fix timeline util issue

1 files changed, 16 insertions, 11 deletions

diff --git a/animism-align/frontend/views/align/align.util.js b/animism-align/frontend/views/align/align.util.js
index d7b4c39..91af64c 100644
--- a/animism-align/frontend/views/align/align.util.js
+++ b/animism-align/frontend/views/align/align.util.js
@@ -31,17 +31,22 @@ export const timeToPosition = (ts, { start_ts, zoom, duration }) => {
 }
 
 export const getFirstPunctuationMarkIndex = text => {
-  return Math.min(
-      text.indexOf('. '),
-      text.indexOf('? '),
-      text.indexOf('! '),
-      text.indexOf('." '),
-      text.indexOf('?" '),
-      text.indexOf('!" '),
-      text.indexOf('.” '),
-      text.indexOf('?” '),
-      text.indexOf('!” '),
-    ) + 1
+  const indexes = [
+    text.indexOf('. '),
+    text.indexOf('? '),
+    text.indexOf('! '),
+    text.indexOf('." '),
+    text.indexOf('?" '),
+    text.indexOf('!" '),
+    text.indexOf('.” '),
+    text.indexOf('?” '),
+    text.indexOf('!” '),
+  ]
+
+  return indexes.reduce((a, b) => {
+    if (b < 0) return a
+    return Math.min(a, b)
+  }, Infinity) + 1
 }
 
 export const cutFirstSentence = text => {