correct links

src/plugins/gtag.ts

@@ -10,7 +10,7 @@ async function gAnalytics(id: string) {
   s.setAttribute('data-timestamp', new Date().toISOString());
   (d.head || d.body).appendChild(s);
 
-  (window as any).dataLayer = dataLayer || [];
+  (window as any).dataLayer = (window as any).dataLayer || [];
   function gtag(...x: any[]){dataLayer.push(arguments);}
   gtag('js', new Date());
   gtag('config', id);

src/plugins/render.js

@@ -1,30 +1,13 @@
 import showdown from "showdown";
-import h from "hyperscript";
+import { slideExt, simpleTableExt } from "./showdown-ext";
 
 export class Markdown {
   constructor() {
     this.converter = new showdown.Converter({
-      parseImgDimensions: true
+      parseImgDimensions: true,
+      extensions: [simpleTableExt, slideExt]
     });
     this.converter.setFlavor("github");
-    this.converter.addExtension({
-      type: "lang",
-      filter(text) {
-        const rowRegex = /(?:(?:^|\r?\n)(?:\| )?(?:(?:.* \| )+.+)*(?:.* \| )+.+(?: \|)?(?:$|\r?\n))+/m;
-
-        text = text.replace(rowRegex, (p0) => {
-          return h("table.table", p0.trim().split("\n").map((pi) => {
-            pi = pi.trim().replace(/^|/, "").replace(/|$/, "")
-
-            return h("tr", pi.split(" | ").map((x) => x.trim()).map((qi) => {
-              return h("td", qi);
-            }))
-          })).outerHTML;
-        });
-
-        return text;
-      }
-    })
   }
 
   md2html(md) {

src/plugins/showdown-ext.js

@@ -0,0 +1,44 @@
+import { createIndentedFilter } from "indented-filter";
+import h from "hyperscript";
+
+export const simpleTableExt = {
+  type: "lang",
+  filter(text) {
+    const rowRegex = /(?:(?:^|\r?\n)(?:\| )?(?:(?:.* \| )+.+)*(?:.* \| )+.+(?: \|)?(?:$|\r?\n))+/m;
+
+    text = text.replace(rowRegex, (p0) => {
+      return h("table.table", p0.trim().split("\n").map((pi) => {
+        pi = pi.trim().replace(/^|/, "").replace(/|$/, "")
+
+        return h("tr", pi.split(" | ").map((x) => x.trim()).map((qi) => {
+          return h("td", qi);
+        }))
+      })).outerHTML;
+    });
+
+    return text;
+  }
+};
+
+export const slideExt = {
+  type: "lang",
+  filter: createIndentedFilter("^^slide", (s, attrs) => {
+    const a = document.createElement("a");
+    const url = new URL("https://reveal-md.herokuapp.com/");
+    let q = "";
+    if (attrs.github) {
+      q = `https://raw.githubusercontent.com/${attrs.github}/master/${s}`;
+      a.innerText = `github::${attrs.github}::${s}`;
+    } else {
+      q = s;
+      a.innerText = s;
+    }
+
+    url.searchParams.append("q", q);
+    a.href = url.href; 
+    a.alt = s;
+    a.target = "_blank";
+
+    return a.outerHTML;
+  })
+}