From ff4f081e7c932ff8c71866f86c21bcd25416368c Mon Sep 17 00:00:00 2001
From: smuddyx <smuddyx@gmail.com>
Date: Wed, 10 Jun 2020 17:55:50 +0200
Subject: [PATCH] fix scroll position restore for Firefox

---
 .../modules/songs/services/text-rendering.service.ts  | 11 +++++++----
 .../modules/songs/song-list/song-list.component.ts    |  1 +
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/app/modules/songs/services/text-rendering.service.ts b/src/app/modules/songs/services/text-rendering.service.ts
index f298a89..955b6b0 100644
--- a/src/app/modules/songs/services/text-rendering.service.ts
+++ b/src/app/modules/songs/services/text-rendering.service.ts
@@ -48,7 +48,7 @@ export class TextRenderingService {
       [SectionType.Chorus]: 0,
       [SectionType.Verse]: 0,
     };
-    const sections = arrayOfLines.reduce((array, line) => {
+    return arrayOfLines.reduce((array, line) => {
       const type = this.getSectionTypeOfLine(line);
       if (line.match(this.regexSection)) return [...array, {
         type: type,
@@ -58,8 +58,6 @@ export class TextRenderingService {
       array[array.length - 1].lines.push(this.getLineOfLineText(line));
       return array;
     }, [] as Section[]);
-
-    return sections;
   }
 
   private getLineOfLineText(text: string): Line {
@@ -104,7 +102,12 @@ export class TextRenderingService {
 
       chords.push(chord);
     }
-    return chords;
+
+    const chordCount = chords.reduce((acc: number, cur: Chord) => acc + cur.length, 0);
+    const lineCount = chordLine.replace(/\s/g, "").length;
+
+    const isChrod = chordCount * 2 > lineCount;
+    return isChrod ? chords : [];
   }
 
 }
diff --git a/src/app/modules/songs/song-list/song-list.component.ts b/src/app/modules/songs/song-list/song-list.component.ts
index ac967af..635aa90 100644
--- a/src/app/modules/songs/song-list/song-list.component.ts
+++ b/src/app/modules/songs/song-list/song-list.component.ts
@@ -46,6 +46,7 @@ export class SongListComponent implements OnInit, OnDestroy {
     );
 
     setTimeout(() => this.scrollService.restoreScrollPositionFor('songlist'), 100);
+    setTimeout(() => this.scrollService.restoreScrollPositionFor('songlist'), 300);
   }
 
   public ngOnDestroy(): void {