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added watchdog for CKEditor to recover from crashes, fixes #3227

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zadam
2022-12-15 21:45:47 +01:00
parent 648dd73fa1
commit b202b43bf5
3 changed files with 62 additions and 26 deletions
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84
src/public/app/widgets/type_widgets/editable_text.js
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@@ -9,6 +9,7 @@ import noteCreateService from "../../services/note_create.js";
import AbstractTextTypeWidget from "./abstract_text_type_widget.js";
import link from "../../services/link.js";
import appContext from "../../components/app_context.js";
import dialogService from "../../services/dialog.js";
const ENABLE_INSPECTOR = false;
@@ -118,7 +119,42 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
// display of $widget in both branches.
this.$widget.show();
this.textEditor = await BalloonEditor.create(this.$editor[0], {
this.watchdog = new EditorWatchdog(BalloonEditor, {
// An average number of milliseconds between the last editor errors (defaults to 5000).
// When the period of time between errors is lower than that and the crashNumberLimit
// is also reached, the watchdog changes its state to crashedPermanently and it stops
// restarting the editor. This prevents an infinite restart loop.
minimumNonErrorTimePeriod: 5000,
// A threshold specifying the number of errors (defaults to 3).
// After this limit is reached and the time between last errors
// is shorter than minimumNonErrorTimePeriod, the watchdog changes
// its state to crashedPermanently and it stops restarting the editor.
// This prevents an infinite restart loop.
crashNumberLimit: 3,
// A minimum number of milliseconds between saving the editor data internally (defaults to 5000).
// Note that for large documents this might impact the editor performance.
saveInterval: 5000
});
this.watchdog.on('stateChange', () => {
const currentState = this.watchdog.state;
if (!['crashed', 'crashedPermanently'].includes(currentState)) {
return;
}
console.log(`CKEditor changed to ${currentState}`);
this.watchdog.crashes.forEach(crashInfo => console.log(crashInfo));
if (currentState === 'crashedPermanently') {
dialogService.info(`Editing component keeps crashing. Please try restarting Trilium. If problem persists, consider creating a bug report.`);
this.watchdog.editor.enableReadOnlyMode('crashed-editor');
}
});
await this.watchdog.create(this.$editor[0], {
placeholder: "Type the content of your note here ...",
mention: mentionSetup,
codeBlock: {
@@ -133,11 +169,11 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
}
});
this.textEditor.model.document.on('change:data', () => this.spacedUpdate.scheduleUpdate());
this.watchdog.editor.model.document.on('change:data', () => this.spacedUpdate.scheduleUpdate());
if (glob.isDev && ENABLE_INSPECTOR) {
await import(/* webpackIgnore: true */'../../../libraries/ckeditor/inspector');
CKEditorInspector.attach(this.textEditor);
CKEditorInspector.attach(this.watchdog.editor);
}
}
@@ -145,12 +181,12 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
const noteComplement = await froca.getNoteComplement(note.noteId);
await this.spacedUpdate.allowUpdateWithoutChange(() => {
this.textEditor.setData(noteComplement.content || "");
this.watchdog.editor.setData(noteComplement.content || "");
});
}
getContent() {
const content = this.textEditor.getData();
const content = this.watchdog.editor.getData();
// if content is only tags/whitespace (typically <p>&nbsp;</p>), then just make it empty
// this is important when setting new note to code
@@ -164,13 +200,13 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
show() {}
getEditor() {
return this.textEditor;
return this.watchdog?.editor;
}
cleanup() {
if (this.textEditor) {
if (this.watchdog?.editor) {
this.spacedUpdate.allowUpdateWithoutChange(() => {
this.textEditor.setData('');
this.watchdog.editor.setData('');
});
}
}
@@ -185,8 +221,8 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
async addLinkToEditor(linkHref, linkTitle) {
await this.initialized;
this.textEditor.model.change(writer => {
const insertPosition = this.textEditor.model.document.selection.getFirstPosition();
this.watchdog.editor.model.change(writer => {
const insertPosition = this.watchdog.editor.model.document.selection.getFirstPosition();
writer.insertText(linkTitle, {linkHref: linkHref}, insertPosition);
});
}
@@ -194,8 +230,8 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
async addTextToEditor(text) {
await this.initialized;
this.textEditor.model.change(writer => {
const insertPosition = this.textEditor.model.document.selection.getLastPosition();
this.watchdog.editor.model.change(writer => {
const insertPosition = this.watchdog.editor.model.document.selection.getLastPosition();
writer.insertText(text, insertPosition);
});
}
@@ -213,21 +249,21 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
if (linkTitle) {
if (this.hasSelection()) {
this.textEditor.execute('link', '#' + notePath);
this.watchdog.editor.execute('link', '#' + notePath);
} else {
await this.addLinkToEditor('#' + notePath, linkTitle);
}
}
else {
this.textEditor.execute('referenceLink', { notePath: notePath });
this.watchdog.editor.execute('referenceLink', { notePath: notePath });
}
this.textEditor.editing.view.focus();
this.watchdog.editor.editing.view.focus();
}
// returns true if user selected some text, false if there's no selection
hasSelection() {
const model = this.textEditor.model;
const model = this.watchdog.editor.model;
const selection = model.document.selection;
return !selection.isCollapsed;
@@ -241,10 +277,10 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
await this.initialized;
if (callback) {
callback(this.textEditor);
callback(this.watchdog.editor);
}
resolve(this.textEditor);
resolve(this.watchdog.editor);
}
addLinkToTextCommand() {
@@ -254,7 +290,7 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
}
getSelectedText() {
const range = this.textEditor.model.document.selection.getFirstRange();
const range = this.watchdog.editor.model.document.selection.getFirstRange();
let text = '';
for (const item of range.getItems()) {
@@ -269,7 +305,7 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
async followLinkUnderCursorCommand() {
await this.initialized;
const selection = this.textEditor.model.document.selection;
const selection = this.watchdog.editor.model.document.selection;
const selectedElement = selection.getSelectedElement();
if (selectedElement?.name === 'reference') {
@@ -301,10 +337,10 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
}
addIncludeNote(noteId, boxSize) {
this.textEditor.model.change( writer => {
this.watchdog.editor.model.change( writer => {
// Insert <includeNote>*</includeNote> at the current selection position
// in a way that will result in creating a valid model structure
this.textEditor.model.insertContent(writer.createElement('includeNote', {
this.watchdog.editor.model.insertContent(writer.createElement('includeNote', {
noteId: noteId,
boxSize: boxSize
}));
@@ -314,13 +350,13 @@ export default class EditableTextTypeWidget extends AbstractTextTypeWidget {
async addImage(noteId) {
const note = await froca.getNote(noteId);
this.textEditor.model.change( writer => {
this.watchdog.editor.model.change( writer => {
const sanitizedTitle = note.title.replace(/[^a-z0-9-.]/gi, "");
const src = `api/images/${note.noteId}/${sanitizedTitle}`;
const imageElement = writer.createElement( 'image', { 'src': src } );
this.textEditor.model.insertContent(imageElement, this.textEditor.model.document.selection);
this.watchdog.editor.model.insertContent(imageElement, this.watchdog.editor.model.document.selection);
} );
}