Initial Commit

dependencies/guzzlehttp/promises/src/Create.php

@@ -0,0 +1,75 @@
+<?php
+
+namespace WP_Ultimo\Dependencies\GuzzleHttp\Promise;
+
+final class Create
+{
+    /**
+     * Creates a promise for a value if the value is not a promise.
+     *
+     * @param mixed $value Promise or value.
+     *
+     * @return PromiseInterface
+     */
+    public static function promiseFor($value)
+    {
+        if ($value instanceof PromiseInterface) {
+            return $value;
+        }
+        // Return a Guzzle promise that shadows the given promise.
+        if (\is_object($value) && \method_exists($value, 'then')) {
+            $wfn = \method_exists($value, 'wait') ? [$value, 'wait'] : null;
+            $cfn = \method_exists($value, 'cancel') ? [$value, 'cancel'] : null;
+            $promise = new Promise($wfn, $cfn);
+            $value->then([$promise, 'resolve'], [$promise, 'reject']);
+            return $promise;
+        }
+        return new FulfilledPromise($value);
+    }
+    /**
+     * Creates a rejected promise for a reason if the reason is not a promise.
+     * If the provided reason is a promise, then it is returned as-is.
+     *
+     * @param mixed $reason Promise or reason.
+     *
+     * @return PromiseInterface
+     */
+    public static function rejectionFor($reason)
+    {
+        if ($reason instanceof PromiseInterface) {
+            return $reason;
+        }
+        return new RejectedPromise($reason);
+    }
+    /**
+     * Create an exception for a rejected promise value.
+     *
+     * @param mixed $reason
+     *
+     * @return \Exception|\Throwable
+     */
+    public static function exceptionFor($reason)
+    {
+        if ($reason instanceof \Exception || $reason instanceof \Throwable) {
+            return $reason;
+        }
+        return new RejectionException($reason);
+    }
+    /**
+     * Returns an iterator for the given value.
+     *
+     * @param mixed $value
+     *
+     * @return \Iterator
+     */
+    public static function iterFor($value)
+    {
+        if ($value instanceof \Iterator) {
+            return $value;
+        }
+        if (\is_array($value)) {
+            return new \ArrayIterator($value);
+        }
+        return new \ArrayIterator([$value]);
+    }
+}