nanot1m

function setCanvasImageOpacity(ctx: CanvasRenderingContext2D, opacity: number) {
	const {width, height} = ctx.canvas

	const image = ctx.getImageData(0, 0, width, height)
	for (let i = 3; i < image.data.length; i += 4) {
		image.data[i] *= opacity
	}

	ctx.putImageData(image, 0, 0)
}

nanot1m

async function* MessagesGenerator() {
  try {
    while (true) {
      // listenToNewMessages: (message => void) => void
      yield await new Promise(listenToNewMessages);
    }
  }
}

const messages = MessagesGenerator()

nanot1m

Frontend-digest N

ES Modules in Node today

babel-plugin-codegen

Вышли новые утиные истории
В связи с этим статьи по redux (re-ducks)