clang-format: [JS] ASI after imports

Summary:
Automatic semicolon insertion should break import and export statements:

Before, this would format on one line:

  // Note: no semi after 'x' below!
  import {x} from 'x'
  export function foo() {}

Into:
  import {x} from 'x' export function foo() {}

With this change, the statements get separated.

This also improves automatic semicolon insertion to consider closing
braces preceding declarations and statements.

Reviewers: klimek

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D28465

llvm-svn: 291428

1 files changed, 18 insertions, 0 deletions

diff --git a/clang/unittests/Format/FormatTestJS.cpp b/clang/unittests/Format/FormatTestJS.cpp
index 59f4a4f6dcf..12554a1dc23 100644
--- a/clang/unittests/Format/FormatTestJS.cpp
+++ b/clang/unittests/Format/FormatTestJS.cpp
@@ -858,6 +858,24 @@ TEST_F(FormatTestJS, AutomaticSemicolonInsertionHeuristic) {
                "return 1",
                "a = null\n"
                "  return   1");
+  verifyFormat(
+      "x = {a: 1}\n"
+      "class Y {}",
+      "  x  =  {a  : 1}\n"
+      "   class  Y {  }");
+}
+
+TEST_F(FormatTestJS, ImportExportASI) {
+  verifyFormat(
+      "import {x} from 'y'\n"
+      "export function z() {}",
+      "import   {x} from 'y'\n"
+      "  export function z() {}");
+  verifyFormat(
+      "export {x}\n"
+      "class Y {}",
+      "  export {x}\n"
+      "  class  Y {\n}");
 }
 
 TEST_F(FormatTestJS, ClosureStyleCasts) {