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-rw-r--r--clang/lib/Format/TokenAnnotator.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index d8d8bcbfc17..4e055210598 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -2706,6 +2706,9 @@ bool TokenAnnotator::canBreakBefore(const AnnotatedLine &Line,
Keywords.kw_readonly, Keywords.kw_abstract,
Keywords.kw_get, Keywords.kw_set))
return false; // Otherwise automatic semicolon insertion would trigger.
+ if (Left.Tok.getIdentifierInfo() &&
+ Right.startsSequence(tok::l_square, tok::r_square))
+ return false; // breaking in "foo[]" creates illegal TS type syntax.
if (Left.is(TT_JsFatArrow) && Right.is(tok::l_brace))
return false;
if (Left.is(TT_JsTypeColon))
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