Don't use incremental build in webgpu-cts/scripts/list.py

The incremental build can become stale for unknown reasons,
breaking presubmits. Disable it for now.

Bug: dawn:1395
Change-Id: I83a71da0006ee3184b8df2996d8e53b6efbcc20a
Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/89640
Reviewed-by: Corentin Wallez <cwallez@chromium.org>
Commit-Queue: Austin Eng <enga@chromium.org>
Kokoro: Kokoro <noreply+kokoro@google.com>

webgpu-cts/scripts/compile_src.py

@@ -32,7 +32,7 @@ finally:
 
 def compile_src(out_dir):
     # First, clean the output directory so deleted files are pruned from old builds.
-    shutil.rmtree(out_dir)
+    shutil.rmtree(out_dir, ignore_errors=True)
 
     run_tsc_ignore_errors([
         "--project",
@@ -56,7 +56,7 @@ def compile_src_for_node(out_dir, additional_args=None, clean=True):
     additional_args = additional_args or []
     if clean:
         # First, clean the output directory so deleted files are pruned from old builds.
-        shutil.rmtree(out_dir)
+        shutil.rmtree(out_dir, ignore_errors=True)
 
     args = [
         "--project",

webgpu-cts/scripts/list.py

@@ -35,11 +35,9 @@ def list_testcases(query, js_out_dir=None):
 
     try:
         logging.info('WebGPU CTS: Transpiling tools...')
-        compile_src_for_node(js_out_dir, [
-            '--incremental', '--tsBuildInfoFile',
-            os.path.join(js_out_dir, 'build.tsbuildinfo')
-        ],
-                             clean=False)
+        # TODO(crbug.com/dawn/1395): Bring back usage of an incremental build to
+        # speed up this operation. It was disabled due to flakiness.
+        compile_src_for_node(js_out_dir)
 
         old_sys_path = sys.path
         try: