Throw error if major format version is greater than the currently supported version

package-lock.json

@@ -9,7 +9,8 @@
       "version": "1.8.0",
       "license": "Commons Clause MIT",
       "dependencies": {
-        "electron-log": "^5.0.1"
+        "electron-log": "^5.0.1",
+        "semver": "^7.6.3"
       },
       "devDependencies": {
         "@codemirror/autocomplete": "^6.11.1",
@@ -572,6 +573,15 @@
         "global-agent": "^3.0.0"
       }
     },
+    "node_modules/@electron/get/node_modules/semver": {
+      "version": "6.3.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+      "dev": true,
+      "bin": {
+        "semver": "bin/semver.js"
+      }
+    },
     "node_modules/@electron/universal": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/@electron/universal/-/universal-1.2.1.tgz",
@@ -2089,21 +2099,6 @@
         "graceful-fs": "^4.1.6"
       }
     },
-    "node_modules/app-builder-lib/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/app-builder-lib/node_modules/universalify": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
@@ -2721,21 +2716,6 @@
       "integrity": "sha512-NM8/P9n3XjXhIZn1lLhkFaACTOURQXjWhV4BA/RnOv8xvgqtqpAX9IO4mRQxSx1Rlo4tqzeqb0sOlruaOy3dug==",
       "dev": true
     },
-    "node_modules/conf/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/core-util-is": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
@@ -3465,21 +3445,6 @@
         "graceful-fs": "^4.1.6"
       }
     },
-    "node_modules/electron-updater/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/electron-updater/node_modules/universalify": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
@@ -3914,22 +3879,6 @@
         "node": ">=10.0"
       }
     },
-    "node_modules/global-agent/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/globalthis": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/globalthis/-/globalthis-1.0.3.tgz",
@@ -5367,12 +5316,14 @@
       "dev": true
     },
     "node_modules/semver": {
-      "version": "6.3.1",
+      "version": "7.6.3",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.1.tgz",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.3.tgz",
-      "integrity": "sha512-BR7VvDCVHO+q2xBEWskxS6DJE1qRnb7DxzUrogb71CWoSficBxYsiAGd+Kl0mmq/MprG9yArRkyrQxTO6XjMzA==",
+      "integrity": "sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==",
-      "dev": true,
       "bin": {
         "semver": "bin/semver.js"
+      },
+      "engines": {
+        "node": ">=10"
       }
     },
     "node_modules/semver-compare": {
@@ -6388,21 +6339,6 @@
         "typescript": "*"
       }
     },
-    "node_modules/vue-tsc/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/w3c-keyname": {
       "version": "2.2.8",
       "resolved": "https://registry.npmjs.org/w3c-keyname/-/w3c-keyname-2.2.8.tgz",

package.json

@@ -78,6 +78,7 @@
     "vue-tsc": "^1.0.16"
   },
   "dependencies": {
-    "electron-log": "^5.0.1"
+    "electron-log": "^5.0.1",
+    "semver": "^7.6.3"
   }
 }

src/components/Editor.vue

@@ -58,35 +58,40 @@
 
             // load buffer content and create editor
             window.heynote.buffer.load().then((content) => {
-                let diskContent = content
+                try {
-                this.editor = new HeynoteEditor({
+                    let diskContent = content
-                    element: this.$refs.editor,
+                    this.editor = new HeynoteEditor({
-                    content: content,
+                        element: this.$refs.editor,
-                    theme: this.theme,
+                        content: content,
-                    saveFunction: (content) => {
+                        theme: this.theme,
-                        if (content === diskContent) {
+                        saveFunction: (content) => {
-                            return
+                            if (content === diskContent) {
-                        }
+                                return
-                        diskContent = content
+                            }
-                        window.heynote.buffer.save(content)
+                            diskContent = content
-                    },
+                            window.heynote.buffer.save(content)
-                    keymap: this.keymap,
+                        },
-                    emacsMetaKey: this.emacsMetaKey,
+                        keymap: this.keymap,
-                    showLineNumberGutter: this.showLineNumberGutter,
+                        emacsMetaKey: this.emacsMetaKey,
-                    showFoldGutter: this.showFoldGutter,
+                        showLineNumberGutter: this.showLineNumberGutter,
-                    bracketClosing: this.bracketClosing,
+                        showFoldGutter: this.showFoldGutter,
-                    fontFamily: this.fontFamily,
+                        bracketClosing: this.bracketClosing,
-                    fontSize: this.fontSize,
+                        fontFamily: this.fontFamily,
-                })
+                        fontSize: this.fontSize,
-                window._heynote_editor = this.editor
+                    })
-                window.document.addEventListener("currenciesLoaded", this.onCurrenciesLoaded)
+                    window._heynote_editor = this.editor
-                this.editor.setDefaultBlockLanguage(this.defaultBlockLanguage, this.defaultBlockLanguageAutoDetect)
+                    window.document.addEventListener("currenciesLoaded", this.onCurrenciesLoaded)
+                    this.editor.setDefaultBlockLanguage(this.defaultBlockLanguage, this.defaultBlockLanguageAutoDetect)
 
-                // set up buffer change listener
+                    // set up buffer change listener
-                window.heynote.buffer.onChangeCallback((event, content) => {
+                    window.heynote.buffer.onChangeCallback((event, content) => {
-                    diskContent = content
+                        diskContent = content
-                    this.editor.setContent(content)
+                        this.editor.setContent(content)
-                })
+                    })
+                } catch (e) {
+                    alert("Error! " + e.message)
+                    throw e
+                }
             })
             // set up window close handler that will save the buffer and quit
             window.heynote.onWindowClose(() => {

src/editor/editor.js

@@ -117,9 +117,9 @@ export class HeynoteEditor {
             state: state,
             parent: element,
         })
-
+        
         this.setContent(content)
-
+        
         if (focus) {
             this.view.focus()
         }
@@ -136,9 +136,14 @@ export class HeynoteEditor {
     }
 
     setContent(content) {
-        return new Promise((resolve) => {
+        try {
             this.note = NoteFormat.load(content)
-            
+            this.setReadOnly(false)
+        } catch (e) {
+            this.setReadOnly(true)
+            throw e
+        }
+        return new Promise((resolve) => {
             // set buffer content
             this.view.dispatch({
                 changes: {

src/editor/note-format.js

@@ -1,7 +1,13 @@
+import { major } from "semver";
+
+
+const FORMAT_VERSION = "1.0.0"
+
+
 export class NoteFormat {
     constructor() {
         this.content = '';
-        this.metadata = {};
+        this.metadata = {formatVersion: "0.0.0"};
     }
 
     static load(data) {
@@ -16,12 +22,16 @@ export class NoteFormat {
             }
             note.content = data.slice(firstSeparator)
         }
+        
+        if (major(note.metadata.formatVersion) > major(FORMAT_VERSION)) {
+            throw new Error(`Unsupported Heynote format version: ${note.metadata.formatVersion}. You probably need to update Heynote.`)
+        }
 
         return note
     }
 
     serialize() {
-        this.metadata.formatVersion = "1.0"
+        this.metadata.formatVersion = FORMAT_VERSION
         return JSON.stringify(this.metadata) + this.content
     }