BREAKING CHANGE(smartwatch): Introduce Smartwatch: cross-runtime native file watching for Node.js, Deno and Bun; rename smartchok to smartwatch and bump major version to 2.0.0

ts/watchers/interfaces.ts

@@ -0,0 +1,47 @@
+import type * as fs from 'fs';
+import type * as smartrx from '@push.rocks/smartrx';
+
+/**
+ * File system event types that the watcher emits
+ */
+export type TWatchEventType = 'add' | 'addDir' | 'change' | 'unlink' | 'unlinkDir' | 'ready' | 'error';
+
+/**
+ * Data structure for watch events
+ */
+export interface IWatchEvent {
+  type: TWatchEventType;
+  path: string;
+  stats?: fs.Stats;
+  error?: Error;
+}
+
+/**
+ * Options for creating a watcher
+ */
+export interface IWatcherOptions {
+  /** Base paths to watch (extracted from glob patterns) */
+  basePaths: string[];
+  /** Maximum directory depth to watch */
+  depth: number;
+  /** Whether to follow symbolic links */
+  followSymlinks: boolean;
+  /** Stability threshold for write detection (ms) */
+  stabilityThreshold: number;
+  /** Poll interval for write detection (ms) */
+  pollInterval: number;
+}
+
+/**
+ * Common interface for file watchers across runtimes
+ */
+export interface IWatcher {
+  /** Start watching files */
+  start(): Promise<void>;
+  /** Stop watching and clean up */
+  stop(): Promise<void>;
+  /** Whether the watcher is currently active */
+  readonly isWatching: boolean;
+  /** Subject that emits watch events */
+  readonly events$: smartrx.rxjs.Subject<IWatchEvent>;
+}