commit 4fa7c531a76fa73026edb41c6b340afcd7c51096
author Ben Rohlfs <brohlfs@google.com> Mon Aug 24 18:16:13 2020 +0200
committer Ben Rohlfs <brohlfs@google.com> Wed Aug 26 16:52:16 2020 +0200
tree 617f8861c457686690a39eb8b1e080c67c84fb35
parent 481d41d563256005f603f2541d48e17ad3f3b89b

Convert files to typescript

The change converts the following files to typescript:

* elements/diff/gr-diff-builder/gr-diff-builder-element.ts

Change-Id: Ic28adbe27eb2707427911cc1f956ed312689b160

polygerrit-ui/app/elements/diff/gr-diff/gr-diff-utils.ts

diff --git a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-utils.ts b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-utils.ts
index dbdab05..0aa42c3 100644
--- a/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-utils.ts
+++ b/polygerrit-ui/app/elements/diff/gr-diff/gr-diff-utils.ts
@@ -16,6 +16,7 @@
  */
 
 import {CommentRange} from '../../../types/common';
+import {FILE, LineNumber} from './gr-diff-line';
 
 export enum DiffSide {
   LEFT = 'left',
@@ -41,3 +42,12 @@
     a.end_character === b.end_character
   );
 }
+
+export function getLineNumber(lineEl?: Element | null): LineNumber | null {
+  if (!lineEl) return null;
+  const lineNumberStr = lineEl.getAttribute('data-value');
+  if (!lineNumberStr) return null;
+  if (lineNumberStr === FILE) return FILE;
+  const lineNumber = Number(lineNumberStr);
+  return Number.isInteger(lineNumber) ? lineNumber : null;
+}