filter closed path

src/background/histories.js

@@ -12,6 +12,21 @@ const filterEmptyTitle = (items) => {
   return items.filter(item => item[0].title && item[0].title !== '');
 };
 
+const filterClosedPath = (items) => {
+  const allSimplePaths = items
+    .filter(item => item[1].hash === '' && item[1].search === '')
+    .map(item => item[1].origin + item[1].pathname);
+  const allSimplePathSet = new Set(allSimplePaths);
+  return items.filter(
+    item => !(item[1].hash === '' && item[1].search === '' &&
+      (/\/$/).test(item[1].pathname) &&
+      allSimplePathSet.has(
+        (item[1].origin + item[1].pathname).replace(/\/$/, '')
+      )
+    )
+  );
+};
+
 const reduceByPathname = (items, min) => {
   let hash = {};
   for (let item of items) {
@@ -54,6 +69,7 @@ const getCompletions = (keyword) => {
     return [historyItems.map(item => [item, new URL(item.url)])]
       .map(filterEmptyTitle)
       .map(filterHttp)
+      .map(filterClosedPath)
       .map(items => reduceByPathname(items, 10))
       .map(items => reduceByOrigin(items, 10))
       .map(items => items