A Figma helper to animate viewport into view

animateIntoView.js

import { Tween, Queue, Easing } from 'tweeno'


function animateIntoView(selection, duration?, easing?) {
	// Get current coordiantes
	let origCoords = {
		...figma.viewport.center,
		z: figma.viewport.zoom
	}

	// Get to be coordiantes
	figma.viewport.scrollAndZoomIntoView(selection)

	let newCoords = {
		...Object.assign({}, figma.viewport.center),
		z: figma.viewport.zoom
	}

	// Reset back to current coordinates
	figma.viewport.center = {
		x: origCoords.x,
		y: origCoords.y
	}
	figma.viewport.zoom = origCoords.z

	var settings = {
		// set when starting tween
		from: origCoords,
		// state to tween to
		to: newCoords,
		// 2 seconds
		duration: duration || 1000,
		// repeat 2 times
		repeat: 0,
		// do it smoothly
		easing: easing || Easing.Cubic.Out,
	};

	var target = {
		...origCoords,
		update: function () {
			figma.viewport.center = { x: this.x, y: this.y }
			figma.viewport.zoom = this.z
			// console.log(Math.round(this.x), Math.round(this.y))
		}
	};

	var queue = new Queue(),
		tween = new Tween(target, settings);

	// add the tween to the queue
	queue.add(tween);

	// start the queue
	queue.start();


	let loop = setInterval(() => {
		if (queue.tweens.length === 0) {
			clearInterval(loop)
		}
		else {
			queue.update();
			// update the target object state
			target.update();
		}
	}, 1)
}