feat(watch mode): Add watch mode support with CLI options and enhanced documentation

ts/index.ts

@@ -16,6 +16,8 @@ export const runCli = async () => {
   let startFromFile: number | null = null;
   let stopAtFile: number | null = null;
   let timeoutSeconds: number | null = null;
+  let watchMode: boolean = false;
+  let watchIgnorePatterns: string[] = [];
   
   // Parse options
   for (let i = 0; i < args.length; i++) {
@@ -84,6 +86,18 @@ export const runCli = async () => {
           process.exit(1);
         }
         break;
+      case '--watch':
+      case '-w':
+        watchMode = true;
+        break;
+      case '--watch-ignore':
+        if (i + 1 < args.length) {
+          watchIgnorePatterns = args[++i].split(',');
+        } else {
+          console.error('Error: --watch-ignore requires a comma-separated list of patterns');
+          process.exit(1);
+        }
+        break;
       default:
         if (!arg.startsWith('-')) {
           testPath = arg;
@@ -110,6 +124,8 @@ export const runCli = async () => {
     console.error('  --startFrom <n>   Start running from test file number n');
     console.error('  --stopAt <n>      Stop running at test file number n');
     console.error('  --timeout <s>     Timeout test files after s seconds');
+    console.error('  --watch, -w       Watch for file changes and re-run tests');
+    console.error('  --watch-ignore    Patterns to ignore in watch mode (comma-separated)');
     process.exit(1);
   }
   
@@ -125,7 +141,12 @@ export const runCli = async () => {
   }
   
   const tsTestInstance = new TsTest(process.cwd(), testPath, executionMode, logOptions, tags, startFromFile, stopAtFile, timeoutSeconds);
-  await tsTestInstance.run();
+  
+  if (watchMode) {
+    await tsTestInstance.runWatch(watchIgnorePatterns);
+  } else {
+    await tsTestInstance.run();
+  }
 };
 
 // Execute CLI when this file is run directly