mass search (#157)

* mass search

currently cripples server for like 2 mins on use

* works

its slow, really slow
but it don't break the server anymore

* concurrency using p-queue

* remove package.lock + search auto select

* sorting like yomi

* fix yarn.lock

src/screens/Sources.tsx

@@ -15,6 +15,9 @@ import {
 } from 'util/language';
 import useLocalStorage from 'util/useLocalStorage';
 import LoadingPlaceholder from 'components/util/LoadingPlaceholder';
+import { IconButton } from '@mui/material';
+import TravelExploreIcon from '@mui/icons-material/TravelExplore';
+import { useHistory } from 'react-router-dom';
 
 function sourceToLangList(sources: ISource[]) {
     const result: string[] = [];
@@ -46,6 +49,8 @@ export default function Sources() {
     const [sources, setSources] = useState<ISource[]>([]);
     const [fetched, setFetched] = useState<boolean>(false);
 
+    const history = useHistory();
+
     useEffect(() => {
         // make sure all of forcedDefaultLangs() exists in shownLangs
         sourceForcedDefaultLangs().forEach((forcedLang) => {
@@ -65,12 +70,20 @@ export default function Sources() {
     useEffect(() => {
         setTitle('Sources');
         setAction(
-            <LangSelect
-                shownLangs={shownLangs}
-                setShownLangs={setShownLangs}
-                allLangs={sourceToLangList(sources)}
-                forcedLangs={sourceForcedDefaultLangs()}
-            />,
+            <>
+                <IconButton
+                    onClick={() => history.push('/sources/all/search/')}
+                    size="large"
+                >
+                    <TravelExploreIcon />
+                </IconButton>
+                <LangSelect
+                    shownLangs={shownLangs}
+                    setShownLangs={setShownLangs}
+                    allLangs={sourceToLangList(sources)}
+                    forcedLangs={sourceForcedDefaultLangs()}
+                />
+            </>,
         );
     }, [shownLangs, sources]);