Enhancement: Use phpstan/phpstan instead of vimeo/psalm

.editorconfig

@@ -15,6 +15,10 @@ end_of_line               = lf
 insert_final_newline      = true
 trim_trailing_whitespace  = true
 
+[*.neon]
+indent_size = 4
+indent_style = tab
+
 [*.php]
 indent_size               = 4
 

.gitattributes

@@ -1,9 +1,9 @@
-/.github/           export-ignore
-/.editorconfig      export-ignore
-/.gitattributes     export-ignore
-/.gitignore         export-ignore
-/.php-cs-fixer.php  export-ignore
-/composer.lock      export-ignore
-/Makefile           export-ignore
-/psalm-baseline.xml export-ignore
-/psalm.xml          export-ignore
+/.github/               export-ignore
+/.editorconfig          export-ignore
+/.gitattributes         export-ignore
+/.gitignore             export-ignore
+/.php-cs-fixer.php      export-ignore
+/composer.lock          export-ignore
+/Makefile               export-ignore
+/phpstan-baseline.neon  export-ignore
+/phpstan.neon           export-ignore

.github/CONTRIBUTING.md

@@ -22,7 +22,7 @@ to automatically fix coding standard violations.
 
 ## Static Code Analysis
 
-We are using [`vimeo/psalm`](https://github.com/vimeo/psalm) to statically analyze the code.
+We use [`phpstan/phpstan`](https://github.com/phpstan/phpstan) to statically analyze the code.
 
 Run
 
@@ -32,15 +32,15 @@ make static-code-analysis
 
 to run a static code analysis.
 
-We are also using the baseline feature of [`vimeo/psalm`](https://psalm.dev/docs/running_psalm/dealing_with_code_issues/#using-a-baseline-file).
+We also use the baseline feature of [`phpstan/phpstan`](https://phpstan.org/user-guide/baseline).
 
 Run
 
 ```sh
 make static-code-analysis-baseline
 ```
 
-to regenerate the baseline in [`../psalm-baseline.xml`](../psalm-baseline.xml).
+to regenerate the baseline in [`../phpstan-baseline.neon`](../phpstan-baseline.neon).
 
 :exclamation: Ideally, the baseline should shrink over time.
 

.github/workflows/integrate.yaml

@@ -87,7 +87,7 @@ jobs:
         uses: "shivammathur/setup-php@2.32.0"
         with:
           coverage: "none"
-          extensions: "none, ctype, curl, dom, json, mbstring, opcache, pcntl, phar, posix, simplexml, tokenizer, xml, xmlwriter"
+          extensions: "none, json, mbstring, tokenizer"
           php-version: "${{ matrix.php-version }}"
 
       - name: "Set up problem matchers for PHP"
@@ -111,5 +111,5 @@ jobs:
         with:
           dependencies: "${{ matrix.dependencies }}"
 
-      - name: "Run vimeo/psalm"
-        run: "vendor/bin/psalm --config=psalm.xml --output-format=github --shepherd --show-info=false --stats --threads=4"
+      - name: "Run phpstan/phpstan"
+        run: "vendor/bin/phpstan --ansi --configuration=phpstan.neon --memory-limit=-1"

Makefile

@@ -11,14 +11,14 @@ help: ## Displays this list of targets with descriptions
 	@grep -E '^[a-zA-Z0-9_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[32m%-30s\033[0m %s\n", $$1, $$2}'
 
 .PHONY: static-code-analysis
-static-code-analysis: vendor ## Runs a static code analysis with vimeo/psalm
-	vendor/bin/psalm --config=psalm.xml --clear-cache
-	vendor/bin/psalm --config=psalm.xml --show-info=false --stats --threads=4
+static-code-analysis: vendor ## Runs a static code analysis with phpstan/phpstan
+	vendor/bin/phpstan clear-result-cache --configuration=phpstan.neon
+	vendor/bin/phpstan --configuration=phpstan.neon --memory-limit=-1
 
 .PHONY: static-code-analysis-baseline
-static-code-analysis-baseline: vendor ## Generates a baseline for static code analysis with vimeo/psalm
-	vendor/bin/psalm --config=psalm.xml --clear-cache
-	vendor/bin/psalm --config=psalm.xml --set-baseline=psalm-baseline.xml
+static-code-analysis-baseline: vendor ## Generates a baseline for static code analysis with phpstan/phpstan
+	vendor/bin/phpstan clear-result-cache --configuration=phpstan.neon
+	vendor/bin/phpstan --allow-empty-baseline --configuration=phpstan.neon --generate-baseline=phpstan-baseline.neon --memory-limit=-1
 
 vendor: composer.json composer.lock
 	composer validate --strict

composer.json

@@ -23,7 +23,9 @@
   "require-dev": {
     "ergebnis/composer-normalize": "^2.45.0",
     "ergebnis/php-cs-fixer-config": "^6.39.0",
-    "vimeo/psalm": "^5.26.1"
+    "phpstan/phpstan": "^2.1.0",
+    "phpstan/phpstan-deprecation-rules": "^2.0.1",
+    "phpstan/phpstan-strict-rules": "^2.0.1"
   },
   "autoload": {
     "psr-4": {