You can now use labeled tuples, available since TypeScript 4.0!
Really useful for APIs with a standard ordering of defined arguments, such as HTML5 canvas's handling of rects:
type Rect = [x: number, y: number, width: number, height: number] const canvas = document.querySelector('#my-canvas') const ctx = canvas.getContext('2d') const img = document.querySelector('#my-semitransparent-image') const { width, height } = img const rect: Rect = [0, 0, width, height] ctx.fillStyle = '#f00' ctx.fillRect(...rect) ctx.drawImage(img, ...rect)
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You can now use labeled tuples, available since TypeScript 4.0!
Really useful for APIs with a standard ordering of defined arguments, such as HTML5 canvas's handling of rects: