fix querystring lookup if happening after # (fragment)

CHANGELOG.md

@@ -1,3 +1,7 @@
+### 6.1.4
+
+- fix querystring lookup if happening after # [256](https://github.com/i18next/i18next-browser-languageDetector/issues/256)
+
 ### 6.1.3
 
 - export DecetorOptions and CustomDetector types

i18nextBrowserLanguageDetector.js

@@ -173,7 +173,13 @@
       var found;
 
       if (typeof window !== 'undefined') {
-        var query = window.location.search.substring(1);
+        var search = window.location.search;
+
+        if (!window.location.search && window.location.hash && window.location.hash.indexOf('?') > -1) {
+          search = window.location.hash.substring(window.location.hash.indexOf('?'));
+        }
+
+        var query = search.substring(1);
         var params = query.split('&');
 
         for (var i = 0; i < params.length; i++) {

src/browserLookups/querystring.js

@@ -5,8 +5,12 @@ export default {
     let found;
 
     if (typeof window !== 'undefined') {
-      let query = window.location.search.substring(1);
-      let params = query.split('&');
+      let search = window.location.search;
+      if (!window.location.search && window.location.hash && window.location.hash.indexOf('?') > -1) {
+        search = window.location.hash.substring(window.location.hash.indexOf('?'))
+      }
+      const query = search.substring(1);
+      const params = query.split('&');
       for (let i=0; i<params.length; i++) {
         let pos = params[i].indexOf('=');
         if (pos > 0) {

test/languageDetector.test.js

@@ -52,4 +52,18 @@ describe('language detector', () => {
       expect(lng).to.contain('de')
     })
   })
+
+  describe('querystring (fragment)', () => {
+    it('detect', () => {
+      global.window = {
+        location: {
+          pathname: '/fr/some/route',
+          hash: '#/something?lng=de',
+          search: ''
+        }
+      }
+      const lng = ld.detect()
+      expect(lng).to.contain('de')
+    })
+  })
 })