Merge pull request #1909 from sveltejs/gh-1898

use correct context for resize handler

src/compile/render-dom/wrappers/Element/index.ts

@@ -494,7 +494,7 @@ export default class ElementWrapper extends Wrapper {
 					block.addVariable(resize_listener);
 
 					block.builders.mount.addLine(
-						`${resize_listener} = @addResizeListener(${this.var}, ${callee});`
+						`${resize_listener} = @addResizeListener(${this.var}, ${callee}.bind(${this.var}));`
 					);
 
 					block.builders.destroy.addLine(

test/js/samples/bind-width-height/expected.js

@@ -13,7 +13,7 @@ function create_fragment(component, ctx) {
 
 		m(target, anchor) {
 			insert(target, div, anchor);
-			div_resize_listener = addResizeListener(div, ctx.div_resize_handler);
+			div_resize_listener = addResizeListener(div, ctx.div_resize_handler.bind(div));
 			current = true;
 		},