Psalm level 1 (#75)

.github/workflows/static.yml

@@ -29,4 +29,12 @@ jobs:
       os: >-
         ['ubuntu-latest']
       php: >-
-        ['8.0', '8.1']
+        ['8.1', '8.2', '8.3']
+  psalm80:
+    uses: yiisoft/actions/.github/workflows/psalm.yml@master
+    with:
+      psalm-config: psalm80.xml
+      os: >-
+        ['ubuntu-latest']
+      php: >-
+        ['8.0']

composer.json

@@ -30,7 +30,7 @@
         "rector/rector": "^1.0.0",
         "roave/infection-static-analysis-plugin": "^1.16",
         "spatie/phpunit-watcher": "^1.23",
-        "vimeo/psalm": "^4.30|^5.6",
+        "vimeo/psalm": "^4.30|^5.21",
         "yiisoft/aliases": "^3.0",
         "yiisoft/di": "^1.2"
     },

psalm.xml

@@ -1,13 +1,20 @@
 <?xml version="1.0"?>
 <psalm
-    errorLevel="2"
+    errorLevel="1"
     findUnusedBaselineEntry="true"
     findUnusedCode="false"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns="https://getpsalm.org/schema/config"
     xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
 >
     <projectFiles>
-        <directory name="src"/>
+        <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
     </projectFiles>
+    <issueHandlers>
+        <MixedAssignment errorLevel="suppress" />
+        <RiskyTruthyFalsyComparison errorLevel="suppress" />
+    </issueHandlers>
 </psalm>

psalm80.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0"?>
+<psalm
+    errorLevel="1"
+    findUnusedBaselineEntry="true"
+    findUnusedCode="false"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+>
+    <projectFiles>
+        <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
+    </projectFiles>
+    <issueHandlers>
+        <MixedAssignment errorLevel="suppress" />
+    </issueHandlers>
+</psalm>

src/FileCache.php

@@ -418,6 +418,9 @@ private function validateKey(string $key): void
         }
     }
 
+    /**
+     * @param string[] $keys
+     */
     private function validateKeys(array $keys): void
     {
         foreach ($keys as $key) {
@@ -432,6 +435,11 @@ private function existsAndNotExpired(string $file): bool
 
     /**
      * Converts iterable to array.
+     *
+     * @psalm-template TKey
+     * @psalm-template TValue
+     * @psalm-param iterable<TKey, TValue> $iterable
+     * @psalm-return array<TKey, TValue>
      */
     private function iterableToArray(iterable $iterable): array
     {