Chore: Apply review suggestion

eslint · May 19, 2021 · cba69f2 · cba69f2
1 parent e0156d0
commit cba69f2
Showing 1 changed file with 5 additions and 4 deletions.
diff --git a/lib/source-code/source-code.js b/lib/source-code/source-code.js
@@ -530,11 +530,12 @@ class SourceCode extends TokenStore {
         }
 
         /*
-         * To figure out which line rangeIndex is on, determine the last index at which rangeIndex could
-         * be inserted into lineIndices to keep the list sorted.
+         * To figure out which line index is on, determine the last place at which index could
+         * be inserted into lineStartIndices to keep the list sorted.
          */
-        const rangeIndex = [...this.lineStartIndices].reverse().findIndex(el => index >= el);
-        const lineNumber = rangeIndex === -1 ? 0 : this.lineStartIndices.length - rangeIndex;
+        const lineNumber = index >= this.lineStartIndices[this.lineStartIndices.length - 1]
+            ? this.lineStartIndices.length
+            : this.lineStartIndices.findIndex(el => index < el);
 
         return { line: lineNumber, column: index - this.lineStartIndices[lineNumber - 1] };
     }