+/**
+ * Get a path to a theme resource.
+ * Returns null if a theme is not configured and
+ * therefore a full path is not available for use.
+ */
+function theme_path(string $path = ''): ?string
+{
+ $theme = config('view.theme');
+
+ if (!$theme) {
+ return null;
+ }
+
+ return base_path('themes/' . $theme . ($path ? DIRECTORY_SEPARATOR . $path : $path));
+}
+
+/**
+ * Get fetch an SVG icon as a string.
+ * Checks for icons defined within a custom theme before defaulting back
+ * to the 'resources/assets/icons' folder.
+ *
+ * Returns an empty string if icon file not found.
+ */
+function icon(string $name, array $attrs = []): string
+{
+ $attrs = array_merge([
+ 'class' => 'svg-icon',
+ 'data-icon' => $name,
+ 'role' => 'presentation',
+ ], $attrs);
+ $attrString = ' ';
+ foreach ($attrs as $attrName => $attr) {
+ $attrString .= $attrName . '="' . $attr . '" ';
+ }
+
+ $iconPath = resource_path('icons/' . $name . '.svg');
+ $themeIconPath = theme_path('icons/' . $name . '.svg');
+
+ if ($themeIconPath && file_exists($themeIconPath)) {
+ $iconPath = $themeIconPath;
+ } elseif (!file_exists($iconPath)) {
+ return '';
+ }
+
+ $fileContents = file_get_contents($iconPath);
+
+ return str_replace('<svg', '<svg' . $attrString, $fileContents);
+}
+