add not hit files to coverage percentage

.gitignore

@@ -60,4 +60,5 @@ ios/Runner/GoogleService-Info.plist
 /lib/firebase_options.dart
 
 coverage/
+test/coverage_helper_test.dart
 screenshots/

test_coverage.sh

@@ -1,4 +1,11 @@
 flutter test --coverage
+
+file=test/coverage_helper_test.dart
+echo "// Helper file to make coverage work for all dart files\n" > $file
+echo "// ignore_for_file: unused_import, directives_ordering" >> $file
+find lib '!' -path '*generated*/*' '!' -name '*.g.dart' '!' -name '*.part.dart' -name '*.dart' | cut -c4- | awk -v package=$1 '{printf "import '\''package:lightmeter%s%s'\'';\n", package, $1}' >> $file
+echo "void main() {}" >> $file
+
 lcov --remove coverage/lcov.info 'lib/generated/*' 'lib/l10n/*' -o coverage/new_lcov.info
 genhtml coverage/new_lcov.info -o coverage/html
 open coverage/html/index.html