feat: migration to TypeScript FINAL

Co-authored-by: Su-Yong <simssy2205@gmail.com>

plugins/sponsorblock/segments.ts

@@ -0,0 +1,34 @@
+// Segments are an array [ [start, end], … ]
+import { Segment } from './types';
+
+export const sortSegments = (segments: Segment[]) => {
+  segments.sort((segment1, segment2) =>
+    segment1[0] === segment2[0]
+      ? segment1[1] - segment2[1]
+      : segment1[0] - segment2[0],
+  );
+
+  const compiledSegments: Segment[] = [];
+  let currentSegment: Segment | undefined;
+
+  for (const segment of segments) {
+    if (!currentSegment) {
+      currentSegment = segment;
+      continue;
+    }
+
+    if (currentSegment[1] < segment[0]) {
+      compiledSegments.push(currentSegment);
+      currentSegment = segment;
+      continue;
+    }
+
+    currentSegment[1] = Math.max(currentSegment[1], segment[1]);
+  }
+
+  if (currentSegment) {
+    compiledSegments.push(currentSegment);
+  }
+
+  return compiledSegments;
+};