如何使用 api.onPageChange 和 api.createWidget？

开发
2

这是我更正过的尝试。当我运行它而不带 api.onPageChange(() 函数时，它可以工作，但直到我进行硬页面刷新后才随机化图像。当我添加 api.onPageChange(() 函数时，它根本不显示任何图像。有什么关于我做错的提示吗？

<script type="text/discourse-plugin" version="0.8">

api.onPageChange(() => {
        doStuff();
});

function doStuff() {

const h = require("virtual-dom").h;

let banners = new Array();
banners[0]="https://example.com/uploads/default/original/1X/9d9762a4129c78c478d14ff857c3bd1f2be0322a.jpg";
banners[1]="https://example.com/uploads/default/original/1X/04ede2abd9ac117c64988a5b0bcf033474381527.jpg";

let GoTo = new Array();
GoTo[0]="https://google.com";
GoTo[1]="https://brave.com";

let Number = Math.round(1 * Math.random());
let TheLink = GoTo[Number];
let TheImage = banners[Number];

  api.createWidget("top-banner-widget", {
    tagName: "div.top-banner",
    html() {
    return h("div#top-banner", [
      h(
        "a.custom-ad-link",
        { href: TheLink },
        h("img", { src: TheImage })
      )
    ]);
    }
  });
}
</script>

<script type="text/x-handlebars" data-template-name="/connectors/above-main-container/inject-widget">
  {{mount-widget widget="top-banner-widget"}}
</script>
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