Complete open histories and bookmarks

src/background/repositories/completions.js

@@ -1,4 +1,101 @@
 export default class CompletionsRepository {
+  async queryBookmarks(keywords) {
+    let items = await browser.bookmarks.search({ query: keywords });
+    return items.filter((item) => {
+      let url = undefined;
+      try {
+        url = new URL(item.url);
+      } catch (e) {
+        return false;
+      }
+      return item.type === 'bookmark' && url.protocol !== 'place:';
+    });
+  }
+
+  // eslint-disable-next-line complexity, max-lines-per-function
+  async queryHistories(keywords) {
+    const filterHttp = (items) => {
+      const httpsHosts = items
+        .filter(item => item[1].protocol === 'https:')
+        .map(item => item[1].host);
+      const httpsHostSet = new Set(httpsHosts);
+      return items.filter(
+        item => !(item[1].protocol === 'http:' &&
+          httpsHostSet.has(item[1].host))
+      );
+    };
+
+    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) {
+        let pathname = item[1].origin + item[1].pathname;
+        if (!hash[pathname]) {
+          hash[pathname] = item;
+        } else if (hash[pathname][1].href.length > item[1].href.length) {
+          hash[pathname] = item;
+        }
+      }
+      let filtered = Object.values(hash);
+      if (filtered.length < min) {
+        return items;
+      }
+      return filtered;
+    };
+
+    const reduceByOrigin = (items, min) => {
+      let hash = {};
+      for (let item of items) {
+        let origin = item[1].origin;
+        if (!hash[origin]) {
+          hash[origin] = item;
+        } else if (hash[origin][1].href.length > item[1].href.length) {
+          hash[origin] = item;
+        }
+      }
+      let filtered = Object.values(hash);
+      if (filtered.length < min) {
+        return items;
+      }
+      return filtered;
+    };
+
+
+    let historyItems = await browser.history.search({
+      text: keywords,
+      startTime: 0,
+    });
+    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
+        .sort((x, y) => x[0].visitCount < y[0].visitCount)
+        .slice(0, 10)
+        .map(item => item[0])
+      )[0];
+  }
+
   async queryTabs(keywords, excludePinned) {
     let tabs = await browser.tabs.query({ currentWindow: true });
     return tabs.filter((t) => {