patch 8.2.4183: cannot use an import in 'formatexpr'
Problem: Cannot use an import in 'formatexpr'.
Solution: Set the script context when evaluating 'formatexpr'.
diff --git a/src/testdir/test_vim9_import.vim b/src/testdir/test_vim9_import.vim
index e6d9728..1cf1eb0 100644
--- a/src/testdir/test_vim9_import.vim
+++ b/src/testdir/test_vim9_import.vim
@@ -759,6 +759,34 @@
bwipe!
enddef
+def Test_import_in_formatexpr()
+ var lines =<< trim END
+ vim9script
+ export def MyFormatExpr(): number
+ g:did_format = 'yes'
+ return 0
+ enddef
+ END
+ writefile(lines, 'Xformatter')
+
+ lines =<< trim END
+ vim9script
+ import './Xformatter' as format
+ set formatexpr=format.MyFormatExpr()
+ END
+ CheckScriptSuccess(lines)
+
+ new
+ setline(1, ['a', 'b', 'c'])
+ normal gqG
+ assert_equal('yes', g:did_format)
+
+ bwipe!
+ delete('Xformatter')
+ unlet g:did_format
+ set formatexpr=
+enddef
+
def Test_export_fails()
CheckScriptFailure(['export var some = 123'], 'E1042:')
CheckScriptFailure(['vim9script', 'export var g:some'], 'E1022:')