Upgrading samples to flutter_lints, part 1 of n (#804)

web/_tool/analysis_options.yaml

@@ -0,0 +1 @@
+include: package:lints/recommended.yaml

web/_tool/common.dart

@@ -10,7 +10,7 @@ const ansiMagenta = 35;
 
 Future<bool> run(
     String workingDir, String commandName, List<String> args) async {
-  var commandDescription = '`${([commandName]..addAll(args)).join(' ')}`';
+  var commandDescription = '`${([commandName, ...args]).join(' ')}`';
 
   logWrapped(ansiMagenta, '  Running $commandDescription');
 

web/_tool/pubspec.lock

@@ -7,34 +7,41 @@ packages:
       name: args
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.0"
+    version: "2.1.1"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0-nullsafety.3"
+    version: "1.2.0"
+  lints:
+    dependency: "direct dev"
+    description:
+      name: lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
   markdown:
     dependency: "direct main"
     description:
       name: markdown
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "4.0.0-nullsafety.0"
+    version: "4.0.0"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0-nullsafety.6"
+    version: "1.4.0"
   path:
     dependency: "direct main"
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0-nullsafety.3"
+    version: "1.8.0"
 sdks:
-  dart: ">=2.12.0-0 <3.0.0"
+  dart: ">=2.12.0 <3.0.0"

web/_tool/pubspec.yaml

@@ -1,9 +1,12 @@
 name: tool
 publish_to: none
 
-environment:                                                            
-  sdk: '>=2.10.0 <3.0.0'
+environment:
+  sdk: '>=2.12.0 <3.0.0'
 
 dependencies:
-  markdown: ^4.0.0-nullsafety.0
-  path: ^1.8.0-nullsafety.3
+  markdown: ^4.0.0
+  path: ^1.8.0
+
+dev_dependencies:
+  lints: ^1.0.0

web/_tool/verify_packages.dart

@@ -27,8 +27,8 @@ void main() async {
     ]));
     results.add(await run(
       dir,
-      'dartanalyzer',
-      ['--fatal-infos', '--fatal-warnings', '.'],
+      'flutter',
+      ['analyze', '--fatal-infos', '--fatal-warnings', '.'],
     ));
     _printStatus(results);
   }