Add types to all the things!

Author: ramsey

src/Grant/AbstractGrant.php

@@ -40,25 +40,21 @@ abstract class AbstractGrant
     /**
      * Returns the name of this grant, eg. 'grant_name', which is used as the
      * grant type when encoding URL query parameters.
-     *
-     * @return string
      */
-    abstract protected function getName();
+    abstract protected function getName(): string;
 
     /**
      * Returns a list of all required request parameters.
      *
      * @return list<string>
      */
-    abstract protected function getRequiredRequestParameters();
+    abstract protected function getRequiredRequestParameters(): array;
 
     /**
      * Returns this grant's name as its string representation. This allows for
      * string interpolation when building URL query parameters.
-     *
-     * @return string
      */
-    public function __toString()
+    public function __toString(): string
     {
         return $this->getName();
     }
@@ -72,7 +68,7 @@ public function __toString()
      *
      * @return array<string, mixed>
      */
-    public function prepareRequestParameters(array $defaults, array $options)
+    public function prepareRequestParameters(array $defaults, array $options): array
     {
         $defaults['grant_type'] = $this->getName();
 

src/Grant/AuthorizationCode.php

@@ -24,18 +24,15 @@
  */
 class AuthorizationCode extends AbstractGrant
 {
-    /**
-     * @inheritdoc
-     */
-    protected function getName()
+    protected function getName(): string
     {
         return 'authorization_code';
     }
 
     /**
      * @inheritdoc
      */
-    protected function getRequiredRequestParameters()
+    protected function getRequiredRequestParameters(): array
     {
         return [
             'code',

src/Grant/ClientCredentials.php

@@ -24,18 +24,15 @@
  */
 class ClientCredentials extends AbstractGrant
 {
-    /**
-     * @inheritdoc
-     */
-    protected function getName()
+    protected function getName(): string
     {
         return 'client_credentials';
     }
 
     /**
      * @inheritdoc
      */
-    protected function getRequiredRequestParameters()
+    protected function getRequiredRequestParameters(): array
     {
         return [];
     }

src/Grant/GrantFactory.php

@@ -41,10 +41,8 @@ class GrantFactory
 
     /**
      * Defines a grant singleton in the registry.
-     *
-     * @return self
      */
-    public function setGrant(string $name, AbstractGrant $grant)
+    public function setGrant(string $name, AbstractGrant $grant): static
     {
         $this->registry[$name] = $grant;
 
@@ -55,10 +53,8 @@ public function setGrant(string $name, AbstractGrant $grant)
      * Returns a grant singleton by name.
      *
      * If the grant has not be registered, a default grant will be loaded.
-     *
-     * @return AbstractGrant
      */
-    public function getGrant(string $name)
+    public function getGrant(string $name): AbstractGrant
     {
         if (!isset($this->registry[$name])) {
             $this->registerDefaultGrant($name);
@@ -70,10 +66,8 @@ public function getGrant(string $name)
 
     /**
      * Registers a default grant singleton by name.
-     *
-     * @return self
      */
-    protected function registerDefaultGrant(string $name)
+    protected function registerDefaultGrant(string $name): static
     {
         // PascalCase the grant. E.g: 'authorization_code' becomes 'AuthorizationCode'
         $class = str_replace(' ', '', ucwords(str_replace(['-', '_'], ' ', $name)));
@@ -87,11 +81,9 @@ protected function registerDefaultGrant(string $name)
     /**
      * Determines if a variable is a valid grant.
      *
-     * @return bool
-     *
      * @phpstan-assert-if-true class-string<AbstractGrant> | AbstractGrant $class
      */
-    public function isGrant(mixed $class)
+    public function isGrant(mixed $class): bool
     {
         if (!is_string($class) && !is_object($class)) {
             return false;
@@ -103,22 +95,18 @@ public function isGrant(mixed $class)
     /**
      * Checks if a variable is a valid grant.
      *
-     * @return void
-     *
      * @throws InvalidGrantException
      *
      * @phpstan-assert class-string<AbstractGrant> | AbstractGrant $class
      */
-    public function checkGrant(mixed $class)
+    public function checkGrant(mixed $class): void
     {
         if (!$this->isGrant($class)) {
-            if (is_object($class)) {
-                $type = $class::class;
-            } elseif (is_scalar($class)) {
-                $type = $class;
-            } else {
-                $type = gettype($class);
-            }
+            $type = match (true) {
+                is_object($class) => $class::class,
+                is_scalar($class) => $class,
+                default => gettype($class),
+            };
 
             throw new InvalidGrantException(sprintf('Grant "%s" must extend AbstractGrant', $type));
         }

src/Grant/Password.php

@@ -24,18 +24,15 @@
  */
 class Password extends AbstractGrant
 {
-    /**
-     * @inheritdoc
-     */
-    protected function getName()
+    protected function getName(): string
     {
         return 'password';
     }
 
     /**
      * @inheritdoc
      */
-    protected function getRequiredRequestParameters()
+    protected function getRequiredRequestParameters(): array
     {
         return [
             'username',

src/Grant/RefreshToken.php

@@ -24,18 +24,15 @@
  */
 class RefreshToken extends AbstractGrant
 {
-    /**
-     * @inheritdoc
-     */
-    protected function getName()
+    protected function getName(): string
     {
         return 'refresh_token';
     }
 
     /**
      * @inheritdoc
      */
-    protected function getRequiredRequestParameters()
+    protected function getRequiredRequestParameters(): array
     {
         return [
             'refresh_token',

src/OptionProvider/OptionProviderInterface.php

@@ -29,5 +29,5 @@ interface OptionProviderInterface
      *
      * @return array<string, mixed>
      */
-    public function getAccessTokenOptions(string $method, array $params);
+    public function getAccessTokenOptions(string $method, array $params): array;
 }

src/OptionProvider/PostAuthOptionProvider.php

@@ -47,10 +47,8 @@ public function getAccessTokenOptions(string $method, array $params): array
      * Returns the request body for requesting an access token.
      *
      * @param array<string, mixed> $params
-     *
-     * @return string
      */
-    protected function getAccessTokenBody(array $params)
+    protected function getAccessTokenBody(array $params): string
     {
         return $this->buildQueryString($params);
     }