Inline links and Cmd-click and Cmd-enter now work

plugins/core/navigate.ts

@@ -1,22 +1,35 @@
 import { ClickEvent } from "../../webapp/src/app_event.ts";
 import { syscall } from "./lib/syscall.ts";
 
-export async function linkNavigate() {
-  let syntaxNode = await syscall("editor.getSyntaxNodeUnderCursor");
-  if (syntaxNode && syntaxNode.name === "WikiLinkPage") {
-    await syscall("editor.navigate", syntaxNode.text);
+async function navigate(syntaxNode: any) {
+  if (!syntaxNode) {
+    return;
   }
+  console.log("Attempting to navigate based on syntax node", syntaxNode);
+  switch (syntaxNode.name) {
+    case "WikiLinkPage":
+      await syscall("editor.navigate", syntaxNode.text);
+      break;
+    case "URL":
+      await syscall("editor.openUrl", syntaxNode.text);
+      break;
+    case "Link":
+      // Markdown link: [bla](URLHERE) needs extraction
+      let match = /\[[^\\]+\]\(([^\)]+)\)/.exec(syntaxNode.text);
+      if (match) {
+        await syscall("editor.openUrl", match[1]);
+      }
+  }
+}
+
+export async function linkNavigate() {
+  navigate(await syscall("editor.getSyntaxNodeUnderCursor"));
 }
 
 export async function clickNavigate(event: ClickEvent) {
-  let syntaxNode = await syscall("editor.getSyntaxNodeAtPos", event.pos);
-
   if (event.ctrlKey || event.metaKey) {
-    console.log("Here", syntaxNode);
-    if (syntaxNode && syntaxNode.name === "WikiLinkPage") {
-      await syscall("editor.navigate", syntaxNode.text);
-      return;
-    }
+    let syntaxNode = await syscall("editor.getSyntaxNodeAtPos", event.pos);
+    navigate(syntaxNode);
   }
 }
 

plugins/core/page.ts

@@ -5,7 +5,6 @@ import { syscall } from "./lib/syscall.ts";
 const wikilinkRegex = new RegExp(pageLinkRegex, "g");
 
 export async function indexLinks({ name, text }: IndexEvent) {
-  console.log("Now indexing", name);
   let backLinks: { key: string; value: string }[] = [];
   for (let match of text.matchAll(wikilinkRegex)) {
     let toPage = match[1];

webapp/src/parser.ts

@@ -1,4 +1,4 @@
-import { styleTags } from "@codemirror/highlight";
+import { styleTags, tags as t } from "@codemirror/highlight";
 import { MarkdownConfig, TaskList } from "@lezer/markdown";
 import { commonmark, mkLang } from "./markdown/markdown";
 import * as ct from "./customtags";
@@ -53,8 +53,32 @@ const AtMention: MarkdownConfig = {
     },
   ],
 };
+
+const urlRegexp =
+  /^https?:\/\/(www\.)?[-a-zA-Z0-9@:%._\+~#=]{1,256}\.[a-zA-Z0-9()]{1,6}\b([-a-zA-Z0-9()@:%_\+.~#?&//=]*)/;
+
+const UnmarkedUrl: MarkdownConfig = {
+  defineNodes: ["URL"],
+  parseInline: [
+    {
+      name: "URL",
+      parse(cx, next, pos) {
+        let match: RegExpMatchArray | null;
+        if (
+          next != 104 /* 'h' */ ||
+          !(match = urlRegexp.exec(cx.slice(pos, cx.end)))
+        ) {
+          return -1;
+        }
+        return cx.addElement(cx.elt("URL", pos, pos + match[0].length));
+      },
+      after: "Emphasis",
+    },
+  ],
+};
+
 const TagLink: MarkdownConfig = {
-  defineNodes: ["Checkbox"],
+  defineNodes: ["TagLink"],
   parseInline: [
     {
       name: "TagLink",
@@ -77,6 +101,7 @@ const WikiMarkdown = commonmark.configure([
   AtMention,
   TagLink,
   TaskList,
+  UnmarkedUrl,
   {
     props: [
       styleTags({
@@ -86,6 +111,7 @@ const WikiMarkdown = commonmark.configure([
         TagLink: ct.TagTag,
         Task: ct.TaskTag,
         TaskMarker: ct.TaskMarkerTag,
+        Url: t.url,
       }),
     ],
   },

webapp/src/styles.css

@@ -138,6 +138,10 @@ body {
 .cm-editor .link.url {
   color: #7e7d7d;
 }
+.cm-editor .url:not(.link) {
+  color: #0330cb;
+  text-decoration: underline;
+}
 
 .cm-editor .wiki-link-page {
   color: #0330cb;

webapp/src/syscalls/editor.browser.ts

@@ -39,6 +39,9 @@ export default (editor: Editor) => ({
   "editor.navigate": async (name: string) => {
     await editor.navigate(name);
   },
+  "editor.openUrl": async (url: string) => {
+    window.open(url, "_blank")!.focus();
+  },
   "editor.insertAtPos": (text: string, pos: number) => {
     editor.editorView!.dispatch({
       changes: {