clang-format: [JS] space after parameter naming.

[mprobst]

Summary

Previously:

foo(/*bar=*/baz);

Now:

foo(/*bar=*/ baz);

The run-in parameter naming comment is not intended in JS.

lib/Format/TokenAnnotator.cpp

if (Right.is(tok::l_square) &&
     return false;
   if (Left.is(tok::l_brace) && Right.is(tok::r_brace))
     return !Left.Children.empty(); // No spaces in "{}".
   if ((Left.is(tok::l_brace) && Left.BlockKind != BK_Block) ||
       (Right.is(tok::r_brace) && Right.MatchingParen &&
        Right.MatchingParen->BlockKind != BK_Block))
     return !Style.Cpp11BracedListStyle;
   if (Left.is(TT_BlockComment))
-    return !Left.TokenText.endswith("=*/");
+    // No whitespace in x(/*foo=*/1), except for JavaScript.
+    return Style.Language == FormatStyle::LK_JavaScript ||
+           !Left.TokenText.endswith("=*/");
   if (Right.is(tok::l_paren)) {
     if ((Left.is(tok::r_paren) && Left.is(TT_AttributeParen)) ||
         (Left.is(tok::r_square) && Left.is(TT_AttributeSquare)))
       return true;
     return Line.Type == LT_ObjCDecl || Left.is(tok::semi) ||
            (Style.SpaceBeforeParens != FormatStyle::SBPO_Never &&
             (Left.isOneOf(tok::kw_if, tok::pp_elif, tok::kw_for, tok::kw_while,
                           tok::kw_switch, tok::kw_case, TT_ForEachMacro,

unittests/Format/FormatTestJS.cpp

EXPECT_EQ(
              "    this.aaaaaaaaaaaaaaaaaaa[aaaaaaaaaaa] = aaaa.aaaaaa ? "
              "aaaa.aaaaaa : /** @type "
              "{aaaa.aaaa.aaaaaaaaa.aaaaaaaaaaaaaaaaaaa} */\n"
              "        (aaaa.aaaa.aaaaaaaaa.aaaaaaaaaaaaa.aaaaaaaaaaaaaaaaa);\n"
              "  };\n"
              "};"));
 }
 
+TEST_F(FormatTestJS, ParameterNamingComment) {
+  verifyFormat("callFoo(/*spaceAfterParameterNamingComment=*/ 1);");
+}
+
 } // end namespace tooling
 } // end namespace clang