Add psalm

Author: simensen

.editorconfig

@@ -0,0 +1,11 @@
+; top-most EditorConfig file
+root = true
+
+# All files.
+[*]
+end_of_line = LF
+indent_style = space
+indent_size = 4
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
 
  - uses: shivammathur/setup-php@v2
  with:
- php-version: 7.2
+ php-version: 8.0
  extensions: curl, mbstring
  coverage: none
  tools: composer:v2, cs2pr
@@ -74,7 +74,7 @@ jobs:
 
  - uses: shivammathur/setup-php@v2
  with:
- php-version: 7.2
+ php-version: 8.0
  extensions: curl
  coverage: none
  tools: composer:v2
@@ -83,4 +83,22 @@ jobs:
 
  - run: vendor/bin/phpstan analyse --no-progress
 
- - run: vendor/bin/phpstan analyse --no-progress -c phpstan.tests.neon
+ - run: vendor/bin/phpstan analyse --no-progress -c phpstan.tests.neon
+
+ psalm:
+ name: Psalm
+ runs-on: ubuntu-latest
+
+ steps:
+ - uses: actions/checkout@v2
+
+ - uses: shivammathur/setup-php@v2
+ with:
+ php-version: 8.0
+ extensions: curl
+ coverage: none
+ tools: composer:v2
+
+ - run: composer update --no-progress
+
+ - run: vendor/bin/psalm --no-progress --output-format=github

composer.json

@@ -26,7 +26,8 @@
  "phpstan/phpstan": "^0.12",
  "phpstan/phpstan-phpunit": "^0.12.16",
  "phpstan/extension-installer": "^1.0",
- "scrutinizer/ocular": "^1.8"
+ "scrutinizer/ocular": "^1.8",
+ "vimeo/psalm": "^4.4"
  },
  "autoload-dev": {
  "psr-4": {