adding universe encoding

index.html

@@ -35,7 +35,7 @@
     <header class="py-2 block text-white bg-neutral-900">
       <div class="mx-auto flex flex-wrap pl-2 py-1 flex-row items-center">
         <a class="flex title-font font-medium items-center text-black mb-0">
-          <svg xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="w-10 h-10 text-black p-2 bg-white rounded-full" viewBox="0 0 24 24">
+          <svg id="share_button" title="Share button" xmlns="http://www.w3.org/2000/svg" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" class="w-10 h-10 text-black p-2 bg-white rounded-full" viewBox="0 0 24 24">
               <path stroke-linecap="round" stroke-linejoin="round" d="M12 6.042A8.967 8.967 0 006 3.75c-1.052 0-2.062.18-3 .512v14.25A8.987 8.987 0 016 18c2.305 0 4.408.867 6 2.292m0-14.25a8.966 8.966 0 016-2.292c1.052 0 2.062.18 3 .512v14.25A8.987 8.987 0 0018 18a8.967 8.967 0 00-6 2.292m0-14.25v14.25" />
           </svg>
           <span id="universe-viewer" class="hidden xl:block ml-4 text-2xl text-white">Topos</span>

src/AppSettings.ts

@@ -1,6 +1,6 @@
-import { tutorial_universe } from "./universes/tutorial"
+import { tutorial_universe } from "./universes/tutorial";
 
-export type Universes = { [key: string]: Universe }
+export type Universes = { [key: string]: Universe };
 
 export interface Universe {
   /**
@@ -11,10 +11,10 @@ export interface Universe {
    * @param init - Init file
    * @param notes - Notes file
    */
-  global: File
+  global: File;
-  locals: { [key: number]: File }
+  locals: { [key: number]: File };
-  init: File
+  init: File;
-  notes: File
+  notes: File;
 }
 
 export interface File {
@@ -25,9 +25,9 @@ export interface File {
    * @param committed - The text that has been committed (e.g. stable)
    * @param evaluations - The number of times the text has been evaluated
    */
-  candidate: string
+  candidate: string;
-  committed?: string
+  committed?: string;
-  evaluations?: number
+  evaluations?: number;
 }
 
 export interface Settings {
@@ -42,13 +42,13 @@ export interface Settings {
    * @param selected_universe - The name of the selected universe
    * @param line_numbers - Whether or not to show line numbers
    */
-    vimMode: boolean
+  vimMode: boolean;
-    theme: string
+  theme: string;
-    font: string
+  font: string;
-    font_size: number
+  font_size: number;
-    universes: Universes
+  universes: Universes;
-    selected_universe: string
+  selected_universe: string;
-    line_numbers: boolean
+  line_numbers: boolean;
 }
 
 export const template_universe = {
@@ -66,10 +66,10 @@ export const template_universe = {
   },
   init: { candidate: "", committed: "", evaluations: 0 },
   notes: { candidate: "" },
-}
+};
 
 export const template_universes = {
-  "Default": {
+  Default: {
     global: { candidate: "", committed: "", evaluations: 0 },
     locals: {
       1: { candidate: "", committed: "", evaluations: 0 },
@@ -85,12 +85,10 @@ export const template_universes = {
     init: { candidate: "", committed: "", evaluations: 0 },
     notes: { candidate: "// NOTES" },
   },
-  "Help": tutorial_universe,
+  Help: tutorial_universe,
-}
+};
- 
 
 export class AppSettings {
-
   /**
    * AppSettings is a class that stores the settings for the Topos application.
    * It is in charge of reading and writing to local storage and exposing that
@@ -105,34 +103,37 @@ export class AppSettings {
    * @param line_numbers - Whether or not to show line numbers
    */
 
-  public vimMode: boolean = false
+  public vimMode: boolean = false;
-  public theme: string = "materialDark"
+  public theme: string = "materialDark";
-  public font: string = "SpaceMono"
+  public font: string = "SpaceMono";
-  public font_size: number = 22 
+  public font_size: number = 22;
-  public universes: Universes
+  public universes: Universes;
-  public selected_universe: string = "Default"
+  public selected_universe: string = "Default";
-  public line_numbers: boolean = true
+  public line_numbers: boolean = true;
 
   constructor() {
-
+    const settingsFromStorage = JSON.parse(
-    const settingsFromStorage = JSON.parse(localStorage.getItem('topos') || "{}");
+      localStorage.getItem("topos") || "{}"
+    );
 
     if (settingsFromStorage && Object.keys(settingsFromStorage).length !== 0) {
       // let settings = JSON.parse(localStorage.getItem("topos") as string)
-      this.vimMode = settingsFromStorage.vimMode
+      this.vimMode = settingsFromStorage.vimMode;
-      this.theme = settingsFromStorage.theme
+      this.theme = settingsFromStorage.theme;
-      this.font = settingsFromStorage.font
+      this.font = settingsFromStorage.font;
-      this.font_size = settingsFromStorage.font_size
+      this.font_size = settingsFromStorage.font_size;
-      this.universes = settingsFromStorage.universes
+      this.universes = settingsFromStorage.universes;
-      this.selected_universe = settingsFromStorage.selected_universe
+      this.selected_universe = settingsFromStorage.selected_universe;
-      this.line_numbers = settingsFromStorage.line_numbers
+      this.line_numbers = settingsFromStorage.line_numbers;
     } else {
-      this.universes = template_universes
+      this.universes = template_universes;
+    }
   }
 
+  get_universe(universe_name: string) {
+    this.universes.universe_name;
   }
 
-
   get data(): Settings {
     /**
      * Returns the settings as a Settings object.
@@ -144,11 +145,14 @@ export class AppSettings {
       font_size: this.font_size,
       universes: this.universes,
       selected_universe: this.selected_universe,
-      line_numbers: this.line_numbers
+      line_numbers: this.line_numbers,
-    }
+    };
   }
 
-  saveApplicationToLocalStorage(universes: Universes, settings: Settings): void{
+  saveApplicationToLocalStorage(
+    universes: Universes,
+    settings: Settings
+  ): void {
     /**
      * Main method to store the application to local storage.
      *
@@ -161,6 +165,6 @@ export class AppSettings {
     this.font_size = settings.font_size;
     this.selected_universe = settings.selected_universe;
     this.line_numbers = settings.line_numbers;
-    localStorage.setItem('topos', JSON.stringify(this.data))
+    localStorage.setItem("topos", JSON.stringify(this.data));
   }
 }

src/main.ts

@@ -4,7 +4,7 @@ import { javascript } from "@codemirror/lang-javascript";
 import { oneDark } from "@codemirror/theme-one-dark";
 import { markdown } from "@codemirror/lang-markdown";
 import { Extension, Prec } from "@codemirror/state";
-import {indentWithTab} from "@codemirror/commands"
+import { indentWithTab } from "@codemirror/commands";
 import { vim } from "@replit/codemirror-vim";
 import { AppSettings } from "./AppSettings";
 import { editorSetup } from "./EditorSetup";
@@ -164,6 +164,11 @@ export class Editor {
     "vim-mode"
   ) as HTMLButtonElement;
 
+  // Share button
+  share_button: HTMLElement = document.getElementById(
+    "share_button"
+  ) as HTMLElement;
+
   // Error line
   error_line: HTMLElement = document.getElementById(
     "error_line"
@@ -229,9 +234,16 @@ export class Editor {
         ...this.editorExtensions,
         EditorView.lineWrapping,
         dynamicPlugins.of(this.userPlugins),
-				Prec.highest(keymap.of([
+        Prec.highest(
-					{ key:"Ctrl-Enter", run: ()=>{return true} }
+          keymap.of([
-				])),
+            {
+              key: "Ctrl-Enter",
+              run: () => {
+                return true;
+              },
+            },
+          ])
+        ),
         keymap.of([indentWithTab]),
       ],
       doc: this.universes[this.selected_universe].locals[this.local_index]
@@ -484,6 +496,20 @@ export class Editor {
       this.settings.font_size = parseInt(new_value);
     });
 
+    this.share_button.addEventListener("click", () => {
+      this.share_button.classList.add("animate-spin");
+      setInterval(
+        () => this.share_button.classList.remove("animate-spin"),
+        1000
+      );
+      // trigger a manual save
+      this.currentFile().candidate = app.view.state.doc.toString();
+      this.currentFile().committed = app.view.state.doc.toString();
+      this.settings.saveApplicationToLocalStorage(app.universes, app.settings);
+      // encode as a blob!
+      this.share();
+    });
+
     this.normal_mode_button.addEventListener("click", () => {
       this.settings.vimMode = false;
       this.view.dispatch({ effects: this.vimModeCompartment.reconfigure([]) });
@@ -564,6 +590,22 @@ export class Editor {
     ];
   }
 
+  emptyUrl = () => {
+    window.history.replaceState({}, document.title, "/");
+  };
+
+  share() {
+    const hashed_table = JSON.stringify(
+      this.settings.universes[this.selected_universe]
+    );
+    const url = new URL(window.location.href);
+    url.searchParams.set(
+      "universe",
+      this.selected_universe + "-" + hashed_table
+    );
+    window.history.replaceState({}, "", url.toString());
+  }
+
   showDocumentation() {
     if (document.getElementById("app")?.classList.contains("hidden")) {
       document.getElementById("app")?.classList.remove("hidden");