🔨 Refactor: change macos clipboard watcher implementment

src/main/utils/clipboardPoll.ts

@@ -0,0 +1,48 @@
+import { clipboard, nativeImage } from 'electron'
+import { EventEmitter } from 'events'
+
+class ClipboardWatcher extends EventEmitter {
+  lastImage: Electron.NativeImage | null
+  timer: NodeJS.Timeout | null
+
+  constructor () {
+    super()
+    this.lastImage = null
+    this.timer = null
+  }
+
+  startListening (watchDelay = 500) {
+    if (this.timer) {
+      clearInterval(this.timer)
+    }
+
+    this.timer = setInterval(() => {
+      const image = clipboard.readImage()
+      if (image.isEmpty()) {
+        return
+      }
+
+      const dataUrl = image.toDataURL()
+      const currentImage = nativeImage.createFromDataURL(dataUrl)
+
+      if (this.lastImage) {
+        const lastDataUrl = this.lastImage.toDataURL()
+        if (lastDataUrl === dataUrl) {
+          return
+        }
+      }
+
+      this.lastImage = currentImage
+      this.emit('change', currentImage)
+    }, watchDelay)
+  }
+
+  stopListening () {
+    if (this.timer) {
+      clearInterval(this.timer)
+      this.timer = null
+    }
+  }
+}
+
+export default new ClipboardWatcher()