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(async-loader): Use reference in vnode for current node #1308

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(async-loader): Use reference in vnode for current node #1308

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25 changes: 23 additions & 2 deletions packages/async-loader/async.js
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Original file line number Diff line number Diff line change
@@ -1,8 +1,29 @@
import { h, Component } from 'preact';
import { Component, options, h } from 'preact';

const PENDING = {};

export default function async(load) {
let dom;
let old = options.vnode;

// get access to the current DOM node from vnode.
options._diff = (vnode) => {
if (!component && vnode._children) {
let prev;
for (let i = 0; i < vnode._children.length; i++) {
let c = vnode._children[i];
if (c) {
prev = c._dom || c.__e || prev;

if (c.type === AsyncComponent) {
dom = prev.nextSibling;
}
}
}
}
if (old) old(vnode);
};

let component;
function AsyncComponent() {
Component.call(this);
Expand All @@ -23,7 +44,7 @@ export default function async(load) {
return h(component, props);
}

const me = (this.__P || this._parentDom).lastChild;
const me = dom;

return (
me &&
Expand Down