clang-format: [JS] Do not wrap taze: IWYU comments

[mprobst]

Summary

See (sorry, internal link): go/taze#global-symbols-dts-externs.

Before:

// taze: many, different, symbols from
// //some/long/iwyu/style/target

After:

// taze: many, different, symbols from //some/long/iwyu/style/target

[mprobst]

• update commit msg
• make test case a bit more generic

[djasper]

Generally looks good.

unittests/Format/FormatTestJS.cpp

1433 ↗

(On Diff #71189)

Maybe here, too? I don't think many people are familiar with bazel target syntax ;).

cfe/trunk/lib/Format/Format.cpp

if (Language == FormatStyle::LK_Java) {
     GoogleStyle.SpaceAfterCStyleCast = true;
     GoogleStyle.SpacesBeforeTrailingComments = 1;
   } else if (Language == FormatStyle::LK_JavaScript) {
     GoogleStyle.AlignAfterOpenBracket = FormatStyle::BAS_AlwaysBreak;
     GoogleStyle.AlignOperands = false;
     GoogleStyle.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Empty;
     GoogleStyle.AlwaysBreakBeforeMultilineStrings = false;
     GoogleStyle.BreakBeforeTernaryOperators = false;
-    GoogleStyle.CommentPragmas = "@(export|requirecss|return|see|visibility) ";
+    GoogleStyle.CommentPragmas = "(taze:|@(export|requirecss|return|see|visibility)) ";
     GoogleStyle.MaxEmptyLinesToKeep = 3;
     GoogleStyle.NamespaceIndentation = FormatStyle::NI_All;
     GoogleStyle.SpacesInContainerLiterals = false;
     GoogleStyle.JavaScriptQuotes = FormatStyle::JSQS_Single;
     GoogleStyle.JavaScriptWrapImports = false;
   } else if (Language == FormatStyle::LK_Proto) {
     GoogleStyle.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_None;
     GoogleStyle.SpacesInContainerLiterals = false;

cfe/trunk/unittests/Format/FormatTestJS.cpp

TEST_F(FormatTestJS, Conditional) {
   verifyFormat("y = x ? 1 : 2;");
   verifyFormat("x ? 1 : 2;");
   verifyFormat("class Foo {\n"
                "  field = true ? 1 : 2;\n"
                "  method(a = true ? 1 : 2) {}\n"
                "}");
 }
 
+TEST_F(FormatTestJS, ImportComments) {
+  verifyFormat("import {x} from 'x';  // from some location",
+               getGoogleJSStyleWithColumns(25));
+  verifyFormat("// taze: x from 'location'", getGoogleJSStyleWithColumns(10));
+}
+
 } // end namespace tooling
 } // end namespace clang