Use HashRouter, add NavbarContext

package-lock.json

@@ -9,6 +9,7 @@
       "version": "0.1.0",
       "license": "ISC",
       "dependencies": {
+        "@solidjs/router": "^0.15.3",
         "codemirror": "^6.0.2",
         "idb": "^8.0.3",
         "lodash": "^4.17.21",
@@ -1177,6 +1178,15 @@
         "win32"
       ]
     },
+    "node_modules/@solidjs/router": {
+      "version": "0.15.3",
+      "resolved": "https://registry.npmjs.org/@solidjs/router/-/router-0.15.3.tgz",
+      "integrity": "sha512-iEbW8UKok2Oio7o6Y4VTzLj+KFCmQPGEpm1fS3xixwFBdclFVBvaQVeibl1jys4cujfAK5Kn6+uG2uBm3lxOMw==",
+      "license": "MIT",
+      "peerDependencies": {
+        "solid-js": "^1.8.6"
+      }
+    },
     "node_modules/@types/babel__core": {
       "version": "7.20.5",
       "resolved": "https://registry.npmjs.org/@types/babel__core/-/babel__core-7.20.5.tgz",

package.json

@@ -21,6 +21,7 @@
     "vite-plugin-solid": "^2.10.2"
   },
   "dependencies": {
+    "@solidjs/router": "^0.15.3",
     "codemirror": "^6.0.2",
     "idb": "^8.0.3",
     "lodash": "^4.17.21",

src/components/App.tsx

@@ -1,25 +1,55 @@
-import { createSignal, Show } from 'solid-js';
+import {
+  createContext,
+  createSignal,
+  Show,
+  useContext,
+  type Accessor,
+  type Setter,
+} from 'solid-js';
 import Chooser from './Chooser';
 import Editor from './Editor';
+import { HashRouter, Route, useNavigate } from '@solidjs/router';
 
-function App() {
-  const [currentFile, setCurrentFile] = createSignal<string | null>(null);
+interface NavbarProps {
+  fileId: Accessor<string | null>;
+  setFileId: Setter<string | null>;
+}
+
+const NavbarContext = createContext<NavbarProps>();
+
+export function useNavbar(): NavbarProps {
+  const result = useContext(NavbarContext);
+  if (!result) {
+    throw new Error('NavbarContext not set');
+  }
+  return result;
+}
+
+function Layout(props: any) {
+  const navigate = useNavigate();
+  const [fileId, setFileId] = createSignal<string | null>(null);
 
   return (
-    <div class="app">
-      <div class="navbar">
-        <Show when={currentFile() !== null}>
-          <button onclick={() => setCurrentFile(null)}>Back</button>
-        </Show>
-        <div class="title">{currentFile() ?? 'Choose a file'}</div>
+    <NavbarContext.Provider value={{ fileId, setFileId }}>
+      <div class="app">
+        <div class="navbar">
+          <Show when={fileId() !== null}>
+            <button onclick={() => navigate('/')}>Back</button>
+          </Show>
+          <div class="title">{fileId() ?? 'Choose a file'}</div>
+        </div>
+        {props.children}
       </div>
-      <Show
-        when={currentFile()}
-        fallback={<Chooser file={currentFile} setFile={setCurrentFile} />}
-      >
-        <Editor file={currentFile()!} />
-      </Show>
-    </div>
+    </NavbarContext.Provider>
+  );
+}
+
+function App() {
+  return (
+    <HashRouter root={Layout}>
+      <Route path="" component={Chooser} />
+      <Route path="doc/:id" component={Editor} />
+    </HashRouter>
   );
 }
 

src/components/Chooser.tsx

@@ -1,21 +1,22 @@
-import { For, type Accessor, type Setter } from 'solid-js';
+import { For, onMount } from 'solid-js';
 import './Chooser.css';
+import { useNavbar } from './App';
+import { useNavigate } from '@solidjs/router';
 
-interface ChooserProps {
-  file: Accessor<string | null>;
-  setFile: Setter<string | null>;
-}
+function Chooser() {
+  const navigate = useNavigate();
+  const { setFileId } = useNavbar();
+  onMount(() => setFileId(null));
 
-function Chooser(props: ChooserProps) {
   const files = ['foo', 'bar', 'baz'];
 
   return (
     <>
       <For each={files}>
         {(availableFile) => (
-          <button class="file" onclick={() => props.setFile(availableFile)}>
+          <button class="file" onclick={() => navigate(`doc/${availableFile}`)}>
             {availableFile}
-            {availableFile === props.file() ? '(*)' : ''}
+            {/* {availableFile === props.file() ? '(*)' : ''} */}
           </button>
         )}
       </For>

src/components/Editor.tsx

@@ -6,19 +6,27 @@ import {
   syntaxHighlighting,
 } from '@codemirror/language';
 import { yCollab } from 'y-codemirror.next';
-import { createEffect, createResource, onCleanup, Show } from 'solid-js';
+import {
+  createEffect,
+  createResource,
+  onCleanup,
+  onMount,
+  Show,
+} from 'solid-js';
 import { LocalDocument } from '../sync';
+import { useNavbar } from './App';
+import { useParams } from '@solidjs/router';
 
-interface EditorProps {
-  file: string;
-}
+function Editor() {
+  const { id: fileId } = useParams();
+  const { setFileId } = useNavbar();
+  onMount(() => {
+    setFileId(fileId);
+  });
 
-function Editor(props: EditorProps) {
   let editorDiv;
   let editorView: EditorView;
-  const [syncedDoc] = createResource(async () =>
-    LocalDocument.load(props.file)
-  );
+  const [syncedDoc] = createResource(async () => LocalDocument.load(fileId));
 
   createEffect(() => {
     const doc = syncedDoc();