No More Collab. Fixes #449

* Fully removes real-time collaboration
* URL scheme rewrite

plug-api/lib/page.ts

@@ -0,0 +1,4 @@
+export function isValidPageName(name: string): boolean {
+  // Page can not be empty and not end with a file extension (e.g. "bla.md")
+  return name !== "" && !/\.[a-zA-Z]+$/.test(name);
+}

plug-api/lib/settings_page.ts

@@ -1,8 +1,7 @@
-import { readYamlPage } from "./yaml_page.ts";
-import { notifyUser } from "./util.ts";
+import { readYamlPage } from "$sb/lib/yaml_page.ts";
 import { YAML } from "$sb/plugos-syscall/mod.ts";
 
-import { space } from "$sb/silverbullet-syscall/mod.ts";
+import { editor, space } from "$sb/silverbullet-syscall/mod.ts";
 
 /**
  * Convenience function to read a specific set of settings from the `SETTINGS` page as well as default values
@@ -65,7 +64,7 @@ export async function writeSettings<T extends object>(settings: T) {
   try {
     readSettings = (await readYamlPage(SETTINGS_PAGE, ["yaml"])) || {};
   } catch {
-    await notifyUser("Creating a new SETTINGS page...", "info");
+    await editor.flashNotification("Creating a new SETTINGS page...", "info");
   }
   const writeSettings: any = { ...readSettings, ...settings };
   // const doc = new YAML.Document();

plug-api/lib/util.ts

@@ -1,36 +0,0 @@
-import { editor } from "$sb/silverbullet-syscall/mod.ts";
-
-export async function replaceAsync(
-  str: string,
-  regex: RegExp,
-  asyncFn: (match: string, ...args: any[]) => Promise<string>,
-) {
-  const promises: Promise<string>[] = [];
-  str.replace(regex, (match: string, ...args: any[]): string => {
-    const promise = asyncFn(match, ...args);
-    promises.push(promise);
-    return "";
-  });
-  const data = await Promise.all(promises);
-  return str.replace(regex, () => data.shift()!);
-}
-
-export function isServer() {
-  return (
-    typeof window === "undefined" || typeof window.document === "undefined"
-  ); // if something defines window the same way as the browser, this will fail.
-}
-
-// this helps keep if's condition as positive
-export function isBrowser() {
-  return !isServer();
-}
-
-export function notifyUser(message: string, type?: "info" | "error") {
-  if (isBrowser()) {
-    return editor.flashNotification(message, type);
-  }
-  const log = type === "error" ? console.error : console.log;
-  log(message); // we should end up sending the message to the user, users dont read logs.
-  return;
-}