Add compatibility for Laravel 5.5 (#26)

.travis.yml

@@ -20,6 +20,7 @@ env:
   - LARAVEL_VERSION=5.8.* TESTBENCH_VERSION=3.8.*
   - LARAVEL_VERSION=5.7.* TESTBENCH_VERSION=3.7.*
   - LARAVEL_VERSION=5.6.* TESTBENCH_VERSION=3.6.*
+  - LARAVEL_VERSION=5.5.* TESTBENCH_VERSION=3.5.*
 
 before_script:
   - composer self-update

README.md

@@ -14,7 +14,7 @@ Rapid pagination without using OFFSET
 ## Requirements
 
 - PHP: ^7.1
-- Laravel: ^5.6 || ^6.0 || ^7.0
+- Laravel: ^5.5 || ^5.6 || ^6.0 || ^7.0
 - [lampager/lampager](https://github.com/lampager/lampager): ^0.4
 
 ## Installing

composer.json

@@ -24,9 +24,9 @@
         "php": "^7.1",
         "ext-json": "*",
         "lampager/lampager": "^0.4",
-        "illuminate/contracts": "^5.6 || ^6.0 || ^7.0 || ^8.0",
-        "illuminate/support": "^5.6 || ^6.0 || ^7.0 || ^8.0",
-        "illuminate/database": "^5.6 || ^6.0 || ^7.0 || ^8.0"
+        "illuminate/contracts": "^5.5 || ^5.6 || ^6.0 || ^7.0 || ^8.0",
+        "illuminate/support": "^5.5 || ^5.6 || ^6.0 || ^7.0 || ^8.0",
+        "illuminate/database": "^5.5 || ^5.6 || ^6.0 || ^7.0 || ^8.0"
     },
     "require-dev": {
         "orchestra/testbench": "^4.0",

tests/JsonResource.php

@@ -0,0 +1,21 @@
+<?php
+
+namespace Lampager\Laravel\Tests;
+
+use Illuminate\Http\Resources\Json\JsonResource as BaseJsonResource;
+
+if (class_exists(BaseJsonResource::class)) {
+    /**
+     * To support testing Laravel version 7 and up.
+     */
+    class JsonResource extends BaseJsonResource
+    {
+    }
+} else {
+    /**
+     * To support testing until Laravel version 7.
+     */
+    class JsonResource extends \Illuminate\Http\Resources\Json\Resource
+    {
+    }
+}

tests/PostResource.php

@@ -2,7 +2,6 @@
 
 namespace Lampager\Laravel\Tests;
 
-use Illuminate\Http\Resources\Json\JsonResource;
 use Lampager\Laravel\LampagerResourceTrait;
 
 /**

tests/TagResource.php

@@ -2,7 +2,6 @@
 
 namespace Lampager\Laravel\Tests;
 
-use Illuminate\Http\Resources\Json\JsonResource;
 use Lampager\Laravel\LampagerResourceTrait;
 
 /**