svelte/test/js/samples/window-binding-scroll/expected.js

/* generated by Svelte vX.Y.Z */
import { appendNode, assign, createElement, createText, detachNode, init, insertNode, proto } from "svelte/shared.js";

function create_main_fragment(state, component) {
	var window_updating = false, p, text, text_1;

	function onwindowscroll(event) {
		window_updating = true;

		component.set({
			y: this.scrollY
		});
		window_updating = false;
	}
	window.addEventListener("scroll", onwindowscroll);

	component.observe("y", function(y) {
		if (window_updating) return;
		window.scrollTo(window.scrollX, y);
	});

	return {
		c: function create() {
			p = createElement("p");
			text = createText("scrolled to ");
			text_1 = createText(state.y);
		},

		m: function mount(target, anchor) {
			insertNode(p, target, anchor);
			appendNode(text, p);
			appendNode(text_1, p);
		},

		p: function update(changed, state) {
			if (changed.y) {
				text_1.data = state.y;
			}
		},

		u: function unmount() {
			detachNode(p);
		},

		d: function destroy() {
			window.removeEventListener("scroll", onwindowscroll);
		}
	};
}

function SvelteComponent(options) {
	init(this, options);
	this._state = assign({}, options.data);
	this._state.y = window.scrollY;

	this._fragment = create_main_fragment(this._state, this);

	if (options.target) {
		this._fragment.c();
		this._fragment.m(options.target, options.anchor || null);
	}
}

assign(SvelteComponent.prototype, proto);
export default SvelteComponent;