presubmit_canned_checks.py: Ignore long TypeScript imports.

Change-Id: If9e133002e2cdcff42917a487a677f3ed73d4d3a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/tools/depot_tools/+/2241184
Reviewed-by: Edward Lesmes <ehmaldonado@chromium.org>
Commit-Queue: Leandro Lovisolo <lovisolo@google.com>

presubmit_canned_checks.py

@@ -417,6 +417,8 @@ def CheckLongLines(input_api, output_api, maxlen, source_file_filter=None):
   JAVA_EXCEPTIONS = ('import ', 'package ')
   JS_FILE_EXTS = ('js',)
   JS_EXCEPTIONS = ("GEN('#include", 'import ')
+  TS_FILE_EXTS = ('ts',)
+  TS_EXCEPTIONS = ('import ')
   OBJC_FILE_EXTS = ('h', 'm', 'mm')
   OBJC_EXCEPTIONS = ('#define', '#endif', '#if', '#import', '#include',
                      '#pragma')
@@ -428,6 +430,7 @@ def CheckLongLines(input_api, output_api, maxlen, source_file_filter=None):
     (HTML_FILE_EXTS, HTML_EXCEPTIONS),
     (JAVA_FILE_EXTS, JAVA_EXCEPTIONS),
     (JS_FILE_EXTS, JS_EXCEPTIONS),
+    (TS_FILE_EXTS, TS_EXCEPTIONS),
     (OBJC_FILE_EXTS, OBJC_EXCEPTIONS),
     (PY_FILE_EXTS, PY_EXCEPTIONS),
   ]

tests/presubmit_unittest.py

@@ -2148,6 +2148,12 @@ the current line as well!
                     'foo.js', "// We should import something long, eh?",
                     'foo.js', presubmit.OutputApi.PresubmitPromptWarning)
 
+  def testCannedCheckTSLongImports(self):
+    check = lambda x, y, _: presubmit_canned_checks.CheckLongLines(x, y, 10)
+    self.ContentTest(check, "import {Name, otherName} from './dir/file';",
+                    'foo.ts', "// We should import something long, eh?",
+                    'foo.ts', presubmit.OutputApi.PresubmitPromptWarning)
+
   def testCannedCheckObjCExceptionLongLines(self):
     check = lambda x, y, _: presubmit_canned_checks.CheckLongLines(x, y, 80)
     self.ContentTest(check, '#import ' + 'A ' * 150, 'foo.mm',