bug #22 Allowing a custom input_path relative to the project (weaverr…

…yan)

This PR was merged into the main branch.

Discussion
----------

Allowing a custom input_path relative to the project

The option is already documented this way, but wasn't working unless it was the full path.

Should be repeated for https://github.com/SymfonyCasts/sass-bundle

Commits
-------

aa904a5 Allowing a custom input_path relative to the project

src/TailwindBuilder.php

@@ -21,13 +21,23 @@
 class TailwindBuilder
 {
     private ?SymfonyStyle $output = null;
+    private readonly string $inputPath;
 
     public function __construct(
         private readonly string $projectRootDir,
-        private readonly string $inputPath,
+        string $inputPath,
         private readonly string $tailwindVarDir,
         private readonly ?string $binaryPath = null,
     ) {
+        if (is_file($inputPath)) {
+            $this->inputPath = $inputPath;
+        } else {
+            $this->inputPath = $projectRootDir.'/'.$inputPath;
+
+            if (!is_file($this->inputPath)) {
+                throw new \InvalidArgumentException(sprintf('The input CSS file "%s" does not exist.', $inputPath));
+            }
+        }
     }
 
     public function runBuild(bool $watch): Process