Subiendo proyecto completo sin restricciones de git ignore

vendor/maatwebsite/excel/src/Helpers/ArrayHelper.php

@@ -0,0 +1,31 @@
+<?php
+
+namespace Maatwebsite\Excel\Helpers;
+
+class ArrayHelper
+{
+    /**
+     * @param  array  $array
+     * @return array
+     */
+    public static function ensureMultipleRows(array $array): array
+    {
+        if (static::hasMultipleRows($array)) {
+            return $array;
+        }
+
+        return [$array];
+    }
+
+    /**
+     * Only have multiple rows, if each
+     * element in the array is an array itself.
+     *
+     * @param  array  $array
+     * @return bool
+     */
+    public static function hasMultipleRows(array $array): bool
+    {
+        return count($array) === count(array_filter($array, 'is_array'));
+    }
+}

vendor/maatwebsite/excel/src/Helpers/CellHelper.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace Maatwebsite\Excel\Helpers;
+
+class CellHelper
+{
+    /**
+     * @param  string  $coordinate
+     * @return string
+     */
+    public static function getColumnFromCoordinate(string $coordinate): string
+    {
+        return preg_replace('/[0-9]/', '', $coordinate);
+    }
+}

vendor/maatwebsite/excel/src/Helpers/FileTypeDetector.php

@@ -0,0 +1,54 @@
+<?php
+
+namespace Maatwebsite\Excel\Helpers;
+
+use Maatwebsite\Excel\Exceptions\NoTypeDetectedException;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
+
+class FileTypeDetector
+{
+    /**
+     * @param  $filePath
+     * @param  string|null  $type
+     * @return string|null
+     *
+     * @throws NoTypeDetectedException
+     */
+    public static function detect($filePath, string $type = null)
+    {
+        if (null !== $type) {
+            return $type;
+        }
+
+        if (!$filePath instanceof UploadedFile) {
+            $pathInfo  = pathinfo($filePath);
+            $extension = $pathInfo['extension'] ?? '';
+        } else {
+            $extension = $filePath->getClientOriginalExtension();
+        }
+
+        if (null === $type && trim($extension) === '') {
+            throw new NoTypeDetectedException();
+        }
+
+        return config('excel.extension_detector.' . strtolower($extension));
+    }
+
+    /**
+     * @param  string  $filePath
+     * @param  string|null  $type
+     * @return string
+     *
+     * @throws NoTypeDetectedException
+     */
+    public static function detectStrict(string $filePath, string $type = null): string
+    {
+        $type = static::detect($filePath, $type);
+
+        if (!$type) {
+            throw new NoTypeDetectedException();
+        }
+
+        return $type;
+    }
+}