Add support for mutiple notes to web app

webapp/bridge.js

@@ -75,6 +75,26 @@ if (settingsData !== null) {
 }
 
 
+const NOTE_KEY_PREFIX = "heynote-library__"
+
+function noteKey(path) {
+    return NOTE_KEY_PREFIX + path
+}
+
+function getNoteMetadata(content) {
+    const firstSeparator = content.indexOf("\n∞∞∞")
+    if (firstSeparator === -1) {
+        return null
+    }
+    try {
+        const metadata = JSON.parse(content.slice(0, firstSeparator).trim())
+        return {"name": metadata.name}
+    } catch (e) {
+        return {}
+    }
+}
+
+
 const Heynote = {
     platform: platform,
     defaultFontFamily: "Hack", 
@@ -82,17 +102,28 @@ const Heynote = {
 
     buffer: {
         async load(path) {
-            const content = localStorage.getItem(path)
-            return content === null ? "\n∞∞∞text-a\n" : content
+            //console.log("loading", path)
+            const content = localStorage.getItem(noteKey(path))
+            return content === null ? '{"formatVersion":"1.0.0","name":"Scratch"}\n∞∞∞text-a\n' : content
         },
 
         async save(path, content) {
-            console.log("saving", path, content)
-            localStorage.setItem(path, content)
+            //console.log("saving", path, content)
+            localStorage.setItem(noteKey(path), content)
         },
 
         async create(path, content) {
-            throw Exception("Not implemented")
+            localStorage.setItem(noteKey(path), content)
+        },
+
+        async delete(path) {
+            localStorage.removeItem(noteKey(path))
+        },
+
+        async move(path, newPath) {
+            const content = localStorage.getItem(noteKey(path))
+            localStorage.setItem(noteKey(newPath), content)
+            localStorage.removeItem(noteKey(path))
         },
 
         async saveAndQuit(contents) {
@@ -100,15 +131,36 @@ const Heynote = {
         },
 
         async exists(path) {
-            return true
+            return localStorage.getItem(noteKey(path)) !== null
         },
 
         async getList(path) {
-            return [{"path":"buffer.txt", "metadata":{}}]
+            //return {"scratch.txt": {name:"Scratch"}}
+            const notes = {}
+            for (let [key, content] of Object.entries(localStorage)) {
+                if (key.startsWith(NOTE_KEY_PREFIX)) {
+                    const path = key.slice(NOTE_KEY_PREFIX.length)
+                    notes[path] = getNoteMetadata(content)
+                }
+            }
+            return notes
         },
 
         async getDirectoryList() {
-            return []
+            const directories = new Set()
+            for (let key in localStorage) {
+                if (key.startsWith(NOTE_KEY_PREFIX)) {
+                    const path = key.slice(NOTE_KEY_PREFIX.length)
+                    const parts = path.split("/")
+                    if (parts.length > 1) {
+                        for (let i = 1; i < parts.length; i++) {
+                            directories.add(parts.slice(0, i).join("/"))
+                        }
+                    }
+                }
+            }
+            //console.log("directories", directories)
+            return [...directories]
         },
 
         async close(path) {
@@ -147,7 +199,7 @@ const Heynote = {
         set: (mode) => {
             localStorage.setItem("theme", mode)
             themeCallback(mode)
-            console.log("set theme to", mode)
+            //console.log("set theme to", mode)
         },
         get: async () => {
             const theme = localStorage.getItem("theme") || "system"