test: include mobile app in root test runner

scripts/run-tests.mjs

@@ -5,10 +5,26 @@ if (testArgs[0] === '--') {
   testArgs.shift()
 }
 
+const workspaceTarget = findWorkspaceTarget(testArgs)
+if (workspaceTarget) {
+  run('pnpm', [
+    '--filter',
+    workspaceTarget.filter,
+    'exec',
+    'vitest',
+    'run',
+    '--config',
+    'vitest.config.ts',
+    ...workspaceTarget.args,
+  ])
+  process.exit(0)
+}
+
 run('pnpm', ['exec', 'vitest', 'run', ...testArgs])
 
-if (testArgs.length === 0) {
-  run('pnpm', ['--filter', './packages/*', 'test'])
+if (isFullSuite(testArgs)) {
+  run('pnpm', ['--filter', './apps/*', 'test', '--', ...testArgs])
+  run('pnpm', ['--filter', './packages/*', 'test', '--', ...testArgs])
 }
 
 function run(command, args) {
@@ -25,3 +41,24 @@ function run(command, args) {
     process.exit(result.status ?? 1)
   }
 }
+
+function findWorkspaceTarget(args) {
+  const workspacePaths = ['./apps/mobile', './packages/markdown']
+  return workspacePaths.map((workspacePath) => rebaseArgs(workspacePath, args)).find(Boolean)
+}
+
+function rebaseArgs(workspacePath, args) {
+  const prefix = `${workspacePath.slice(2)}/`
+  if (!args.some((arg) => arg.startsWith(prefix))) {
+    return null
+  }
+
+  return {
+    filter: workspacePath,
+    args: args.map((arg) => arg.startsWith(prefix) ? arg.slice(prefix.length) : arg),
+  }
+}
+
+function isFullSuite(args) {
+  return args.every((arg) => arg.startsWith('-'))
+}