add tests for sourcemaps feature

tests/Feature/IntegrationTest.php

@@ -57,6 +57,32 @@
         JS
     );
 
+// These two should be browser tests? or can we get the file's hash some other wayy?
+test('generated bundles are reachable over http')->todo();
+test('generated chunks are reachable over http')->skip('Code splitting not implemented');
+
+
+it('generates sourcemaps when enabled')
+    ->defer(
+        fn () => config()->set('bundle.sourcemaps_enabled', true)
+    )
+    ->bundle(
+        <<< JS
+        const filter = await import('lodash/filter')
+        JS
+    )
+    ->content()
+    ->toContain('//# debugId');
+
+it('doesnt generate sourcemaps by default')
+    ->bundle(
+        <<< JS
+        const filter = await import('lodash/filter')
+        JS
+    )
+    ->content()
+    ->not->toContain('//# debugId');
+
 
 it('imports from node_modules are chunked')->todo();
 it('imports from outside node_modules are inlined (due to issue with Bun)')->todo();

tests/Pest.php

@@ -41,8 +41,11 @@
 expect()->extend('transpilesTo', function (string $expected = '') {
     // Add newline to passed expectation, this isn't present when passing HEREDOC
     $expected = $expected . PHP_EOL;
+    return expect($this->value)->content()->toBe($expected);
+});
 
-    return expect($this->value)->toBe($expected);
+expect()->extend('content', function (string $expected = '') {
+    return expect($this->value);
 });
 
 /*