Add back blinkingCellCount functionality

js/term/screen.js

@@ -276,7 +276,8 @@ module.exports = class TermScreen extends EventEmitter {
       screenSelection: selection,
       screenAttrs: this.screenAttrs,
       cursor: this.cursor,
-      statusScreen: this.window.statusScreen
+      statusScreen: this.window.statusScreen,
+      hasBlinkingCells: !!this.blinkingCellCount
     })
   }
 
@@ -513,7 +514,7 @@ module.exports = class TermScreen extends EventEmitter {
             let cellYInFrame = Math.floor(cell / frameWidth)
             let index = (frameY + cellYInFrame) * this.window.width + frameX + cellXInFrame
 
-            if (this.screenAttrs[index] & ATTR_BLINK !== data[3] & ATTR_BLINK) {
+            if ((this.screenAttrs[index] & ATTR_BLINK) !== (data[3] & ATTR_BLINK)) {
               if (data[3] & ATTR_BLINK) this.blinkingCellCount++
               else this.blinkingCellCount--
             }

js/term/screen_renderer.js

@@ -59,6 +59,7 @@ module.exports = class CanvasRenderer extends EventEmitter {
     this.screenAttrs = []
     this.screenSelection = []
     this.cursor = {}
+    this.hasBlinkingCells = false
 
     this.resetDrawn()
 
@@ -73,6 +74,11 @@ module.exports = class CanvasRenderer extends EventEmitter {
   }
 
   render (reason, data) {
+    if ('hasBlinkingCells' in data && data.hasBlinkingCells !== this.hasBlinkingCells) {
+      if (data.hasBlinkingCells) this.resetBlink()
+      else clearInterval(this.blinkInterval)
+    }
+
     Object.assign(this, data)
     this.scheduleDraw(reason)
   }