.host);
-  });
-};
-
-const filterBlankTitle = (items: Item[]): Item[] => {
-  return items.filter(item => item.title && item.title !== '');
-};
-
-const filterByTailingSlash = (items: Item[]): Item[] => {
-  const urls = items.map(item => new URL(item.url as string));
-  const simplePaths = urls
-    .filter(url => url.hash === '' && url.search === '')
-    .map(url => url.origin + url.pathname);
-  const pathsSet = new Set(simplePaths);
-
-  return items.filter((item) => {
-    const url = new URL(item.url as string);
-    if (url.hash !== '' || url.search !== '' ||
-      url.pathname.slice(-1) !== '/') {
-      return true;
-    }
-    return !pathsSet.has(url.origin + url.pathname.slice(0, -1));
-  });
-};
-
-const filterByPathname = (items: Item[], min: number): Item[] => {
-  const hash: {[key: string]: Item} = {};
-  for (const item of items) {
-    const url = new URL(item.url as string);
-    const pathname = url.origin + url.pathname;
-    if (!hash[pathname]) {
-      hash[pathname] = item;
-    } else if ((hash[pathname].url as string).length >
-      (item.url as string).length) {
-      hash[pathname] = item;
-    }
-  }
-  const filtered = Object.values(hash);
-  if (filtered.length < min) {
-    return items;
-  }
-  return filtered;
-};
-
-const filterByOrigin = (items: Item[], min: number): Item[] => {
-  const hash: {[key: string]: Item} = {};
-  for (const item of items) {
-    const origin = new URL(item.url as string).origin;
-    if (!hash[origin]) {
-      hash[origin] = item;
-    } else if ((hash[origin].url as string).length >
-      (item.url as string).length) {
-      hash[origin] = item;
-    }
-  }
-  const filtered = Object.values(hash);
-  if (filtered.length < min) {
-    return items;
-  }
-  return filtered;
-};
-
-export {
-  filterHttp, filterBlankTitle, filterByTailingSlash,
-  filterByPathname, filterByOrigin
-};