added predis and eseye back in.

vendor/web-token/jwt-core/Util/JsonConverter.php

@@ -0,0 +1,48 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2020 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\Core\Util;
+
+use RuntimeException;
+use Throwable;
+
+final class JsonConverter
+{
+    /**
+     * @param mixed $payload
+     *
+     * @throws RuntimeException if the payload cannot be encoded
+     */
+    public static function encode($payload): string
+    {
+        try {
+            return json_encode($payload, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+        } catch (Throwable $throwable) {
+            throw new RuntimeException('Invalid content.', $throwable->getCode(), $throwable);
+        }
+    }
+
+    /**
+     * @throws RuntimeException if the payload cannot be decoded
+     *
+     * @return mixed
+     */
+    public static function decode(string $payload)
+    {
+        try {
+            return json_decode($payload, true, 512, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE);
+        } catch (Throwable $throwable) {
+            throw new RuntimeException('Invalid content.', $throwable->getCode(), $throwable);
+        }
+    }
+}