propagate --onlyChanged through UI

packages/playwright-core/src/server/trace/viewer/traceViewer.ts

@@ -39,6 +39,7 @@ export type TraceViewerRedirectOptions = {
   args?: string[];
   grep?: string;
   grepInvert?: string;
+  onlyChanged?: string;
   project?: string[];
   workers?: number | string;
   headed?: boolean;
@@ -123,6 +124,8 @@ export async function installRootRedirect(server: HttpServer, traceUrls: string[
     params.append('grep', options.grep);
   if (options.grepInvert)
     params.append('grepInvert', options.grepInvert);
+  if (options.onlyChanged)
+    params.append('onlyChanged', options.onlyChanged);
   for (const project of options.project || [])
     params.append('project', project);
   if (options.workers)

packages/playwright/src/isomorphic/testServerInterface.ts

@@ -88,6 +88,7 @@ export interface TestServerInterface {
     locations?: string[];
     grep?: string;
     grepInvert?: string;
+    onlyChanged?: string;
     testIds?: string[];
     headed?: boolean;
     workers?: number | string;

packages/playwright/src/program.ts

@@ -179,6 +179,7 @@ async function runTests(args: string[], opts: { [key: string]: any }) {
       args,
       grep: opts.grep as string | undefined,
       grepInvert: opts.grepInvert as string | undefined,
+      onlyChanged: getOnlyChangedArg(opts.onlyChanged),
       project: opts.project || undefined,
       headed: opts.headed,
       reporter: Array.isArray(opts.reporter) ? opts.reporter : opts.reporter ? [opts.reporter] : undefined,

packages/playwright/src/runner/testServer.ts

@@ -335,6 +335,7 @@ class TestServerDispatcher implements TestServerInterface {
     config.cliArgs = params.locations || [];
     config.cliGrep = params.grep;
     config.cliGrepInvert = params.grepInvert;
+    config.cliOnlyChanged = params.onlyChanged;
     config.cliProjectFilter = params.projects?.length ? params.projects : undefined;
     config.testIdMatcher = testIdSet ? id => testIdSet.has(id) : undefined;
 

packages/trace-viewer/src/ui/uiModeView.tsx

@@ -56,6 +56,7 @@ const queryParams = {
   args: searchParams.getAll('arg'),
   grep: searchParams.get('grep') || undefined,
   grepInvert: searchParams.get('grepInvert') || undefined,
+  onlyChanged: searchParams.get('onlyChanged') || undefined,
   projects: searchParams.getAll('project'),
   workers: searchParams.get('workers') || undefined,
   timeout: searchParams.has('timeout') ? +searchParams.get('timeout')! : undefined,
@@ -282,6 +283,7 @@ export const UIModeView: React.FC<{}> = ({
         locations: queryParams.args,
         grep: queryParams.grep,
         grepInvert: queryParams.grepInvert,
+        onlyChanged: queryParams.onlyChanged,
         testIds: [...testIds],
         projects: [...projectFilters].filter(([_, v]) => v).map(([p]) => p),
         workers: queryParams.workers,