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

70 lines
1.7 KiB

/* generated by Svelte vX.Y.Z */
import { appendNode, assign, createElement, createText, detachNode, init, insertNode, proto } from "svelte/shared.js";
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function create_main_fragment(component, state) {
var window_updating = false, clear_window_updating = function() { window_updating = false; }, window_updating_timeout, p, text, text_1;
function onwindowscroll(event) {
if (window_updating) return;
window_updating = true;
component.set({
y: this.pageYOffset
});
window_updating = false;
}
window.addEventListener("scroll", onwindowscroll);
component.on("state", ({ changed, current }) => {
if (changed["y"]) {
window_updating = true;
clearTimeout(window_updating_timeout);
window.scrollTo(window.pageXOffset, current["y"]);
window_updating_timeout = setTimeout(clear_window_updating, 100);
}
});
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.pageYOffset;
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this._fragment = create_main_fragment(this, this._state);
if (options.target) {
this._fragment.c();
this._mount(options.target, options.anchor);
}
}
assign(SvelteComponent.prototype, proto);
export default SvelteComponent;