[all] melos analyzer support null safety (#115)

* melos analyzer support null safety

* remove version from include of analysis options

* override analysis options for example projects in android_intent_plus and package_info_plus

Author: miquelbeltran

analysis_options.yaml

@@ -4,9 +4,11 @@
 #
 # include: ../../analysis_options.yaml
 #
-include: package:pedantic/analysis_options.1.9.0.yaml
+include: package:pedantic/analysis_options.yaml
 
 analyzer:
+  enable-experiment:
+    - non-nullable
   exclude:
     # Ignore generated files
     - '**/*.g.dart'

melos.yaml

@@ -85,8 +85,8 @@ scripts:
       rm -rf ./build ./android/.gradle ./ios/.symlinks ./ios/Pods ./android/.idea ./.idea ./.dart-tool/build
 
 dev_dependencies:
-  pedantic: 1.9.2
+  pedantic: 1.10.0-nullsafety
 
 environment:
-  sdk: ">=2.1.0 <3.0.0"
+  sdk: ">=2.12.0-0 <3.0.0"
   flutter: ">=1.12.13+hotfix.5 <2.0.0"

packages/android_intent_plus/example/analysis_options.yaml

@@ -0,0 +1,14 @@
+# TODO: Remove this when migrated to null safety
+include: package:pedantic/analysis_options.yaml
+
+analyzer:
+  exclude:
+    # Ignore generated files
+    - '**/*.g.dart'
+    - 'lib/src/generated/*.dart'
+
+linter:
+  rules:
+    public_member_api_docs: true
+    prefer_final_in_for_each: true
+    prefer_final_locals: true

packages/package_info_plus/example/analysis_options.yaml

@@ -0,0 +1,14 @@
+# TODO: Remove this when migrated to null safety
+include: package:pedantic/analysis_options.yaml
+
+analyzer:
+  exclude:
+    # Ignore generated files
+    - '**/*.g.dart'
+    - 'lib/src/generated/*.dart'
+
+linter:
+  rules:
+    public_member_api_docs: true
+    prefer_final_in_for_each: true
+    prefer_final_locals: true